Chemical & Engineering
EttIM NOVEMBER 10, 1969
ChemExpo '69 , £&#&
You've got it made with Rexene Polymers. If you've got the need, we've got the polymer, The perfect resin for just about any product you make or want to make. From a line so complete, we don't have to lead you any way but the right way for you. Rexene makes low-density polyethylene. Polypropylene homopolymers and copolymers. ABS, polystyrene and oriented polystyrene sheet. Make it your business to ask Rexene. Because we know ours. Rexene Polymers Company, Box37,Paramus, New Jersey 07652, (201) 262-6500. mm POLYMERS COMPANY
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Polyethylene and polypropylene are produced under the Joint Venture with El Paso Products Co., Division
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Add hard copy printout to your Wang electronic calculator
Column Printer
Now you can have both instantaneous display and a permanent record. SALES/SERVICE
The new Model 301 Column Printer plugs into any Wang 200/300 series electronic calculator to give you a convenient and low cost means of validating input and permanently recording output.
Alabama
(205) 881-5360 Arizona
(602) 274-2110 Arkansas
(501) 666-7115 California
The 301 utilizes a highly reliable computer line-printer concept to produce clear and accurate numerical records at 2 lines/second on conventional roll paper. The unit retains the floating decimal feature of the Wang calculator, but positions it in the center of the printout with a possible total of 9 digits to the left and 10 digits to the right. An automatic or manual mode switch gives you a choice of printout for all or only specific calculations and input values.
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The model 301 printer is a fitting companion for your Wang calculator. If you're interested in bringing them together, call your nearest Wang office.
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Dept. 1 1 A V , 836 N o r t h St., T e w k s b u r y , Massachusetts 01876 • T e l . 617 851-7311 Circle No. 3 on Readers' Service Card circle No. 64 on Readers' Service Card NOV. 10, 1969 C & E N
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Granular, free-flowing product from fine powders.. with the Fitzpatrick Chilsonator and Granulator Hydraulically pressurized grooved or pocketed rolls provide controlled densification of fine, aerated powders into corrugated sheets or briquettes. Sheets may then be granulated to any desired mesh size in the Fitzpatrick Granulator. Basic units available separately or incorporated into complete system with screening and continuous recycle of oversize and undersize material in a wide range of production capacities.
• Produces free-flowing granules
Controls dispersion and solubility
• Eliminates dusty product
Reduces packaging and shipping
• Controls density and particle size
costs
• Controls product hardness
• Controlled roll temperature • Pressure feed system • Central control panel • Operational flexibility • Low power requirements • Stainless Steel contact parts
Request Bulletin No. 852 Test facilities available
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U.S.I. CHEMICAL NEWS October-November-December
A Series of Advertisements for the Chemical Process Industries
Government Regulations For Ethyl Alcohol Described In Booklet A new, updated edition of a U.S.I.® booklet is now available which describes government regulations pertaining to the purchase and use of ethyl alcohol. Although no radical changes in required procedures have been instituted, there are several points which alcohol users should be aware of. For example, directors of I.R. S. Service Centers now issue the special tax stamps to non-beverage users of pure
1969
New Ethyl Alcohol Plants Being Built By U.S.I. Expansion to Meet Burgeoning Demand in Cosmetics and Chemical Process Industries Two new U . S . I , ethyl alcohol plants are on the drawing boards. The first will be located in Tuscola, Illinois, and will be on stream by September 1971, with full production by December of that year. Using a patented direct hydration process developed by U.S.I, research, the plant
located in Houston, Texas. Capacity will be 33-35 million gallons a year. The plant will be on stream in 1974. The combined 100-million-gallon capacity is expected to maintain the U.S.I, position as the nation's leading marketer of industrial ethyl alcohol. Total domestic production of
New booklet for ethyl alcohol users.
Bigger crop yields require selective herbicides, many of which are made using ethyl alcohol.
alcohol which makes drawback claims possible. Previously these were issued by District directors. The new edition gives the addresses and phone numbers of I.R.S. Service Centers throughout the country. Most readers of the new edition are likely to notice one change immediately. The name of the Alcohol and Tobacco Tax Division (ATTD) has been changed to the Alcohol, Tobacco and Firearms Division (ATFD). To receive a free copy of the booklet, write to U.S.I., specifying No. 2500.
will turn out 66 million gallons of alcohol a year. The direct hydration process has undergone successful pilot-plant evaluation for some time. It will assure continued supply of the high quality Punctilious Alcohol for which U.S.I. is known. Plans call for phasing out the company's existing Tuscola facilities which employ the ethyl sulphate process to produce 57 million gallons of alcohol a year. The second new plant, also to use the direct hydration process, will be
industrial ethyl alcohol is approximately 350 million gallons a year (fiscal year 1968 figures). Cosmetics and toiletries are expected to consume a large part of the expanded capacity during the coming decade. Growing at the rate of about 7% a year, these products have pretty much left the luxury category and have become virtually as necessary to most people as the clothes they wear. Ethyl alcohol is also used as an intermediate in the synthesis of a number of other chemicals which are exhibiting healthy growth. Among (continued on next page)
October-November-December
U.S.I. Sulfuric Plant Capacity
Acid Increases
U. S. I. is expanding the capacity of its sulfuric acid plant near De Soto, Kansas, to 300 tons a day. Costing $180,000, the project will raise production about 40% over the present 220 tons. This is the third expansion since the plant began operations in 1950 with a capacity of 120 tons a day. The existing plant is being modified with a blower turbine, exhaust condenser and wooden cooling tower. By increasing conversion efficiency, plant
U.S1 CHEMICAL NEWS
E t h y l A l C O h o l (continued) these are amines, used in detergents and cosmetics; gly col-ethers, used in paints and coatings; and acrylates, used in plastics and paints. Also important are selective herbicides, many of which are synthesized using ethyl alcohol. Ever-increasing crop yields expected per acre have created a strong demand for these weed killers. Fungicides to protect stored grains are also important alcohol derivatives. U.S.I, has recently published a new edition of the Ethyl Alcohol Handbook. This 138-page hardbound
Sulfuric acid plant near De Soto, Kansas.
effluent conditions will be improved and additional oleum capacity will be provided. T h e expanded plant is scheduled to be on stream in October of this year. There has been a gradual but steady increase in sulfuric acid demand by industrial users. It is used widely in the manufacture of chemicals, textiles, leather, pigments, steel and metal products, dyes, petroleum, explosives and countless other products. For detailed information on the grades of sulfuric acid available, write to U.S.I., specifying No. 2501.
1969
TECHNICAL DEVELOPMENTS New textile colors are claimed by manufacturer to display exceptional fastness to solvent rubbing or spot dry cleaning. Textile printing with the colors is done on conventional roller machines, after which the goods are heat-treated to develop fastness. No. 2502 Pressure-sensitive chemical labels in multiple sheets allow thousands of different name combinations to be formed. Labels are said to be highly resistant to chemicals, grease, oil and water, and make a permanent bond to any smooth surface. Free samples available. No. 2503 Portable de-ionizer provides purified water at a rate of up to 30 gallons per hour, according to the manufacturer. Battery operated, the unit can be placed on wall
Adding fresh resins to de-ionizer cartridge.
publication contains essential information for users of industrial alcohol. It is free to the trade and a copy may be obtained by addressing requests to U.S.I, on a company letterhead.
Spray-On Body M a k e - U p A Growing Aerosol M a r k e t Modern body-revealing fashions have created a market for blemishconcealing make-up. Several aerosol manufacturers have successfully introduced spray-on products that do the kind of artful cover-up job the ladies are seeking.
or lab bench. Cartridge contains mixedbed ion-exchange resins which can be replaced easily when exhausted, as indicated by conductivity meter. No. 2504 Electrodes for titration and pH measurement are described in 12-page catalog. Glass, reference, combination and metallic types are included, as well as accessory equipment. No. 2505 For more information on the U.S.I, products or other items in this issue, write: U.S.I., 99 Park Ave., New York, N. Y. 10016. Please use the identifying number when writing.
U.S.I. Chemicals ŒÊt National Distillers & Chemical Corp.
CONTROMATICS CORP. 4737 200 W. Main St., Rockville, Conn. 06066 CONVAL CORP. 3407, 3409 LUNKENHEIMER CO. DIV. P.O. Box 14360, Cincinnati, Ohio 45214; GPL: valves, actuators, and lubricating devices
COOPER ALLOY CO., YANTON PUMP & EQUIPMENT CORP. DIV.
1229
201 Sweetland Ave., Hillside, N.J. 07205; GPL: plastic pumps, valves, filters, and strainers COPELAND PROCESS CORP., subsid. 1812 CHICAGO BRIDGE & IRON CO. 1200 Harger Rd., Oak Brook N. Bldg., Suite 400, Oak Brook, III. 60521; GPL: waste incineration and fluid-bed processing systems and equipment CORNELL MACHINE CO., INC. 3514 45 Brown Ave., Springfield, N.J. 07081; GPL: deaerators/homogenizers CORNING GLASS WORKS 1422 Corning, N.Y. 14830; GPL: laboratory glassware, water-purification apparatus, heatersstirrers, pH instruments, and electrodes J. C. CORRIGAN CO. 4825 41 Norwood St., Boston, Mass. 02122 CP DIV. see St. Regis Paper Co. 4835 CRANE CO. 2218 300 Park Ave., New York, N.Y. 10022; GPL: pumps, valves, and meters CRANE PACKING CO. 3808 6400 Oakton St., Morton Grove, III. 60053; GPL: mechanical shaft seals and packings, TFE products, and thread sealers CRAWFORD FITTING CO. 3526, 3528 29500 Solon Rd., Solon, Ohio 44139; GPL: tube fittings CROLL-REYNOLDS CO., INC. 3811 751 Central Ave., Westfield, N.J. 07091; GPL: steam jet ejectors, steam jet refrigeration, condensing systems, and jet Venturi scrubbers CROLL-REYNOLDS ENGINEERING CO., 3811 INC., 1122 Main St., Stamford, Conn. 06902; GPL: filters and expansion joints CUSTOM DRYERS, INC., 5233 LOUISVILLE DRYING MACH. DIV. 232 E. Main St., Louisville, Ky. 40202; GPL: rotary dryers and coolers D G. W. DAHL CO., INC. 5234, 5236 86 Tupelo St., Bristol, R.I. 02809; GPL: valves and related control components DAHLGREN MFG. CO. 3085 726 Regal Row, Dallas, Tex. 75247 DANIEL INDUSTRIES, INC. 4622 9720 Katy Rd. (P.O. Box 19097), Houston, Tex. 77024; GPL: flow-measurement products DAVENPORT MACHINE & FOUNDRY 3812 CO. DIV. see Middle States Corp. DAVIS PRODUCTS, SCOTT AVIATION 4623 47 Halleck St., Newark, N.J. 07104 DAY CO. 1521 Minneapolis, Minn. J. H. DAY CO. 1110 4932 Beech St., Cincinnati, Ohio 45212 DEAN BROTHERS PUMPS, INC. 5225, 5227 323 W. 10th St., Indianapolis, Ind. 46202; GPL: industrial process pumps DEAN PRODUCTS, INC. 1234 985 Dean St., Brooklyn, N.Y. 11238; GPL: panel coil heat exchangers DEBOTHEZAT FANS DIV. 2344, 2444, 2544 see Ametek, Inc. DE DIETRICH & CO. 3033 P.O. Box 345, Union, N.J. 07083; GPL: glass-lined process equipment DEGREMONT-COTTRELL, INC., subsid. 1134 RESEARCH-COTTRELL, INC. P.O. Box 750, Bound Brook, N.J. 08805; GPL: water and wastes treatment DE LAVAL SEPARATOR CO. 1528, 1534 350 Dutchess Tnpk., Poughkeepsie, N.Y. 12602; GPL: centrifuges, filters, heat exchangers, and spray dryers DELAVAN MFG. CO. 4631 811 4th St., West Des Moines, Iowa 50265; GPL: ultrasonic controls DELTA P, INC. 3723 subsid. BURGESS INDUSTRIES 8101 Carpenter Frwy., Dallas, Tex. 75247; GPL: separators, filters, silencers, and pulsation snubber equipment DELTA SCIENTIFIC CORP. 3098 120 E. Hoffman Ave., Lindenhurst, N.Y. 11757; GPL: instruments and automatic analyzers for water and waste control DERRICK MFG. CORP. 3724 590 Duke Rd., Buffalo, N.Y. 14225
J. P. DEVINE MFG. CO. 1821 49th St. and AVRR, Pittsburgh, Pa. 15201; GPL: drying equipment, vacuum and fluid bed DEZURIK CORP. 3415, 3417, 3419 Sartell, Minn. 56377; GPL: valves DICALITE DIV. see GREFCO, Inc. 1214 DIETERICH STANDARD CORP., 3050, ELLISON INSTRUMENT DIV. 3051 P.O. Box 96, New Buffalo, Mich. 49117; GPL: flow meters DISTILLATION ENGINEERING CO. 3242 105 Dorsa Ave., Livingston, N J . 07039; GPL: distillation equipment JOHN L. DORE CO. 5119, 5121 P.O. Box 36617, Houston, Tex. 77036; GPL: plastic-lined pipe, fittings, pumps, valves, hose, and expansion joints DORR-OLIVER, INC. 2423 77 Havermeyer La., Stamford, Conn.; GPL: pumps, filters, centrifuges, and thickeners DOVER CORP. GROEN DIV. 4830 1900 Pratt Blvd., Elk Grove Village, III. 60007; GPL: stainless steel food and chemical processing equipment NORRIS DIV. 4526 P.O. Box 1739, Tulsa, Okla. 74101; GPL: valves and fittings OPW DIV. 4542 2735 Colerain Ave., Cincinnati, Ohio 45225; GPL: couplings, liquid loaders, ball valves, sight flow indicators, and swivel joints DOW CHEMICAL CO. CONSTRUCTION MATERIALS DEPT. 1119 2020 Abbott Rd. Ctr., Midland, Mich. 48640 FUNCTIONAL PRODUCTS 5131 & SYSTEMS DEPT. 2020 Abbott Rd. Ctr., Midland, Mich. 48640; GPL: chemicals, plastics, metals, agricultural products, piping products, packaging products, and construction materials DREXELBROOK ENGINEERING CO. 4012 600 Brook Rd., Glenside, Pa. 19038; GPL: level and composition instrumentation DUCON CO., INC. 3116 147 E. 2nd St., Mineola, N.Y. 11501; GPL: air pollution control equipment and pneumatic conveying systems DUNCAN MACHINE CO., INC. 3076 387 105th Terrace N.E., St. Petersburg, Fla. 33702; GPL: dispersion agitators E. I. DU PONT DE NEMOURS & CO., INC., EXPLOSIVES DEPT. 4007, 4009 Wilmington, Del. 19898 HEAT TRANSFER DIV. 3133, 3135 Wilmington, Del. 19898; GPL: heat exchangers of Teflon fluorocarbon resins PERMASEP PRODUCTS 3835 P.O. Box 525, Wilmington, Del. 19899; GPL: reverse osmosis permeators for liquid separations, purifications, concentrations, and gas permeators for separating hydrogen or helium from mixed gas streams PLASTICS DEPT., 4003, 4005 FLUOROCARBONS DIV. 10th & Market Sts., Wilmington, Del. 19898; GPL: polytetrafluoroethylene, fluorinated ethylene propylene TEXTILE FIBERS DEPT. 3067, 3069 Wilmington, Del. 19898; GPL: Teflon TFEfluorocarbon fiber See ad in this issue DURALAB EQUIPMENT CORP. 2739 303 Stanley Ave., Brooklyn, N.Y. 11207 DURAMETALLIC CORP. 4521 2104 Factory St., Kalamazoo, Mich. 49001; GPL: mechanical seals and metallic packings DURIRON CO., INC., 2424, 2434 CENTRAL DIV. 425 N. Findlay St., Dayton, Ohio 45401; GPL: pumps, valves, filters, high-pressure equipment, sinks, and pipe DUSTEX DIV. see American 5109, 5111 Precision Industries, Inc. DWYER INSTRUMENTS, INC. 4954 P.O. Box 373, Michigan City, Ind. 46360; GPL: instruments, controls, gages, and flowmeters
T. A. EDISON INDUSTRIES, 3418, 3420 INSTRUMENT DIV. 61 Alden St., West Orange, N.J. 07051; GPL: temperature and pressure instruments and detectors and fire detection systems EDWARDS ENGINEERING CORP. 4811 101 Alexander Ave., Pompton Plains, N.J. 07444 EHRSAM CO. 2210 303 W. 3rd St., Abilene, Kan. 67410 EIMCO CORP. 1615, 1616 537 W. 6th St., Salt Lake City, Utah 84110; GPL: continuous processing equipment, vacuum filters, pumps, water treatment, and water pollution control equipment ELECTRIC THERMOMETERS, INC. 3070 10 Glover Ave., Norwalk, Conn. 06852; GPL: temperature sensors ELECTRO-MECHANICAL 4426 INSTRUMENTS CO. 8th and Chestnut Sts., Perkasie, Pa. 18944 ELECTRO MECHANICS, INC., 3078 BRANFORD VIBRATOR CO., DIV. 160 Whiting St., New Britain, Conn. 06050; GPL: vibration equipment and impactors
Dryers Unitech division of Union Tank Car Co. has added a fluid-bed processor to its systems of evaporators and crystallizers. Unitech recommends the dryer for multiunit operations, such as desolventizing and calcining. Bowen Engineering now offers both fluid-bed and pneumatic conveying types of dryers, in addition to its existing line of spray dryers. Bowen says that it can now furnish air-suspended drying equipment for liquid and granular materials to meet any desired final moisture content. A 300-ft 3 tubular vacuum dryer, shown below, is available from Patterson-Kelley Co. The maker says that a normal drying cycle of 36 hr can be compressed to 14 hr with the tubular vacuum dryer. The design provides heat transfer tubes inside the unit to speed heating and cooling by exposing the material to an increased surface area. Luwa Corp. is introducing a thinfilm dryer to augment its line of thinfilm process systems. Under license from Lurgi, of Frankfurt, West Germany, Koch Engineering Co. offers complete pilot plant service, engineering, and equipment for Lurgi nozzle and centrifugal designs of spray drying systems.
E EASTERN INDUSTRIES DIV. see LFE Corp.
5137
See ad in this issue
EBERLY DYNAMICS INC., 4635 PROTECTIVE PLASTICS CO. DIV. 3653 E. 78th St., Cleveland, Ohio 44105; GPL: glass-fiber tanks, ducts, and hoops ECLIPSE BOILER DIV. 3109, 3111 P.O. Box 4186, Chattanooga, Tenn. 37405; GPL: high-temperature heaters and vaporizers, steam boilers, and liquid-tube heaters ECO PUMP CORP. 3114 2385 S. Clinton Ave., South Plainfield, N.J. 07080 NOV. 10, 1969 C&EN
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COMPANY DIRECTORY ELECTRO-SENSORS, INC. 4815 3726 Oregon Ave. S., Minneapolis, Minn. 55426; GPL: industrial controls and instrumentation ELLIOTT DIV. see Carrier Corp. 4943 EMERSON ELECTRIC CO., 3246 BROOKS INSTRUMENT DIV. 407 W. Vine St., Hatfield, Pa. 19440; GPL: flow measurement and control equipment EDWIN L. EMERSON ELECTRIC CO., 1816 WIEGAND DIV. 7500 Thomas Blvd., Pittsburgh, Pa. 15208 EMERSON PLASTICS CORP. 4011 1383 Seabury Ave., Bronx, N.Y. 10641 A. H. EMERY CO., subsid. 4908, 4910 MACRODYNE-CHATILLON CO. 70 Pine St., New Canaan, Conn. 06840; GPL: hydraulic load cells for process weighing and control systems ENGELHARD MINERALS & CHEMICALS 1533 CORP. 113 Astor St., Newark, N.J. 07114; GPL: precious metals, sun lamps, and fused quartz and silica ENGELHARD INDUSTRIES DIV. 113 Astor St., Newark, N.J. 07114 AMERSIL, INC. 685 Ramsey Ave., Hillside, N.J. 07205 BAKER PLATINUM DEPT. 700 Blair Rd., Carteret, N.J. 07008 HANOVIA LAMP DIV. 100 Chestnut St., Newark, N.J. 07105 See ad in this issue ENTOLETER, INC., subsid. AMERICAN 2529 MFG. CO. 251 Welton St., Hamden, Conn. 06511; GPL: impact mills, granulators, heating systems, and wet scrubbers ENVIRONMENTAL RESEARCH CORP. 3519 3725 N. Dunlap St., St. Paul, Minn. 55112 ENVIRONMENTAL SCIENCE & 1612, 2640 TECHNOLOGY see American Chemical Society ERIEZ MAGNETICS 1124 Asbury Rd. at Airport, Erie, Pa. 16505 ERTEL ENGINEERING CO. 2229 8-14 N. Front St., Kingston, N.Y. 12401; GPL: filters, filter media, pumps mixers, tanks, and coding machines
Mixers and blenders Patterson-Kelley has a convertible twin-shell blender that allows a processor to adapt different types of internal agitating or liquid-feed devices to a solids-solids blender. The internal bar adaptations include a minimum-attrition liquid dispersion bar, as shown at the right, for liquid addition to very friable products that cannot tolerate breakdown. Chemetron has a mixer that, having characteristics of a centrifugal pump built into it, can repeat the mixing of the same batch of material many times. Recycling or recirculation can be accomplished regardless of the net flow of material through the system, provided material flows continuously from a supply tank. Another major feature is built-in, precise control over the intensity of mixing or beating action. A vibro-energy multichamber grinding mill by Sweco is designed for testing and sampling as many as five different materials simultaneously. There are five separate testing chambers with a working capacity of about one pint
ETHYLENE CORP. 3326 755 Central Ave., Murray Hill, N J . 07974; GPL: molded Teflon pipe couplings and Teflon-lined pipe and fittings, dip tubes, and spargers EVERLASTING VALVE CO. 4109 P.O. Box 422, Cranford, N J . 07016 EVER-TITE COUPLING CO., INC. 4833 254 W. 54th St., New York, N.Y. 10019; GPL: Ever-Tite cam locking couplings EXACT WEIGHT SCALE CO. 2209 1005 W. 3rd Ave., Columbus, Ohio 43212
F FAIRBANKS MORSE WEIGHING 3735 SYSTEMS DIV. see colt Industries FAIRCHILD HILLER CORP., 3833 INDUSTRIAL PRODUCTS DIV. 1501 Fairchild Dr., Winston-Salem, N.C. 27105; GPL: pneumatic regulators, relays, controls, and variable-speed drives FALCON MFG. DIV. see First 4020, 4022 Machinery Corp. FALLS INDUSTRIES DIV. 2129, 2133, 2139 see Carborundum Co. FANSTEEL INC. 2223 21735 S. Western Ave., Torrance, Calif. 90501; GPL: acidproof equipment FARMHAND, INC., 4933 INDUSTRIAL PRODUCTS DIV. 121 Washington Ave. S., Hopkins, Minn. 55343 FARRIS ENGINEERING, 3062, 3064 A TELEDYNE CO. 400 Commercial Ave., Palisades Park, N J . 07650; GPL: safety relief valves and hydraulic-pneumatic valve testing equipment FEN CORP., INC. 2829 28914 Lakeland Blvd., Wickliffe, Ohio 44092; GPL: crucible draw furnaces, laboratory pulverizers, and controlled torque wrenches FENWAL, INC. DIV. 4639 see Walter Kidde & Co., Inc. FIKE METAL PRODUCTS CORP. 4913 704 S. 10th St., Blue Springs, Mo. 64015 FILTERITE CORP. 4208 Greenspring Dr., Timonium, Md. 21093; GPL: filters—disposable fiber wound
each, and they are available either in stainless steel or with a polyurethane lining. Mixing Equipment has a new series of Lightnin' mixers with differences in design, construction, performance, and sizes. Fine powders can be processed into compacted sheets in Fitzpatrick's Chilsonator by the use of mechanical pressure exerted on two compacting rolls. The sheets can then be granulated to various mesh sizes.
FIRST MACHINERY CORP., 4020, 4022 FALCON MFG. DIV. 211 10th St., Brooklyn, N.Y. 11215; GPL: mixers, blenders, dryers, reactors, and stainless tanks DAVE FISCHBEIN CO. 3318 2700—30th Ave. S., Minneapolis, Minn. 55406; GPL: bag-closing equipment FISCHER & PORTER CO. 2510 County Line Rd., Warminster, Pa. 18974; GPL: process measurement and control instrumentation FISHER CONTROLS CO. 3434, 3436, 3438 P.O. Box 190, Marshalltown, Iowa 50158; GPL: automatic control valves, liquid-level controllers, and pressure regulators FITZPATRICK CO. 1313 832 Industrial Dr., Elmhurst, III., 60126; GPL: process equipment See ad in this issue
FLEX-KLEEN CORP., subsid. 5214, 5216 RESEARCH-COTTRELL, INC. 407 S. Dearborn St., Chicago, III. 60605; GPL: custom engineered dust collectors FLOTEC, INC. 4046 14510 S. Carmenita Rd., Norwalk, Calif. 90650; GPL: pumps and fluid-handling devices FLO-TRONICS, INC. 4923 1820 Xenium La., Minneapolis, Minn. 55427; GPL: air-conveying systems and components FLOW-THRU PRODUCTS CORP., 4982 FLOW-THRU PUMP CO. DIV. P.O. Box 187, Boonton, N J . 07005 FLUID ENERGY PROCESSING & 3817 EOUIPMENT CO. 153 Pennsylvania Ave., Hatfield, Pa. 19446; GPL: jet grinding mills and flash dehydrators FLUIDIZER, INC. 4933 6310 Industrial Dr., Hopkins, Minn. 55343; GPL: custom engineered bulk handling systems and components FLUOROCARBON CO. 3032 1754 S. Clementine St., Anaheim, Calif. 92803; GPL: Teflon fluid-handling system FLY ASH ARRESTOR 4931 (Air Systems Div.) see Zurn Industries, Inc. FMC CORP. JOHN BEAN DIV. 4632, 4634, 4636 1305 S. Cedar St., Lansing, Mich. 48909 LINK-BELT DIV. 1121 Prudential Plaza, Chicago, III. 60601 PEERLESS PUMP DIV. 3743 2005 Northwestern Ave., Indianapolis, Ind. 46208; GPL: pumps SYNTRON DIV. 1625 Homer City, Pa. 15748; GPL: bulk materials handling vibratory equipment WECO/CHIKSAN DIV. 4632, 4634, 4636 10516 Old Katy Rd., P.O. Box 19465, Houston, Tex. 77024; GPL: marine loading arms, swivel joints, butterfly valves, line blind valves, and wing unions FOOD INGREDIENTS & EQUIPMENT; 3709 FOOD PROCESSING see Putman Publishing Co. FOSTER PUMP WORKS, INC. 5122 70 Airport Rd., Westerly, R.I. 02891 FOXBORO CO. 2433 Neponset Ave., Foxboro, Mass. 02035 FRAM CORP., INDUSTRIAL DIV. 4129 P.O. Box 50096, Tulsa, Okla. 74150; GPL: filters FRIGITEMP HOSPITAL & 2840 LABORATORY EQUIPMENT CORP. 329-361 Herzl St., Brooklyn, N.Y. 11212 HEINRICH FRINGS, c/o BEAMAN CO. 4950 4822 Sunnyside Dr., Hillside, III. 60162; GLP: gas-liquid contacting devices, mechanical foam breakers, process control instruments FRUEHAUF CORP. 4210, 4212 10940 Harper Ave. (P.O. Box 238), Detroit, Mich. 48232 FULLER CO., subsid. GATC 2509, 2610, 2614 124 Bridge St., Catasauqua, Pa. 18032 FULTON SYLPHON DIV. see 4431 Robertshaw Controls Co. FWI, INC. 4443 Box 3249, Tulsa, Okla., 74101; GPL: pumps, valves, desanding equipment, and filters
G
GAF CORP., 3432 INDUSTRIAL PRODUCTS DIV. 140 W. 51st St. New York, N.Y. 10020; GPL: filter media, bags, cartridges, and pressure vessels See ad in this issue
18A C&EN NOV. 10, 1969
Allen-Bradley's Sonic P-250... the end of shake/rattle/roll in production sifting. High precision sifting with a single pass. Sonic sifting is a revolutionary new principle in the separation of dry particles. An oscillating column of air moves the particles, not the screen. Result: dramatic reduction of blinding problems, the end of costly recycling and rejected production. Precision single pass separations, automatically controlled. A-B's new P-250 gives you precise control of particle size, assurance of repeatability, and confidence that you're getting the most out of thruput. In short, it eliminates a traditional trouble spot in your process control.
Our Sonic Sifter must out-perform your present shake/ rattle/roll equipment before you buy. Specialists in Allen-Bradley's customer service laboratory will sample sift your material. If you wish you can witness sample runs. We figure positive proof of performance is more convincing than promises. Contact Rod Salzwedel, Allen-Bradley Co., 1201 S. Second Street, Milwaukee, Wisconsin 53204,
AB ALLEN-BRADLEY
) Allen-Bradley Co. 1969
See the P-250 at Chem Expo—Booth 3 0 7 9 - 8 3
Circle No. 16 on Readers' Service Card
GALIGHER CO. 3715 440 W. 8th St., Salt Lake City, Utah 84110; GPL: pumps, flotation machines, samplers, valves, agitator/conditioners, belt feeders, and rubber and plastic products GARLOCK, INC. 2617 Main St., Palmyra, N.Y. 14522; GPL: packing, gaskets, seals, and expansion joints VALVE PRODUCTS DIV. 2615 P.O. Box 294, Fairview Village, Pa. 19409; GPL: butterfly valves GAST MFG. CORP. 3807 2300 Hwy. M 139 (P.O. Box 117), Benton Harbor, Mich. 49022 GEA AIREXCHANGERS, INC. 4960 46 Worthington Dr., St. Louis, Mo. 63042; GPL: heat exchangers GENERAL AMERICAN 2509, 2610, 2614 TRANSPORTATION CORP. 120 S. Riverside Plaza, Chicago, III. 60680 GENERAL ELECTRIC CO. 3426, 3428, 3430 INFORMATION SERVICE DEPT. 7735 Old Georgetown Rd., Bethesda, Md. 20014; GPL: computer time-sharing service GENERAL TIRE & RUBBER CO., 3045 CHEMICAL PLASTICS DIV. 70 Garden St., Lawrence, Mass. 01842 GIFFORD-WOOD, INC. 1114 1 Hudson Ave., Hudson, N.Y. 12534 GLENGARRY PROCESSES, INC. 1437 P.O. Box 30, Bay Shore, N.Y. 11706 GLOBAL PROCESS EQUIPMENT, INC. 3611 710 Old Willets Path, Hauppauge, N.Y. 11787; GPL: distributor mixing, blending, and dispersion equipment GORDON PUBLICATIONS, INC., 4024 CHEMICAL EQUIPMENT 20 Community PL, Morristown, N J . 07960; GPL: publications GORMAN-RUPP CO. 3028 305 Bowman St., Mansfield, Ohio 44902; GPL: pumps GOULDS PUMPS, INC. 1724, 1728 P.O. Box 330, Seneca Falls, N.Y. 13148 GRAHAM MFG. CO. 3730 170 Great Neck Rd., Great Neck, N.Y. 11021 GREAT WESTERN MFG. CO. 1130 208 Choctaw, Leavenworth, Kan. 66048; GPL: sifting and screening machines GREFCO, INC., DICALITE DIV. 1214 630 Shatto Place, Los Angeles, Calif. 90005; GPL: filter powders (filteraids) GREIF BROS. CORP. 1723 621 Pennsylvania Ave., Delaware, Ohio 43015 GRINNELL CO., INC. 2334 260 W. Exchange St., Providence, R.I. 02901; GPL: chemical valves and operators GROEN DIV. see Dover Corp. 4830 GULF PUBLISHING CO. 3035 P.O. Box 2608, Houston, Tex. 77001; GPL: Hydrocarbon Processing, monthly trade publication GULTON INDUSTRIES, INC., 4319, 4420 RUSTRAK INSTRUMENT DIV. Municipal Airport, Manchester, N.H. 03103; GPL: miniature strip-chart recorders
H HACH CHEMICAL CO. 2814 P.O. Box 907, Ames, Iowa 50010; GPL: water-analysis and pollution-control products HALLIKAINEN 4114, 4116 750 National Ct., Richmond, Calif. 94804; GPL: analytical instruments HANKISON CORP. 5217, 5219 College & Pike, Canonsburg, Pa. 15317; GPL: dryers, compressed air/gas, refrigerated type HANOVIA LAMP DIV. 1533 see Engelhard Minerals & Chemicals Corp. HARDINGE OP., METAL PRODUCTS 2324 DIV. see Koppers Co. HARVARD APPARATUS CO. 2710A 150 Dover Rd., Millis, Mass. 02054 HASTINGS-RAYDIST 3411 P.O. Box 1275, Hampton, Va. 23361; GPL: vacuum, mass-flow, and air-velocity instruments HAVEG INDUSTRIES, INC., CHEMICAL EQUIPMENT DIV. 2410 900 Greenbank Rd., Wilmington, Del. 19808; GPL: reactor vessels, storage tanks, columns, towers, piping, and condensers and process design packages GLASCOTE PRODUCTS DIV. 2309 20900 St. Clair Ave., Cleveland, Ohio 44117; GPL: glass-lined CP equipment: vessels, towers, condensers, and accessories HAYWARD MFG. CO. 4930 900 Fairmount Ave., Elizabeth, N.J. 07201 20A
C&EN NOV. 10, 1969
HEIL PROCESS EQUIPMENT CORP. 1220 12901 Elmwood Ave., Cleveland, Ohio 44111; GPL: corrosion- and chemical-proof processing and ventilating equipment HEMCO CORP. 2709 111 N. Powell Rd. (P.O. Box 210), Independence, Mo. 64051; GPL: laboratory furniture HICKS & SONS, INC. 5116 3908 Cane Run Rd., Louisville, Ky. 40211 HILLS-MCCANNA DIV. see 5035, 5037 Pennwalt Corp. HIRT COMBUSTION ENGINEERS 4235 931 S. Maple Ave., Montebello, Calif. 90640 HOFFMAN AIR & FILTRATION 4327, 4329 DIV. see Clarkson Industries, Inc. HOKE, INC. 1321, 1727 1 Tenakill Pk., Cresskill, N J . 07626; GPL: miniature valves HOKE MFG. CO. 1727 1 Tenakill Pk., Creskill, N J . 07626; GPL: flareless tube fittings HONEYWELL, INC., INDUSTRIAL DIV. 2217 1100 Virginia Ave., Fort Washington, Pa. 19034; GPL: industrial instruments and control systems HOOVER BALL 3328, 3330, 3332, 3334 & BEARING CO., TOTE SYSTEMS DIV. 700 S. 7th St, Beatrice, Neb. 68310; GPL: tote bins, tote tanks, plasbin, fiberdyne tanks, and tote big bags F. R. HORMANN CO. 2723 Milldale, Conn. 06467 HORTON PROCESS DIV. see 1812 Chicago Bridge & Iron Co.
HOTPACK CORP. 2727, 2729 5071 Cottman Ave., Philadelphia, Pa. 19135; GPL: furnaces, ovens, environmental chambers, water baths, and refrigerators HOUDAILLE INDUSTRIES, INC., PENBERTHY DIV. 4837, 4839, 4841 P.O. Box 112, Prophetstown, III. 61277; GPL: jet products, liquid-level gages and valves, and pollution control, vacuum, and sampling equipment VIKING PUMP DIV. 3071 406 State St., Cedar Falls, Iowa 50613; GPL: rotary pumps HOWE RICHARDSON SCALE CO. 1622 680 Van Houten Ave., Clifton, "NJ. 07015; GPL: weighing equipment and accessories S. HOWES CO. 3507, 3511 Silver Creek, N.Y. 14136 B. H. HUBBERT & SON, INC. 4914 1311 S. Ponca St. (P.O. Box 5228), Baltimore, Md. 21224 HYDROCARBON PROCESSING 3035 see Gulf Publishing Co.
Instrumentation
of corrosion. This valve eliminates the need for an additional, externally installed trap. From Rustrak, miniature strip chart recorders are available. They are lightweight, use little power, are resistant to harsh environments, and provide a permanent record by a clean dry writing process according to Rustrak. Robertshaw has a program controller for repetitive batch processing, such as textile dyeing. It is a proportional controller with a digital setpoint adjusting mechanism for use with a multichannel digital input device such as a tape reader. By providing additional channels in the programer, digitally controlled functions in the process control system, such as opening and closing fill and drain valves, starting timed holding periods, and starting and stopping motor-driven equipment, can be performed. Delta Scientific has a series of automatic analyzer/ controllers for continuous monitoring and control of a wide variety of water, wastes, and process liquids tests. The instruments include models for automatic spectrophotometric wet chemistry analysis and systems with ion selective and other continuous probe measurements. The monitors are designed so that they can automatically control the operation of process valves, chemical feed pumps, and alarms. Hallikainen has an oil-on-water detector for water pollution control. The detector, floating on the surface of the water, uses the reflectivity of the stream surface to measure degrees of pollution due to oil.
Bailey Meter has a solid-state oxygen analyzer for monitoring and controlling atmospheres or for monitoring and controlling combustion processes, especially where low-excess air is a requirement. The instrument measures the oxygen concentration of gas mixtures in various ranges: 0 to 0.5%; 0 to 100%. Anacon's Model 106 moisture analyzer uses as its operating principle the absorption of near-infrared energy by moisture. The instrument provides a noncontact, continuous, on-line measurement of moisture in a wide range of materials. Typical applications include measurement in paper, cellophane, film, instant coffee, tea, soap, detergents, chemicals, rubbers, sand, clay, tobacco, and fibers. There is, however, a minimum moisture level for the analyzer. An electronic absolute pressure transducer by Motorola measures pressure with direct reference to a vacuum, thus eliminating effects of atmospheric pressure variation. It has no mechanical linkages and, Motorola says, friction, sensitivity, linearity, and adjustment problems are virtually eliminated. Clark-Reliance has entered the environmental control field with its dry steam humidifier for the chemical processing industries. The humidifier separates, filters, strains, and finally superheats steam to remove entrained droplets. An automatic, floatoperated drain valve, incorporated into the humidifier to remove condensate as it is formed, minimizes the possibility
I IBEC, V. D. ANDERSON DIV. 5209 1935 W. 96th St., Cleveland, Ohio 44102; GPL: screw presses and steam specialties ILLINOIS WATER TREATMENT CO. 3324 840 Cedar St., Rockford, III. 61105 INDUSTRIAL & ENGINEERING 1612, 2640 CHEMISTRY see American Chemical Society
GAF introduces new ressure filler system >r less than $300.
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BRBil And the low purchase price is only part of the story. The new GAF Pressure Vessel Filter System* also reduces filtration operating costs, provides fast, efficient and versatile performance, and features a simplified, compact design.
Simplified, compact design. The new GAF Pressurized Filter System consists of just three basic parts: vessel, bag and restrainer. It weighs less than 60 pounds. Its space-saving measurements are approximately 34 inches high by 9 inches in diameter. And it's specially designed for fast, easy installation.
Low operating costs. With the exclusive GAF SNAP-RING® principle, you can change the filter bag in a matter of minutes —without any tools. Solids collected by the new system are confined to the filter bag— there's no need to spend valuable man-hours emptying and cleaning the inside of the vessel. You also minimize the cost of cleaning agents. In short, you lower your cost per gallon of throughput.
Versatile in operation. You can use the new pressurized system to filter a wide variety of chemicals, paints and other industrial liquids—for either product collection or clarification. Vessels are available in both mild steel and stainless steel and are ASME coded to 125 psi with a maximum AP of 50 psi. SNAP-RING bags (GAF Standard No. 1) are offered in AVISCOt Rayon, Nylon and Polypropylene fibers.
Efficient, micron-rated filtration. The performance-proven GAF SNAP-RING Filter Bag provides high solids-collection capacity, high flow rates, and long operating cycles with nominal micron ratings of 5,10,15, 25, 50, 100 and 200 (depending on the fiber).
For complete information, contact GAF Corporation at 268 Glenville Station, Greenwich, Connecticut, 06830. Phone (203) 531-8700.
See us at the Chem Show Booth No. 3432
STâli tAVISCO is a trademark of FMC Corporation, American Viscose Division
Patents issued and pending
GAF Corporation, Industrial Products Division, 140 West 51 Street, New York, N. Y. 10020 Circle Nc. 67 on Readers' Service Card
Circle No. 56 on Readers' Service Card
>-
NOV. 10, 1969 C & E N
21A
If you needed enough chlorine to bleach all the pulp that's bleached in the U.S., who could supply it? PPG.
PPG is the largest U.S. merchant supplier of chlorine. So we're supplying paper companies, chemical companies, plastics companies, all sorts of companies. And to back that up, we're number two in caustic soda . . . in addition to making dozens of other chemicals. When you need a good, steady source, PPG can meet your
$mi
demands. Now and in the future. For many of our chemicals, we have bulk storage terminals located strategically from coast to c o a s t . . . no customer is more than 24 hours away from a PPG caustic shipment, for example. We're committed to being a longterm supplier of chemicals to basic industries. Let us prove it to you.
Before you draw up chemical contracts, consider all the advantages of calling on PPG. Then get in t o u c h . W r i t e o r c a l l : PPG Industries, Inc., Chemical Division, One Gateway Center, Pittsburgh, Pa. 15222.
Chemicals
INDUSTRIES
PPG is Chemicals, Minerals, Fiber Glass, Paints and Glass. So far.
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COMPANY DIRECTORY INGERSOLL-RAND CO. 1428 11 Broadway, New York, N.Y. 10004 INTERNATIONAL 4633 CHEMICAL ENGINEERING see A.I.Ch.E. INTERPACE CORP., 2524 LAPP PROCESS EQUIPMENT DIV. Le Roy, N.Y. 14482; GPL: metering pumps INTERTECH CORP. 4322 262 Alexander St., Princeton, N.J. 08540; GPL: gas and liquid analyzers, smoke density meters, and control systems ITT CORP. 320 Park Ave., New York, N.Y., 10022 ITT BARTON 4447, 4547, 4647 580 Monterey Pass Rd., Monterey Park, Calif. 91754; GPL: gas and liquid flow measuring instruments, liquid-level sys tems, and sufur titrators ITT HAMMEL-DAHL 4447, 4547, 4647 175 Post Rd., Warwick, R.I. 02888; GPL: automatic control valves ITT JABSCO, 4447, 4547, 4647 (Fluid Handling Div.) 1485 Dale Way, Costa Mesa, Calif. 92626; GPL: pumps ITT MARLOW 4447, 4547, 4647 P.O. Box 200, Midland Park, N J . 07432; GPL: pumps J JACOBSON MACHINE WORKS, INC. 3094 2445 Nevada Ave. N.F Minneapolis, Minn. 55427; GPL: hammermills, mixers JACOBY-TARBOX CORP. 4121, 4222 808 Nepperhan Ave., Yonkers, N.Y. 10703 JAEGER & FRANZMANN, INC. 4121, 4222 808 Nepperhan Ave., Yonkers, N.Y. 10703 JAMESBURY CORP. 3124, 3126 640 Lincoln St., Worcester, Mass. 01605; GPL: valves and control devices JAPAN MANAGEMENT 3091, 3093, 3095 ASSOCIATION Kyoritsu Bldg., 25 Shiba Koen, Minato-Ku, Tokyo, Japan JARRETT ELECTRIC, INC. 4973 632 S. Broadway, Salina, Kan. 67401; GPL: electrical control panels JEFFREY MFG. CO. 1527 274 E. 1st Ave., Columbus, Ohio 43216; GPL: dryers, crushers, vibrators, convey ors, and feeders JERGUSON GAGE & VALVE CO. 1125 15 Adams St., Burlington, Mass. 01803; GPL: liquid-level gages and valves JOHNS-MANVILLE SALES CORP. 2731 22 E. 40th St., New York, N.Y. 10016; GPL: laboratory table top materials and timetemperature rated wall panels See ad in this issue
JONES DIV. see Beloit Corp. 3236 JORDAN VALVE DIV. 4001 see Richards Industries, Inc. JOY MFG. CO. DENVER EQUIPMENT DIV. 3426, 3428 1400—17th St., Denver, Colo. 80217; GPL: flotation machines, pumps, samplers, fil ters, grinding mills, pulp distributors, thickeners, agitators, laboratory equipment, jigs, screens, feeders, and crushers WESTERN PRECIPITATION DIV. 3627, 3631 1000 W. 9th St., Los Angeles, Calif. 90015; GPL: air pollution control equipment and heat exchanger processor JUSTIN ENTERPRISES, INC. 4023, 4025 2933 Symmes Rd.r Fairfield, Ohio 45014; GPL: glass-fiber tanks
κ KAHN AND CO., INC. 4976 P.O. Box 516, Hartford, Conn. 06101; GPL: compressed air and gas dryers, super pres sure compressors, and autoclaves KANE AIR SCALE CO. 4422 Warrick and Grillo Sts., Glassboro, N.J. 08028; GPL: batch weighing systems and weigh feeders KARSTROM CO., subsid. EXACT WEIGHT 4107 SCALE CO. 13400 W. Silver Spring Dr., Menomonee Falls, Wis. 53051 KASON CORP. 4937 231 Johnson Ave., Newark, N.J. 07108; GPL: separators KAY-RAY, INC. 4051 740 E. Northwest Hwy., Palatine, III. 60067; GPL: process control 24A C&EN NOV. 10, 1969
KEENE CORP., FLUID HANDLING DIV. 3820 1903 Fisk Rd., Cookeville, Tenn. 38501; GPL: chemical process filters and tur bidimeters KELMORE, INC. 4732 599 Springfield Ave., Newark, N.J. 07103; GPL: refrigerators KENICS CORP. 4337 1 Southside Rd., Danvers, Mass. 01923; GPL: in-line mixers, reactors, and heat exchangers KENNEDY VAN SAUN CORP., 3621 subsid. MCNALLY PITTSBURGH Danville, Pa. 17821; GPL: pneumatic con veying systems, grinding mills, rotary and fluid-bed dryers, and calciners KEWAUNEE SCIENTIFIC 2708 EQUIPMENT CORP. Adrian, Mich. 49221 WALTER KIDDE & CO., INC., 4639 FENWAL, INC., DIV. Ashland, Mass. 01721 KINETIC DISPERSION CORP. 3729 45 Boxwood Ln., Buffalo, N.Y. 14227; GPL: dispersion equipment KINNEY VACUUM CO. 1221 3529 Washington St., Boston, Mass. 02130; GPL: vacuum and liquid pumps MAURICE A. KNIGHT CO. 2318 P.O. Box 111, Akron, Ohio 44309; GPL: acidproof chemical equipment KOBE, INC. 3058 3040 E. Slauson Ave. (P.O. Box 2507), Huntington Park, Calif. 90255; GPL: highpressure pumps KOCH ENGINEERING CO., INC. 4339, 4341 4111 E. 37th St. N., Wichita, Kan. 67220; GPL: distillation trays, tower packing, spray drying systems, air and water pollu tion control systems, and mist eliminators KOMAREK-GREAVES & CO. 4967 10225 Higgins Rd., Rosemont, III. 60018 KOMLINE-SANDERSON 1809, 1811 ENGINEERING CORP. Holland Ave., Peapack, N.J. 07977; GPL: spray dryers, vacuum filters, double cone blenders-dryers, and flotation units KONTRO CO., INC. 4045, 4050 465 Main St., Athol, Mass. 01331; GPL: evaporators, pumps, and valves KOPPERS CO., INC. 4430 Pittsburgh, Pa. 15219; GPL: reinforced plastic structural shapes HARDINGE OP., METAL 2324 PRODUCTS DIV. P.O. Box 312, York, Pa. 17405; GPL: grind ing mills, rotary dryers, classifiers, and feeders
L LABCONCO CORP. 2809 8811 Prospect, Kansas City, Mo. 64132 LABORATORY EQUIPMENT CORP. 3435 1415 Hilltop Rd., St. Joseph, Mich. 49085; GPL: laboratory and testing equipment See ad in this issue
LADISH CO., 1633 TRI-CLOVER DIV. 2809 60th St., Kenosha, Wis. 53140 VALVE DIV. Cynthiana, Ky. 41031; GPL: fit tings, valves, pumps, and filters LAPP PROCESS EQUIP. DIV. 2524 see Interpace Corp. LAWRENCE PUMPS, INC. 3338 371 Market St., Lawrence, Mass. 01843; GPL: centrifugal pumps LEAD INDUSTRIES ASSOC, INC. 3814 292 Madison Ave., New York, N.Y. 10017; GPL: distribution of information for the use of lead LEADER IRON WORKS, 1438 subsid. STANDARD STEEL CORP. Decatur, III. LEEDS & NORTHRUP CO. 2109 Sumneytown Pike, North Wales, Pa. 19454 LEE METAL PRODUCTS CO. 4122, 4124 510 W. Pine St., Philipsburg, Pa. 16866 J. M. LEHMANN, WM. R. THROPP 1638 DIV. see Mullins Mfg. Corp. LFE CORP. EASTERN INDUSTRIES DIV. 5137 100 Skiff St., Hamden, Conn. 06514; GPL: pumps and mixers LIF-O-GEN, INC. 2707 Mt. Laurel-Eayrestown Rd. (P.O. Box 302), Lumberton, N.J. 08048; GPL: laboratory gases, calibration standards, and gas con trol equipment LINK-BELT DIV. 1121 see FMC Corp. LIQUID DYNAMICS 1712, 1716 21 W. Elm St., Chicago, III. 60610; GPL: centrifuges and liquid extraction and sep aration equipment
LITTLEFORD BROS., INC. 5210, 5212 4141 Airport Rd., Cincinnati, Ohio 45226; GPL: mixers, plastic compounders, and material handling systems LITTON INDUSTRIES, 3736 LOUIS ALLIS CO. DIV. 427 E. Stewart St., Milwaukee, Wis. 53201 REINHOLD PUBLISHING CORP. 1612 600 Summer St., Stamford, Conn. 06904; GPL: publishing and advertising LONDON CO. 2712 811 Sharon Dr., Cleveland, Ohio 44145; GPL: laboratory instrumentation LOUISVILLE DRYING MACH. DIV. 5233 see Custom Dryers, Inc. LOURDES INSTRUMENT CORP. 4938 148 Sweet Hollow Rd., Old Bethpage, N.Y. 11804; GPL: centrifuges and homogenizers LUNKENHEIMER CO. DIV. 3407, 3409 Conval Corp. LUWA CORP. 5220, 5222 P.O. Box 8009, Charlotte, N.C. 28208; GP ' /
Send data on the following: Π Acids D Glycerine Π Alcohols D Methyl Esters Π Epoxides • Send information on your complete line. • Have a representative contact me for an appointment. We are considering these for • Existing Products Π Testing Π Other The specific application of Darticular interest is
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Circle No. 70 on Readers' Service Card
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In just a couple of months our new 300-milhon pound % à tarn *\ *i k'fs·^ *Λ*®£, * *i «i d * Φ ! « so; ?\ι-'{, :%; Aj tj h--'l^:jj~ continue to supply ethylene o x M é ^ i * f | ^ alvcol ethers and acetates, m aaquton ι E> our present wide stream, which will do a ιοί range of solvents. •to solve s u p p l y i > & i M ^ where yur raw materials will ene glycol. · ' , "' "C'ir '• '. - - v .Λ^ίν-••>·"••• So. . S i ^iff voure y # ^considering # ^ i But it also makes available fërgé < i w i W i i ^ inese etnyiene E^m^ftm^^)Y^^ M^f):^:^ -ιν &10 qeiWe'll have what chemicals, Uke di-ethylene glycol-a bastfc ingredient 0f βoxide ώ ^ derivatives—the place is ceianese 0oH Δ Π Γ Ι ΛΨΙ smiinriancc» o f t t e m in us ing it. Just write, polyester resins. And you oan always depe^ *K, 245 Park îng quality very high. ' -'•- ; , -'. i ^ ' i . ; ; . | ^ : ^ β ^ ^ 1 ^ Ceianese unemtcat «company» uep There will also be triH&thy%ne $ 5 ^ ^ * ! % : ^ w τ . ι υ υ ι / , a division ut wçt«liasse "orooration
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CELANESE CHEMICALS
MINE SAFETY APPLIANCES CO. 1328 201 N. Braddock Ave., Pittsburgh, Pa. 15208; GPL: personal safety equipment for respiratory and noise protection, process control, and analytical instruments MISSION MFG. CO., 4214, 4218 MISSION VALVE & PUMP CO. DIV. P.O. Box 4209, Houston, Tex. 77014 MIXING EQUIPMENT CO., INC. 1416 170 Mt. Read Blvd., Rochester, N.Y. 14603; GPL: fluid mixers and aerators MOISTURE REGISTER CO. 4042 1510 W. Chestnut St., Alhambra, Calif. 91802; GPL: moisture meters MONITOR MFG., INC. 4441 200 N. Island Ave., Batavia, III. 60510; GPL: instruments and controls MONSANTO CO. 4336 800 N. Lindbergh Blvd., St. Louis, Mo. 63166 MONSANTO BIODIZE SYSTEMS, INC. 112-20 14th Ave, College Pt.f N.Y. 11356 N. HUNT MOORE & ASSOC. 4036 3951 Senator St., Memphis, Tenn. 38118; GPL: powder grinding mills MOORE PRODUCTS CO. 3834 Spring House, Pa. 19477 MOOREHOUSE-COWLES, INC. 3816 1600 W. Commonwealth Ave., Fullerton, Calif. 92632; GPL: mixing and dispersion equipment MORRIS MACHINE WORKS 4522 31 E. Genesee St., Baldwinsville, N.Y. 13027
MOTOROLA INSTRUMENTATION & 4537 CONTROL, INC. P.O. Box 5409, Phoenix, Ariz. 85010; GPL: processing equipment and process control equipment MSA RESEARCH CORP. 1334 201 N. Braddock Ave., Pittsburgh, Pa. 15208 PAUL MUELLER CO. 4640 P.O. Box 828, Springfield, Mo. 65801; GPL: stainless steel processing equipment MULLINS MFG. CORP., 1638 J. M. LEHMANN, WM. R. THROPP DIV. 605 S. Ellsworth Ave., Salem, Ohio 44460; GPL: sieving and straining equipment MULTI-GRIND LTD. 3115 81 Howden Rd., Scarborough, Ont., Canada N NALGE CO. DIV. see Sybron Corp. 4541, 4543 See ad in this issue NALGENE LABWARE; NALGENE PIPING SYSTEMS DIV. see Sybron Corp., Nalge Co. Div. NATIONAL DRYING 3427, 3429 MACHINERY CO. Lehigh and Hancock Sts., Philadelphia, Pa. 19133; GPL: drying machinery NATIONAL DUST COLLECTOR CORP. 1822 9938 N. Lawler, Skokie, III. 60076 NATIONAL ENGINEERING CO., 2310 PROCESS EQUIPMENT DIV. 549 W. Washington Blvd., Chicago, III. 60606
NATIONAL SONICS CORP. 3046, 3048 43 Milbar Blvd., Farmingdale, N.Y. 11735; GPL: liquid and dry controls and dry level systems NATIONAL WOOD TANK INSTITUTE 4433 1028 Connecticut Ave., N.W., Washington, D.C. 20036 NEASE CHEMICAL CO., INC., 4630 EQUIPMENT DIV. P.O. Box 221, State College, Pa. 16801 NEPTUNE CHEMICAL PUMP CO. 4439 Lansdale, Pa. 19446; GPL: proportioning pumps NEPTUNE MIXER CO. 4437 Lansdale, Pa. 19446; GPL: portable mixers NETTCO CORP. 1722 85 Tileston St., Everett, Mass. 02149; GPL: fluid mixers NEWARK WIRE CLOTH CO. 1233 351 Verona Ave., Newark, N.J. 07104; GPL: industrial wire cloth, custom fabricated parts, and lab testing sieves NIAGARA BLOWER CO. 2439 405 Lexington Ave., New York, N.Y. 10017; GPL: heat transfer equipment NIAGARA FILTERS DIV. 2344, 2444, 2544 see Ametek, Inc. NICHOLS ENGINEERING & 2230 RESEARCH CORP. 150 William St., New York, N.Y. 10038 Nil LABORATORY FURNITURE, INC. 2744 270 Duffy Ave., Hicksville, N.Y. 11802; GPL: laboratory and library furniture
Separators Centrifuges are getting bigger. Centrico says that its Westfalia TA-200 liquid-liquid separator is, with its 500gpm capacity, the largest centrifugal separator in the world. Design advances include built-in feed and discharge lines, sight glasses and gages; a hydraulic lift to raise the hood assembly; and quick disconnection of feed and discharge lines for easy disassembly. The TA-200 frame is gas tight and equipped for nitrogen connection. Power is supplied by a 75hp heavy-duty motor; a special design permits reverse-current braking. Centrico will also introduce the Westfalia SAK-20037 automatic desludger, rated at 220 gpm. For maximum clarifying efficiency, the desludger has closely spaced, highly polished disks. De Laval is also showing a high-capacity, self-cleaning, solids-ejecting centrifuge. The BRPX 217, shown at the right, has a maximum overflow capacity of 260 gpm. With its self-triggering solids discharge device, the machine discharges sludge automatically. Because it is activated only by solids buildup, it prevents false triggering and loss of product. The BRPX 217 can handle feed slurries with solids concentrations up to 10 or 12% by volume. A 100-in-diameter, multiplane, inertial vibrating screen separator is offered by Kason Corp. The firm's engineers say the 100-in model has four times the capacity of standard 48-in units now available, and that it will provide extremely accurate cuts with high productivity.
Dorr-Oliver will present its Iopor ultrafiltration system, which uses semipermeable membranes made of various organic polymers at pressures as low as 30 to 50 psi—in contrast to the 600 to 1500 psi usually associated with reverse osmosis. The Iopor system provides separation in the range 2000 to 2 million molecular weight. A hydrodynamic system provides continuous removal of retained material from membrane surfaces. A feed-bleed system controls retentate concentration. Other new filter developments include Multi-Clean, a simplified precoat system from Filterite; Pall Trinity Micro's filter housings, which are made of stamped and drawn components and offer high flow with low pressure drop; and AMF Cuno's Mi-
cro-Wynd II wound-fiber filter cartridges, which are said to maintain filtration integrity in all popular micrometer ratings while increasing flow rates up to 500% and dirt-holding capacities up to 100%. Swenson will demonstrate a semicontinuous peeler centrifuge. The Swenson Model HZ-63 is recommended for jobs with small particle size, low slurry concentrations, or separation of wash and mother liquor. The peeler is automated by hydraulically controlled accessories actuated through an electrical timing system. Dorr-Oliver will also introduce its new CableTorq thickener, which transmits torque via cables from drive trusses located above the solution or mud level. Overhead design permits CableTorq to remain in service two or three time longer between descalings, the maker says. Highlighting Otto H. York Co.'s display will be an operating demonstration of their Demister mist eliminator/ entrainment separator. Designed to improve performance of evaporators, scrubbers, and other process equipment, the unit is said to remove 9 9 . 9 + % of entrained liquid or mist from any vapor stream. Alpine American Corp. will unveil its new Model 32/100 Air-Jet sieve, for continuous sievings in particle sizes from 25 ^m and larger, with capacity from 50 to 700 lb/hr. Use of the aerodynamic principle leads to highaccuracy sieving without size reduction, Alpine says. The model is suited for continuous or batch operation.
NOV. 10, 1969 C&EN -Circle No. 18 on Readers' Service Card
29A
THE SOCIAL PSYCHOLOGY OF SAVING A PENNY.
(Or how penny pinching can hurt your product catalog) Sometimes a penny saved isn't a penny earned. Sometimes it's sales lost. Lost because product problems weren't solved. A M O C O IPA is a problem solver. Flexible unsaturated polyesters based on Isophthalic A c i d offer tensile strengths twice as high as those obtained with comparable phthalic formulations. IPA also helps products resist c h i p p i n g , c r a c k i n g , and crazing.
And fight corrosion. Want some examples of how IPA's inherent toughness has improved products? Automotive parts. Bowling balls. Surfboards. Tanks and tank linings. Bathroom fixture components and sanitary gel coats for bathroom fixtures. Serving trays. Golf carts. Snowmobiles. Ice boats. All of these were made better with Isophthalic A c i d .
It may cost a few pennies to improve your product with IPA. But it's a small price to pay for customer satisfaction. For a booklet on how IPA improves products, see your A m o c o sales representative. Or write t o : Amoco Chemicals Corporation, Department 10203, 130 East Randolph Drive, Chicago, Illinois 60601.
Amoco Chemicals
COMPANY DIRECTORY NORCROSS CO., KEM-FEED DIV. 3320 19 Osborne St., Bloomfield, N.J. 07003 NORCROSS CORP. 2611 255 Newtonville Ave., Newton, Mass. 02158; GPL: viscometers for process control equipment NORRIS DIV. see Dover Corp.
4526
NORTH AMERICAN FILTRATION CO. 3072 7 Industrial Ave., Upper Saddle River, N.J. 07458; GPL: filters and filter materials NORTON CO. 1515 Worcester, Mass. 01600 CHEMICAL PROCESS PRODUCTS DIV. P.O. Box 350, Akron, Ohio 44309 NORTON BIO MEDICAL PRODUCTS Akron, Ohio PLASTICS & SYNTHETICS DIV. P.O. Box 350, Akron, Ohio 44309 NUOVO PIGNONE, INC. 4054 Via Felice Matteucci No. 2, Florence, Italy NUPRO CO. 3506 15635 Saranac Rd., Cleveland, Ohio 44110; GPL: valves and filters
Ο OAKITE PRODUCTS, INC. 3413 50 Valley Rd., Berkeley Heights, N.J. 07922; GPL: products and processes for cleaning and to prevent fouling and corrosion OHAUS SCALE CORP. 2832 29 Hanover Rd.f Florham Park, N.J. 07932; GPL: laboratory and production balances OLKON CORP., 4813 CONTRAVES VISCOMETER DIV. 999 Bedford St., Stamford, Conn. 06905; GPL: viscometers OREGON METALLURGICAL CORP. 3030 P.O. Box 580, Albany, Ore. 97321; GPL: ti tanium ingots and castings—pumps, valves, agitators, and fittings OVITRON CORP., WADE DIV. 4004 East Stroudsburg, Pa. 18301 OWENS-ILLINOIS 2724 P.O. Box 1035, Toledo, Ohio 43601; GPL: pipe and drainline
Ρ PACIFIC VALVES, INC. 5211, 5213 3201 Walnut Ave., Long Beach, Calif. 90801; GPL: steel valves PALL CORP. 1133 30 Sea Cliff Ave., Glen Cove, N.Y. 11542 PALL TRINITY MICRO CORP. 1133 Route 281, Cortland, N.Y. 13045; GPL: submicron filters, air dryers, and thermocou ples PANGBORN DIV. 2129, 2133, 2139 see Carborundum Co. PARKER HANNIFIN CORP. 2623 17325 Euclid Ave., Cleveland, Ohio 44112; GPL: hydraulic, pneumatic, and other fluid-handling products PARKS-CRAMER CO. 1710 P.O. Box 444, Fitchburg, Mass. 01420; GPL: jacketed pipe, valves, and fittings PARKSON CORP. 4978 5601 N.E. 14th Ave., Fort Lauderdale, Fla. 33308; GPL: evaporators, strippers, separa tors, and thickeners PATTERSON-KELLEY CO., 1129, 1226, 1228 INC. 11 Burson St., East Stroudsburg, Pa. 18301; GPL: blenders, dryers, heat exchangers, valves, steam generators, water heaters, and waste water heat reclaimers POCONO FABRICATORS, 1129, 1226, 1228 INC., DIV. East Stroudsburg, Pa. 18301; GPL: corro sion-resistant ceramic-cements and fastsetting cement PATTERSON-LUDLOW DIV. see 1334 Banner Industries PEABODY ENGINEERING CORP. 4826, 4828 39 Maple Tree Ave., Stamford, Conn. 06906; GPL: combustion equipment and air pollu tion control equipment PEERLESS PUMP see FMC Corp. 3743 PEN BERTH Y DIV. 4837, 4839, 4841 see Houdaille Industries PEN Ν WALT CORP. 2118, 2409, 2517, 2618 3 Penn Ctr„ Philadelphia, Pa. 19102; GPL: centrifuges, vacuum pumps, vacuum dry ers, tabletting equipment, and plastics HILLS-MCCANNA DIV. 5035, 5037 400 Maple Ave., Carpentersville, III. 60110; GPL: valves, valve actuators, pumps 32A
C&EN NOV. 10, 1969
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B8 th NOV. 10, 1969 C&EN 41A
Floor Plans Showing Booth Locations 32nd Exposition of Chemical Industries
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KEMAMIDE Ε
1,000 SQUARE YARDS OF POLYETHYLENE TREATED FOR 240 Over 9 0 % of polyethylene producers use HumKo's KEMAMIDE E to insure the proper amount of anti-block and controlled slip so vital to high speed, high quality production.
HUMKO P R O D U C T S CHEMICAL DIVISION WHITE STATION TOWER MEMPHIS-TENNESSEE 38101
KEMAMIDE E (erucamide) is a long chain amide that, among other applications, imparts the required delicate balance in the film to eliminate polyethylene's natural resistance to vertical separation [block] while providing the proper, controlled slip. KEMAMIDE treated films, therefore, have the optimum handling, print, adhesive and sealing qualities required for further fabrication. As with KEMAMIDE E, all Humko amides have one or more applica tions where they are chosen not alone for the unique functions they provide, but, just as importantly, for their proven consistency of quality. Samples of any or all of the KEMAMIDES are yours on request.
DIVISION OF NATIONAL DAIRY PRODUCTS CORPORATION PRODUCT
BASIC IN FATTY ACIDS • GLYCERIDES FATTY NITROGEN DERIVATIVES REFINED GLYCERINE
Kemamide Kemamide Kemamide Kemamide
Description B S U E
Behenamide Stearamide Oleamide Erucamide
Average Molecular Weight 312 278 275 335
%
Color % Gardner Moisture Max. Max.
FFA Max.
Iodine Value
Capillary M. P. °C
2.0 2.0 2.0 2.0
0.5-2.0 1.0-3.0 72-90 70-80
97-108 96-108
5 5
64-75 72-86
8 6
ADVANCES IN STRAIGHT CHAIN CARBON CHEMISTRY Circle No. 39 on Readers' Service Card
0.1 0.1 0.2 0.2
13
Product directory This C&EN list categorizes some of the equipment or services being offered by companies participating in the 32nd Exposition of Chemical Industries. The headings aren't detailed or encompassing listings, therefore this directory does not include all of the enormous number of items being shown at the exposition. Thus browsing at the show is recommended. The major headings list: • The company name followed by the booth number in parentheses. When a company is exhibiting in more than one booth, only the lowest numbered booth is given. • The main attractions being shown by a company, with a limit of four listings per company or major division. A product identified as new has, according to the company, been introduced within the past three or four months. Also, such products are more than slight modifications of previously existing equipment. The Company Directory, an alphabetical listing of the companies participating in the exposition, starts on page 12A
Agitators see Mixers, blenders
Alloys see Metals, alloys
Barrels see Containers
Blenders see Mixers, blenders
Calciners see Furnaces, ovens
Cements, chemicals, insulation see Industrial materials
Centrifugals, precipitators, separators, dewaterers BAKER PERKINS, INC., Chemical Machinery Div. (2239): Pod liquid/liquid centrifugal contactor; S-8 pusher centrifugal BAUER BROS. CO., subsid. Combustion Engineering, Inc. (4916): liquid cyclones BIRD MACHINE CO., Process Equipment Div. (2339): screen bowl continuous centrifuge; Bird Escher Wyss multistage pusher centrifuge BOCK CO. (4113): batch-type centrifuge; inverted-bowl centrifuge BORG-WARNER MECHANICAL SEALS (4041): cyclone separators 46A
C&EN NOV. 10, 1969
CARTER DAY CO. (1521): Spin-Away dewatering unit for resin slurries CENTRICO, INC. (2132): new Westfalia TA200 liquid-liquid separator; new Westfalia SAK-20037 automatic desludger; new Westfalia SA-7 pilot-scale desludger DELTA P, INC. (3723): separators DE LAVAL SEPARATOR CO. (1528): new BRPX-217 solids-ejecting centrifuge; Mark III automatic basket centrifuge DORR-OLIVER, INC. (2423): centrifuges E. I. DU PONT DE NEMOURS & CO., INC., Permasep Products (3835): reverse osmosis Permasep permeators for liquids; Permasep gas permeators FRAM CORP. (4129): liquid-liquid separator; air-gas entrainment separator FWI, INC. (4443): centrifugal solids separator KASON CORP. (4937): Vertiflow clarifier; new portable separator; new 100-in-diameter separator LIQUID DYNAMICS (1712): Quadronic centrifugal solvent extractor; Quadronic centrifugal separator LOURDES INSTRUMENT CORP. (4938): Model 30R Clinifuge ARTHUR G. McKEE & CO., Taylor-Stiles Div. (3740): centrifuge MIDWESTERN INDUSTRIES, INC. (4029): Syncro-Matic circular separators SERVICE FILTRATION CORP., Serfilco Div. (4340): filter or centrifuge clarification systems SWARTWOUT, INC., subsid. Zurn Industries, Inc. (4931): No. 7 Whirlout all glass-fiber straight-through centrifugal; all glass-fiber centrifugal blower; glass-fiber coated wheels SWECO, INC. (3617): 4-deck, parallel-feed separator; 2-deck center-discharge separator SYBRON CORP., Pfaudler Co. Div. (1415): new Heinkel centrifuge TRIPLE/S DYNAMICS SUTTON, INC. (1715): V-135A specific gravity separator WESTERN STATES MACHINE CO. (3529): new Quadramatic automatic batch centrifugal; new CC vertical conical bowl continuous centrifugal; LS/SC automaticbatch centrifugal, stationary curb; new Clar-O-Matic automatic desludging centrifugal WHITING CORP., Swenson Div. (1319): new peeler centrifuge, Model HZ-63
WINSTON MFG. CORP. (3034): separators OTTO H. YORK CO., INC. (1609): R.D.C. contactors, rotating disk liquid-liquid extractor; York-Scheibel liquid-liquid extractor
Classifiers ALPINE AMERICAN CORP. (4523): 400 MP Mikroplex air classifier; MZR 100 air classifier BAUER BROS. CO., subsid. -Combustion Engineering, Inc. (4916): Centri-Sonic classifier BUNTING MAGNETICS CO. (4006): magnetic pulleys; magnetic plates; magnetic grates; magnetic drawer CARTER DAY CO. (1521): classifier for resin pellet slurries JACOBSEN MACHINE WORKS, INC. (3094): permanent magnetic pulley conveyor separator; plate-type permanent magnet KOMLINE-SANDERSON ENGINEERING CORP. (1809): flotation unit MAJAC, INC. (3437): air classifier PARKSON CORP. (4978): new Afjo solids classifier
Cleaning equipment see Tools, maintenance equipment
Colloid mills, homogenizers, dispersers CHEMICOLLOID LABS, INC. (2234): Charlotte colloid mill, sanitary and industrial designs; C/D process packaged systems; C/D mayonnaise and salad dressing systems CORNELL MACHINE CO., INC. (3514): Versator, homogenizers, disperser, and deaerator MANTON-GAULIN MFG. CO., INC. (1709): homogenizers; colloid mills PREMIER MILL CORP. (3214): colloid mills WAUKESHA FOUNDRY CO., INC. (4820): colloid mill, widely adjustable for unlimited mixing
Columns, towers CHEM FLOW CORP. (3707): Karr reciprocating extraction column CORNING GLASS WORKS (1422): GlassPlant towers DISTILLATION ENGINEERING CO. (3242): automatic distillation unit HAVEG INDUSTRIES, INC., Chemical Equipment Div. (2410): tower MAURICE A. KNIGHT CO. (2318): tower packing; packed tower internals KOCH ENGINEERING CO., INC. (4339): tower packing; distillation trays
Compressors AMERICAN INSTRUMENT CO., INC. (2233): compressors, industrial and laboratory, to 60,000 psi CARRIER CORP., Elliot Co. Div. (4943): air and gas compressors COLT INDUSTRIES, Fairbanks Morse Turbo Compressor Operation (5015): flexibleblade compressor; centrifugal compressor; rotary compressor KAHN AND CO., INC. (4976): super pressure compressors SPENCER TURBINE CO. (4642): gas booster; combustion air compressor WORTHINGTON CORP. (2534); RS rotary compressor
Condensers see Heat exchangers, heat transfer equipment, condensers
Containers: barrels, boxes, bottles, drums, tanks, bins, accessories ALLOY PRODUCTS CORP. (4832): stainless steel containers ERTEL ENGINEERING CO. (2229): stainless steel tanks HAVEG INDUSTRIES, INC., Chemical Eqiupment Div. (2410): storage tanks HOKE, INC. (1321): sampling cylinder containers HOOVER BALL & BEARING CO., Tote Systems Div. (3328): Tote bins and tanks: Tote plasbins; Fiber-Dyne tanks; Tote big bag JUSTIN ENTERPRISES, INC. (4023): filament wound glass-fiber reinforced tanks with a weather-protected insulation MAURICE A. KNIGHT CO. (2318): acid-proof tank linings LEAD INDUSTRIES ASSOC, INC. (3814): demonstration of a method of nondestructive testing of lead-lined vessels with ultrasonics; lead-steel laminates for the construction of chemical vessels MEC-O-MATIC, INC., subsid. Transunion Corp. (4035): chemical storage tanks PROTECTIVE PLASTIC CO. (4635): reinforced plastic tanks RHEEM MFG. CO., Container Div. (1333): plastic pails; Fusioncote drums—polyethylene-lined steel drums; steel shipping containers SPROUT, WALDRON & CO., INC. (1624): Panelok storage bin STAINLESS PRODUCTS CORP. (4423): stainless steel mixing and holding tanks; reinforced filament-wound glass fiber tanks STERLING-FLEISCHMAN, INC. (4626): convert-a-drum cone TERRISS-CONSOLIDATED INDUSTRIES (5027): stainless steel drums UNITED UTENSILS CO., INC., Sanitary Equipment Div. (3136): stainless steel drums, tanks, hoppers, and batch cans VAC-U-MAX (4909): feed bin for continuous process equipment VAPONICS, INC. (3074): pure-water storage tanks
Controllers see Instruments for process control
Conveying and handling equipment, accessories AUTOMATIC INDUSTRIAL MACHINES, INC. (4809): Tubetransit—flexible powder conveyor BUCKET ELEVATOR CO. (3216): CorraTrough belt elevator; sanitary Model V-4 bucket elevator; standard Model G-2 bucket elevator; 2-way air-operated diverter gate CARMAN INDUSTRIES, INC. (3513): vibrating conveyor CLEVELAND ARMSTRONG CORP. (3137): rolling-blade gate valves; lock gate; new camaction slide gate COMBUSTION ENGINEERING, INC., Industrial Gp. (2210): Ehrsam bulk handling conveying systems DOVER CORP. GROEN DIV. (4830): screw conveyor DUCON CO., INC. (3116): Fluo/veyor densephase pneumatic conveying system; Duo/ veyor dilute-phase pneumatic conveying system FMC CORP. WECO/Chiksan Div. (4632): loading arms KENNEDY VAN SAUN CORP. (3621): vacuumpressure and Moller spiral-type pneumatic pipeline conveying systems LITTLEFORD BROS., INC. (5210): new material handling system REX CHAINBELT, INC., Carrier Div. (1427): new dynamic booster conveyor, Model DB SPENCER TURBINE CO. (4642): pneumatic conveyor STERLING-FLEISCHMAN, INC. (4626): powered one-man drum lift TRIPLE/S DYNAMICS SUTTON, INC. (1715): 3-stage vibroaspirator and conveyor UNIVERSAL INDUSTRIES (4842): bucket elevator; belt conveyor VAC-U-MAX (4909): conveying hopper, Venturi powered, explosion proof; conveying hopper, vacuum-pump powered; remote Venturi power units WAUKESHA FOUNDRY CO., INC. (4820): custom designed fluid handling systems
Cooling, refrigeration, and air conditioning equipment CROLL-REYNOLDS CO., INC (3811): ChillVactor systems CUSTOM DRYERS, INC., Louisville Drying Mach. Div. (5233): rotary indirect dryer and cooler; rotary water tube cooler HANKISON CORP. (5217): new cooling units, air or gas; liquid chillers KELMORE, INC. (4732): explosion-proof refrigerator; laboratory-safe refrigerator NIAGARA BLOWER CO. (2439): No Frost equipment ST. REGIS PAPER CO., CP Div. (4835): new Model CR industrial refrigerant compressors HENRY VOGT MACHINE CO. (1434): refrigeration equipment WINSTON MFG. CORP. (3034): sample coolers
BETHLEHEM CORP., Process Equipment Div. (5226): dryers BOWEN ENGINEERING, INC. (2144): spray dryers; new fluid-bed dryers; new flash dryers COMBUSTION ENGINEERING, INC., Industrial Gp. (2210): dryers CUSTOM DRYERS, INC., Louisville Drying Mach. Div. (5233): rotary steam tube dryer; rotary direct heat dryer DE LAVAL SEPARATOR CO. (1528): pilotsized spray dryer J. P. DEVINE MFG. CO. (1821): rotary and conical vacuum dryers; vacuum shelf dryer; fluid-bed dryer; mixer granulator dryer FITZPATRICK CO. (1313): new stainless steel fluid-bed dryer HANKISON CORP. (5217): compressed air/ gas dryers IBEC, V. D. Anderson Div. (5209): synthetic rubber dewatering and drying equipment JEFFREY MFG. CO. (1527): 12 X 10 ft pilot plant fluid-bed dryer-cooler KAHN AND CO., INC. (4976): compressed air dryer KOCH ENGINEERING CO. (4339): new spray drying systems KOMLINE-SANDERSON ENGINEERING CORP. (1809): new spray dryer KOPPERS CO., INC., Metal Products Div., Hardinge Op. (2324): rotary dryers LUWA CORP. (5220): new thin-film dryers NATIONAL DRYING MACHINERY CO. (3427): continuous apron conveyor dryers; truck/ tray batch dryers; pilot or test dryers PALL TRINITY MICRO CORP. (1133): desiccant air dryers PATTERSON-KELLEY CO., INC. (1129): tubular vacuum dryer EDW. RENNEBURG & SONS CO. (3230): rotary dryers and coolers; flash, fluid-bed, and other drying equipment SPENCER TURBINE CO. (4642): aeration dryer STRONG-SCOTT MFG. CO. (5134): Solidaire dryer with sprayer condenser tower WHITING CORP., Swenson Div. (1319): 2stage fluid-bed dryer-cooler WYSSMONT CO., INC. (5115): Turbo-Dryer; Pneu-Dryer, fluid-bed type
Dust, grit, and oil collector equipment
see Grinders, crushers, mills
AERODYNE DEVELOPMENT CORP. (5235): type S dust collector; dust collector valves; oil skimmer; grit collector AERODYNE MACHINERY CORP. (4101): new HPEM series bag-type dust filter AMERICAN PRECISION INDUSTRIES, INC., Dustex Div. (5109): fabric collectors; mechanical collectors; cyclonic type; new bin vent collector BAILEY METER CO. (2240): smoke/dust density transmitter COMBUSTION ENGINEERING, INC., Industrial Gp. (2210): new dust collector FLUID ENERGY PROCESSING & EQUIPMENT CO. (3817): Jet-O-Clones, cyclone collectors JOY MFG. CO., Western Precipitation Div. (3627): Pulseflo filter dust collector; Turbulaire scrubber dust collectors RESEARCH-COTTRELL, INC. (1134): bag filter dust collectors SLICK CORP., Pulverizing Machinery Div. (2224): Mikro-Pulsaire dust collector W. W. SLY MFG. CO. (1621): Dyanclone dust collector; Pactecon dust collector
Data processing equipment
Ejectors
see Electrical and electronic equipment
see Pumps, ejectors, pump parts
Dryers
Electrical and electronic equipment, including computers and data processing equipment
Crushers
PAUL O. ABBE, INC. (1312): packaged 1 ft 3 Rota-Cone vacuum dryer BANGOR PUNTA CO., Bartlett-Snow Div. (2333): rotary dryers; fluid-bed dryers BANNER INDUSTRIES, Patterson-Ludlow Div. (1334): vacuum dryers
AUTOMATIC SWITCH CO. (3123): box solenoid enclosure
new splice
NOV. 10, 1969 C&EN 47A
PRODUCT DIRECTORY GENERAL ELECTRIC CO., Information Service Dept. (3426): new chemical engineering computer programs on GE time-sharing system INTERTECH CORP. (4322): new electronic control systems RELIANCE ELECTRIC CO., Toledo Scale Co., Div. (1327): new core memory unit—memory bank with power-off retention A. O. SMITH CORP. (2244): heavy industrial push buttons; machine tool relays; ac fullvoltage starters and contactors HERMAN H. STICHT CO., INC. (5232): electrical insulation resistance testers; electrical test equipment SYBRON CORP., Taylor Instrument Process Control Div. (1522): process-control computer; computer backup stations for direct digital control
Evaporators, crystallizers, thin-film processors ARTISAN INDUSTRIES, INC. (3314): evaporator stripper CHEMETRON CORP., Votator Div. (1634): agitated thin-film evaporator CHICAGO BRIDGE & IRON CO., Horton Process Div. (1812): evaporator; crystallizer FLUID ENERGY PROCESSING & EQUIPMENT CO. (3817): Jet-O-Driers, flash dehydration equipment KONTRO CO., INC. (4045): Ajust-O-Film horizontal and vertical thin-film evaporators LUWA CORP. (5220): evaporator PARKSON CORP. (4978): evaporators UNION TANK CAR CO., Unitech Co. Div. (4843): evaporators; crystallizers; fluid-bed processors
Extruders GLOBAL PROCESS EQUIPMENT, INC. (3611): kneader extruders NATIONAL DRYING MACHINERY CO. (3427): extruders
Fabrics, cloths, gauzes AMERICAN PLANT EQUIPMENT CO., Pronto Filters Div. (3422): filtration fabrics CAMBRIDGE WIRE CLOTH CO. (4927): industrial wire cloth; wire cloth fabricated parts TROY MILLS, INC. (4912): nonwoven synthetic fiber felts (Troyfelts) for filter materials, gasketing, construction materials, and vibration isolation materials
Fans, blowers, ventilators HELL PROCESS EQUIPMENT CORP. (1220): Rigidon exhaust fans; Rigidon ventilation equipment HEMCO CORP. (2709): glass-fiber exhaust fans
Feeders, fillers, loaders, presses ACRISON, INC. (4530): gravimetric feeders; volumetric feeders; recipro-pivotal hoppering equipment BLAW-KNOX FOOD AND CHEMICAL EQUIPMENT, INC. (2323): sanitary draver feeder (volumetric) CARMAN INDUSTRIES, INC. (3513): vibrating hoppers, gyrated and whirlpool types; vibrating feeders CARTER DAY CO. (1521): pneumatic conveying feeder FRED S. CARVER, INC. (1538): laminating press; hydraulic filter press; new motorized hydraulic pumping unit for above equipment CHEMICAL & PHARMACEUTICAL INDUSTRY CO., INC. (3110): dosing and filling machinery for ointments and liquids 48A C&EN NOV. 10, 1969
CHERRY-BURRELL CORP. (2117): Model 246 tableting press for pharmaceutical and chemical industry; T-5 Komage compacting press for ceramic and powdered metal industry CHICAGO CONVEYOR CORP. (4726): pellet feeder; elutriator CLEVELAND ARMSTRONG CORP. (3137): belt feeder CLEVELAND VIBRATOR CO. (4628): electric vibratory feeder machine FMC CORP., Syntron Div. (1625): heavy-duty vibratory feeders; Vibra-Flow vibratory screening feeder; Weight-Flow gravimetric feeders; bin vibrators HOWE RICHARDSON SCALE CO. (1622): gravimetric feeders JEFFREY MFG. CO. (1527): 4 X 8 ft 2motor mechanical feeder; solid-state electronic-type 1500 gravimetric feeder KANE AIR SCALE CO. (4422): cycle flow gravimetric feeder; belt-type gravimetric feeder; all-digital, low-cost, automatically programed batching system KOPPERS CO., INC., Metal Products Div., Hardinge Op. (2324): feeders ARTHUR G. MCKEE & CO., Taylor-Stiles Div. (3740): screw press MEC-O-MATIC, INC., subsid. Transunion Corp. (4035): chemical feeders; slurry feeders MERRICK SCALE MFG. CO. (4727): electronic gravimetric weigh-feeder PENNWALT CORP., Wallace & Tiernan Div. (2118): electronic gravimetric feeder PRATER PULVERIZER CO. (3516): rotary airlock feeders PULVA CORP. (1126): Corn-Bin feeder—rotary bin and table feeder ST. REGIS PAPER CO., CP Div. (4835): Bock filler and depositor SALINA MFG. CO., INC. (4836): Aerolock rotary-valve feeders SHICK TUBE-VEYOR CORP. (4627): rotary feeders and airlocks SMOOT CO. (4115): rotary airlock feeders THOMAS ENGINEERING, INC. (4000): new Manesty Mark III high-speed rotary tablet press; new Manesty Express high-speed single rotary tablet press; Accela Cota tablet coating pan VIBRA SCREW, INC. (5110): bin dischargers and bin activators; volumetric screw feeders; new gravimetric weigh belt feeders WYSSMONT CO., INC. (5115): self-cleaning Rotoscoop feeder, rotary type; clean-sight window
Filters, filter media, strainers, filter presses ALSOP ENGINEERING CORP. (2723): asbestos/cellulose filter media; pressure filters, sealed disk and pak; Seitz/Hormann plate and frame filters AMERICAN BRATTICE CLOTH CORP. (4965): filter media, natural and synthetic fabrics; filter bags, covers, and sheets for wet filtration; vacuum filter test leaf kit AMERICAN PLANT EQUIPMENT CO., Pronto Filters Div. (3422): vertical pressure leaf filter; tubular check filter; horizontal-tray filter BAUER BROS. CO., subsid. Combustion Engineering, Inc. (4916): Hydrasieve BIRD MACHINE CO., Process Equipment Div. (2339): Bird Young single-cell vacuum filter CAMBRIDGE WIRE CLOTH CO. (4927): filter leaves CARRIER CORP., Elliott Co. Div. (4943): liquid strainers CHEMETRON CORP., Votator Div. (1634): centrifugal discharge filter COLUMBIA FILTER CO., INC. (3049): pressure leaf filters; pad filters; filter fiber, asbestos-cellulose; filter pads, asbestos-cellulose CROLL-REYNOLDS ENGINEERING CO., INC. (3811): ClaRite precoat pressure filters DELTA P, INC. (3723): filters; pulsation snubber equipment DORR-OLIVER, INC. (2423): membrane systems DUCON CO., INC. (3116): new expandablebed filter, granular bed DURIRON CO., INC., Central Div. (2424): Durco horizontal tank filter
EIMCO CORP. (1615): extractor horizontal belt filter; EimcoBelt continuous belt filter; EimcoMet all-plastic filter ERTEL ENGINEERING CO. (2229): plate and frame filters; enclosed cylinder filter disks FILTERITE CORP. (4208): new Multi-Clean precoat filtration system; Uni-Seal filter cartridge sealing device; Diamond filter tubes, wound fiber disposable cartridge; filterite filters, vessels for disposable cartridges FLOTEC, INC. (4046): new filter systems for plating and etching use GAF CORP., Industrial Products Div. (3432): Snap-Ring calibrated filter bag; Feutron filter cartridges; Feutron synthetic fiber felt filter media KEENE CORP., Fluid Handling Div. (3820): chemical process filters KOMLINE-SANDERSON ENGINEERING CORP. (1809): vacuum filter KOPPERS CO., INC., Metal Products Div., Hardinge Op. (2324): filters MEGATOR CORP. (3087): Dolphin floating suction strainers and oil skimmers MILLIPORE CORP. (3039): Millitubes—cartridge-type membrane filters; Multiplates— high-volume filtration equipment NEWARK WIRE CLOTH CO. (1233): woven wire cloth; replacement screens for process equipment; U.S. standard testing sieves NORTH AMERICAN FILTRATION CO. (3072): vertical and horizontal pressure leaf filters; asbestos-cellulose filter materials PALL TRINITY MICRO CORP. (1133): new high-flow, low-pressure filter housing PER CORP., Systems Div. (4728): filtration units featuring dry waste disposal SETHCO MFG. CO. (4520): filament wound glass-fiber reinforced epoxy filter chambers T. SHRIVER & CO., INC. (2211): plastic filter plate with special features; shifting mechanism for ALP filter SMOOT CO. (4115): air filters SPARKLER MFG. CO. (1219): Model McRo-20 vertical-plate filter; Velmac trap filter; horizontal-plate filter; sample plastic filter plate STAR TANK & FILTER CORP. (1113): 12-in round filter press with stainless steel pump; 18-in round filter press with iron pump; 18-in square 2-stage filter press; 24in round filter press STRAIGHT LINE FILTERS, INC. (5053): pilot plant or semiworks straight-line, continuous, horizontal-belt vacuum filter TECHNICAL FABRICATORS, INC. (4133): cartridge filters; filter cartridges; synthetic filter cloth; rotary precoat filters TERRISS-CONSOLIDATED INDUSTRIES (5027): stainless steel plate and frame filter U.S. FILTER CORP. (3530): automatic drycake discharge filter; up-flow designed sand filter WINSTON MFG. CORP. (3034): strainers
Fittings, flanges, joints, nozzles, jets, steam traps AEROQUIP CORP. (2609): rotary joints; swivel joints; loading arms; ball-type expansion joints ALLOY PRODUCTS CORP. (4832): stainless steel sanitary fittings and valves AMERICAN INSTRUMENT CO., INC. (2233): fittings and valves, to 100,000 psi ARMSTRONG STEAM TRAP CO. (4223): steam traps ASTRO METALLURGICAL (3830): titanium fittings; titanium bolts and miscellaneous hardware CHEM FLOW CORP. (3707): reflux splitters (for distillation columns) CHERRY-BURRELL CORP. (2117): industrial stainless steel fittings CLARK-RELIANCE CORP. (4330): steam traps, bucket, thermostatic, disk, and float types CRAWFORD FITTING CO. (3526): new Swagelok 2-in tube fittings CROLL-REYNOLDS ENGINEERING CO., INC. (3811): FlexoDisc and FlexoLeed welded expansion bellows joints DE DIETRICH & CO. (3033): protection rings DOVER CORP., OPW Div. (4542): hard coated aluminum Kamlocks; Kamvalok
L 6 S G l y C O l S . W e C a n S h i p ! If that sounds like a modest headline, it's because the ethylene glycols (mono-, di- and tri-) continue in relatively snug supply. Fortunately, our latest and largest ethylene oxide plant (on stream mid '68) placed us in a good position to meet our customers' requirements in ethylene glycols. The myriad uses of these glycols have become rather commonplace, but we still have a detailed brochure that may be helpful and it's yours for the asking. More important, we're ready to ship these glycols now in virtually any quantity you require .. . Jefferson Chemical Company, Inc., P. 0. Box 53300, Houston, Texas 77052. Circle No. 41 on Readers' Service Card
Jefferson 074
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Randv sneakers endorsement for yourself. NATSYN® synthetic polyisoprene rubber has
helped make Randy sneakers standard equip ment in pro tennis and basketball. And earned them the signatures of standout pros like Bob Cousy, shown at his summer camp for boys. We're not going to tell you that NATSYN makes any difference in basketball scores. But it sure makes a difference for Randolph Rub ber Mfg. Co., the company that makes the sneakers. It means they don't have to clean, guillotine, premasticate or constantly curesample the rubber that goes into these shoes. (NATSYN polyisoprene comes in wrapped 75-lb. bales, bands within minutes and cures with almost boring regularity. ) Yet in other ways NATSYN isn't so different.
It consistently gives high tensile, tear strength, modulus, elongation and compression set val ues. And doesn't give problems getting light color matches. Today's NATSYN is better than ever, and now you havefivetypes to choose from ( see table). So if you haven't heard what NATSYN poly isoprene can do for you lately, clip the coupon. NATSYN is the best way to save processing steps —and still maintain your good name. GOODYEAR CHEMICALS DATA CENTER, DEPT.K-16, BOX 9115, AKRON, OHIO 44305. j Please send me data and samples of: | D NATSYN® 200 D NATSYN 400 D NATSYN 410 | D NATSYN 450 D NATSYN 405 I NAME
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Use this NATSYN rubber., . for these reasons.
|
ADDRESS CITY
NATSYN 200
Fast curing, good properties
NATSYN 400
Light color, best all-around polymer
NATSYN 410 NATSYN 450
Low Mooney (50-65) Oil-extended to cut costs
NATSYN 405
for thread, etc. Gel-free for
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IntroducinQ:
build-a-still It's a revolutionary new idea. And, like many revolutionary ideas, basically simple. Here's how it works. The basic parts of the still come as separate modules you can add on to one another. So the still expands as your needs grow. The basic Thermodrive™ Distillation System comes in a 50 gph configuration. When you need more, you simply bolt on another 50 gph module . . . again and again . . . all the way up to 1,000 gph. No need to tear down your old system. No need for major reinvestment. You expand.
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gph, Thermodrive costs 38% less than comparable conventional systems.
The standard system puts out pyrogenfree water in the 1 to 1.5 megohm range For higher purity, and an organic count below measurability, simply add on the Hi-Purity Chamber. Either way, Thermodrive produces distillate faster than anything before. Within seconds after start-up. Another revolutionary idea: an optional air-cooled condenser. It completely eliminates the need for cooling water. So it pays for itself. Fast. Price? At 300
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The Thermodrive Distillation System is a major advance in pure water technology. You ought to know about it. Call or write for our comprehensive catalog. Barnstead Company, 225 Rivermoor Street, Boston, Massachusetts 02132 Tel: (617) 327-1600.
B/JRNSTE/4U
SYBRON CORPORATION
EVER-TITE COUPLING CO., INC. (4833): 8-, 10-, and 12-in Ever-Tite cam-style couplings for airveying and liquid applications; 101 safety coupler; 2-, 3-, and 4-in dry break coupling FLUIDIZERP INC. (4933): couplings, sight tube FLUOROCARBON CO. (3032): fractional, metric fittings FMC CORP., WECO/Chiksan Div. (4632): swivel joints and wing unions GARLOCK, INC. (2617): Guardian 200 expansion joints HOKE MFG. CO. (1727): Gyrolok flareless tube fittings; quick disconnects IBEC, V. D. Anderson Div. (5209): steam traps LIF-O-GEN, INC. (2707): Chemodular gas fittings PARKER HANNIFIN CORP. (2623): brass and stainless steel tube fittings PARKS-CRAMER CO. (1710): jacketed swing joint HORACE T. POTTS CO., Speedline Fittings Div. (3113): corrosion-resistant tangential pipe fittings; T/D insert flanges; corrosion-resistant belled-end pipe fittings; jacketed pipe fittings and assemblies RED VALVE CO., INC. (3731): rubber expansion joints; rubber elbows RESISTOFLEX CORP. (3421): contour molded Teflon TFE expansion joints and bellows RKL CONTROLS, INC. (4619): Teflon-lined vibration eliminators and expansion joints SCHUTTE & KOERTING CO. (1637): water-jet eductors; steam-jet syphons SHICK TUBE-VEYOR CORP. (4627): line couplers SPRAY ENGINEERING CO. (4827): No. 2757 Spracool nozzle; whirling nozzles; squarespray nozzles STA-RITE INDUSTRIES, INC., Dairy & Food Equipment Div. (4944): stainless steel fittings SUN WELD FITTING CO. (3741): stainless steel welding fittings; new cupro-nickel welding fittings; aluminum welding fittings; Inconel return bends (LR and SR) H. O. TRERICE CO. (5125): steam traps VELAN VALVE CORP. (3810): steam traps VICTAULIC CO. OF AMERICA (5228): grooved pipe mechanical couplings; plain pipe mechanical couplings HENRY VOGT MACHINE CO. (1434): forged steel fittings, flanges, and unions YOUNGSTOWN SHEET & TUBE CO., Continental-Emsco Co. Div. (4905): quick-disconnect marine arm coupling; extra high pressure (15,000 psi) swivel joint; chemical swivel joints
Furnaces, ovens, heaters, kilns BANGOR PUNTA CO., Bartlett-Snow Div. (2333): tumble burner incinerator; rotary indirect heat calciners ECLIPSE BOILER DIV. (3109): liquid-tube heaters; vaporizers (organic fluid); steam boilers; return systems and tanks ENTOLETER, INC. (2529): thermal electric systems for impedance heating and hot oil systems FEN CORP., INC. (2829): crucible draw furnace HOTPACK CORP. (2727): new vacuum oven; high-temperature oven; furnace KENNEDY VAN SAUN CORP. (3621): incinerator LABORATORY EQUIPMENT CORP. (3435): high-frequency combustion furnaces
Gas generators and purifiers UNION CARBIDE CORP., Carbon Products Div. (2630): Ucar gas-purification systems
Gaskets and packings see Packings, seals
Grinders, crushers, mills PAUL O. ABBE, INC. (1312): pilot model chrome manganese steel ball mill; heavyduty, multiple-tier jar rolling mill
ALPINE AMERICAN CORP. (4523): 250 CW Contraplex wide-chamber mill BANNER INDUSTRIES, Patterson-Ludlow Div. (1334): ball mills BAUER BROS. CO., subsid. Combustion Engineering, Inc. (4916): hurricane pulverizerclassifier air attrition mill COMBUSTION ENGINEERING, INC., Industrial Gp. (2210): pulverizers ENTOLETER, INC. (2529): Centrimil impact mills; Alsteele plastic granulators FITZPATRICK CO. (1313): water-jacketed comminuting machine FLUID ENERGY PROCESSING & EQUIPMENT CO. (3817): Jet-O-Mizers, jet grinding mills GLOBAL PROCESS EQUIPMENT, INC. (3611): variable-speed 3-roll mill with hydraulic pressure; high-speed dispersers; 2-roll mill JACOBSON MACHINE WORKS, INC. (3094): Full Circle pulverator hammermill JEFFREY MFG. CO. (1527): Mini-Mill all-steel AB swing hammer mill KINETIC DISPERSION CORP. (3729): Kady Mill high-speed dispersion mill; Kadyzolver dissolver KOPPERS CO., INC., Metal Products Div., Hardinge Op. (2324): grinding mills LOURDES INSTRUMENT CORP. (4938): JetMogenizer MAJAC, INC. (3437): jet pulverizer; air impact pulverizer ARTHUR G. MCKEE & CO., Taylor-Stiles Div. (3740): high-speed grinder FRANKLIN MILLER, INC. (3232): pipeline delumpers; roll mills; delumper crushers; wax chippers N. HUNT MOORE & ASSOC. (4036): Bauermeister production model turbo mill MOREHOUSE-COWLES, INC. (3816): sand mill PRATER PULVERIZER CO. (3516): pulverizer PREMIER MILL CORP. (3214): sand mill PULVA CORP. (1126): Pulva-Sizer—pulverizer-hammer mill; dual-roll crusher PULVAIR CORP. (2812): laboratory and production fluid-energy pulverizer RIETZ MFG. CO. (4532): size reduction disintegrator CHARLES ROSS AND SON CO. (3607): 3-roll mills SLICK CORP., Pulverizing Machinery Div. (2224): Mikropulverizer; Mikro ACM pulverizer STEDMAN FOUNDRY AND MACHINE CO., INC. (3042): new single-cage King mill; multirow King mill STRONG-SCOTT MFG. CO. (5134): new Pulvotrol pulverizer for coarse- to medium-size reduction of solid,s, with close control of particle sizing; Pulvocron pulverizer SWECO, INC. (3617): motor for new line of higher horsepower Sweco Vibro-Energy grinding mills; multichamber vibro-energy grinding mill TORSION BALANCE CO. (2828): electric mortar grinder, Model MG-2 TROST EQUIPMENT CORP., subsid. Platomer Corp. (2824): Gem-T research-model jet mill; TX laboratory jet mill; T-15 pilot plant jet mill UNION PROCESS, INC. (1721): batch attritor; continuous attritor; high-speed attritor
Heaters see Furnaces, ovens, kilns
Heat exchangers, heat transfer materials and equipment, condensers AMERICAN HEAT RECLAIMING CORP. (1531): spiral heat exchangers; plate heat exchangers; Ramen Lamella heat exchangers AMERICAN HYDROTHERM CORP. (5238): new salt dilution heat transfer system for pilot plants AMERICAN STANDARD, Heat Transfer Div. (3742): plastic bonnets for heat exchangers and shell and tube heat exchangers APV CO., INC. (1222): new RIO Paraflow plate heat exchanger; corrosion-resistant plates ASTRO METALLURGICAL CORP. (3830): t i tanium heat exchanger; titanium coil
BETHLEHEM CORP., Process Equipment Div. (5226): heaters/coolers BORG-WARNER MECHANICAL SEALS (4041): heat exchangers CARBONE CORP. (3829): Bonite Polybloc and CL heat exchangers CHEMETRON CORP., Votator Div. (1634): seraped-surface heat exchanger COMBUSTION ENGINEERING, INC., Industrial Gp. (2210): heat exchangers and cooling towers COMBUSTION EQUIPMENT ASSOCIATES, INC. (3842): direct-contact heat exchangers; product coolers DEAN PRODUCTS, INC. (1234): new Tydean titanium panel coil for chemical processing; Hyflodean large cross sectional flow passage heat exchange panel coil for process cooling DE LAVAL SEPARATOR CO. (1528): Contherm scraped-surface heat exchanger DOW CHEMICAL CO., Functional Products & Systems Dept. (5131): Dowtherm A, heattransfer media E. I. DU PONT DE NEMOURS & CO., INC., Heat Transfer Div. (3133): shell and tube heat exchangers with tubes of Teflon fluorocarbon resin; Supercoils and immersion coils FANSTEEL, INC. (2223): tantalum heat exchangers; tantalum tapered condensers; tantalum bayonet heaters GEA AIREXCHANGERS, INC. (4960): aircooled heat exchanges; steam condensers; top column condensers JOY MFG. CO., Western Precipitation Div. (3627): Holo-Flite processor—screw conveying heat exchanger KONTRO CO., INC. (4045): scraped-surface heat exchangers LUWA CORP. (5220): high-temperature distillator; reboiler PAUL MUELLER CO. (4640): Temp-Plate heat transfer surface NIAGARA BLOWER CO. (2439): Aero Vapor condenser PATTERSON-KELLEY CO., INC. (1129): heat exchangers REX CHAIN BELT, INC., Carrier Div. (1427): fluid-bed heat transfer unit complete with controls RIETZ MFG. CO. (4532): Thermascrew—screw conveyor heat exchanger STEWART-WARNER CORP., South Wind Div. (3029): heat exchangers THERMON MFG. CO. (4805): heat transfer cements; heat transfer units—panels for heating of vessels; electric heat tracing systems TRANTER MFG., INC. (1423): plate-type heat exchangers; jacketed vessels; drum warmers HENRY VOGT MACHINE CO. (1434): heat exchangers
Homogenizers see Colloid mills, homogenizers, dispersers
Industrial materials CARBONE CORP. (3829): Bonite Plybloc absorbers DOW CHEMICAL CO., Functional Products & Systems Dept. (5131): new ceramic foam; new Thurane fire-retard ant rigid urethane foam E. I. DU PONT DE NEMOURS & CO., INC., Plastics Dept., Fluorocarbons Div. (4003): Teflon fluorocarbon resins HEIL PROCESS EQUIPMENT CORP. (1220): Rigiline protective coatings, thermosetting linings, and monolithic floor toppings LIF-O-GEN, INC. (2707): Chemisphere gases and mixtures OAKITE PRODUCTS, INC. (3413): Strad No. 2 corrosion inhibitor; new Colorcid acidic rust remover and descalant corrosion inhibitor; antifoulant No. 2 PATTERSON-KELLEY CO., Pocono Fabricators, Inc., Div. (1129): Pre-Krete ceramic-cements; new fast-set Pre-Krete PITTSBURGH CORNING CORP (5237): Foamglas insulation; Unibestos; Temp-Mat; Pittwrap NOV. 10, 1969 C&EN
•Circle No. 14 on Readers' Service Card
53A
PRODUCT
DIRECTORY
Instruments for process control, regulators, controllers ALADDIN ELECTRONICS, Aladdin Controls Div. (4031): new continuous-level indicator/controller; capacitance-type level controller; thermal conductivity-type level controller; electrical conductivity-type level controller AMERICAN METER CONTROLS, INC. (1338): batching and blending instruments; recording instruments; indicating meters ANACON, INC. (4128): solid-state process refractometer; new near-infrared liquid process analyzer BADGER METER MFG. CO., Instruments Div. (3038): new pulse rate to dc converter for flow control; remote batch controller for liquid metering; low-loss flow tubes for measuring liquids, slurries, gases, and steam BAILEY METER CO. (2240): new solid-state oxygen analyzer; new low-head process computer transmitter; electronic edgewise indicator BARBER-COLMAN CO. (4125): new series 530 and 540 solid-state controllers BLUE WHITE INDUSTRIES (4980): new F-400 series flowmeters; pitot-tube and flowthrough flowmeters BROOKFIELD ENGINEERING LABORATORIES, INC. (3431): Viscosel pneumatic process viscometer; Viscometran electronic process viscometer BURLING INSTRUMENT CO. (1823): temperature controls CAMBRIDGE SYSTEMS, INC. (EG&G, INC.) (3092): 880 and 992 water-vapor (dew point) analyzer CLARK-RELIANCE CORP. (4330): direct reading liquid level gages; boiler water column Leva I arm system CLAYTON MARK & CO., Fluid Dynamics Div. (4924): new Marktron electric actuator; fluidics controller CONAX CORP. (4323): temperature-sensing devices; electrical penetrations for nuclear applications; nuclear thermocouples CRANE CO. (2218): meters DANIEL INDUSTRIES, INC. (4622): Model 1203 differential pressure transducer; Model 1209 static pressure transducer; CR meter (small-flow turbine meters); new Model 1806 time-share totalizer (turbine meter counter) DELAVAN MFG. CO. (4631): Sonac ultrasonic bin level control; Sonac ultrasonic liquid level control; Sonac ultrasonic general switching and sensing controls; proximity control DELTA SCIENTIFIC CORP. (3098): series 8000 automatic continuous monitor/controllers; Model 8012 automatic continuous pH monitor/controller; "no-electrode" continuous conductivity monitor DEZURIK CORP. (3415): mass rate meter DISTILLATION ENGINEERING CO. (3242): automatic reflux controller DREXELBROOK ENGINEERING CO. (4012): level control; belt-scale measuring system DWYER INSTRUMENTS, INC. (4954): RateMaster flowmeters; Magnehelic gages for low-pressure use; Photohelic switch gages; low-pressure switches T. A. EDISON INDUSTRIES, Instrument Div. (3418): temperature and pressure monitoring systems; miniature circular chart recorders ELECTRIC THERMOMETERS, INC. (3070): platinum resistance temperature sensors; platinum resistance thermometer elements; nylon connection heads for temperature sensors ELECTRO-SENSORS, INC. (4815): Inventrol, sonar continuous inventory control; BinLevetrol, dry bulk, materials level control; Auto-Fil-Scanner, multiple bin level control monitor; Rotector, zero speed indicator EMERSON ELECTRIC CO., Brooks Instrument Div. (3246): Brooks-Oval positive displacement flowmeters; rotameters; totalizing bulk water meters; turbine flowmeters and new read-out instruments A. H. EMERY CO. (4908): dial indicators; photoelectric set point control; batch control systems 54A C&EN NOV. 10, 1969
ERTEL ENGINEERING CO. (2229): coding machines FAIRCHILD HILLER CORP., Industrial Products Div. (3833): new high-low relay; Models 21 and 4700 adjustable-ratio relays FISCHER & PORTER CO. (2510): Swirl meter, volumetric gas flowmeter FISHER CONTROLS CO. (3434): series 2340 electronic transmitter FLO-TRONICS, INC. (4923): level controls GALIGHER CO. (3715): samplers GULTON INDUSTRIES, INC., Rustrak Instrument Div. (4319): new 300 series dualwidth recorder; Model 200 series current and voltage recorders; Model 292 series event recorders; Model 292 dissolved-oxygen recorders HACH CHEMICAL CO. (2814): engineered control panels HALLIKAINEN (4114): Diacon moisture analyzer; Setaflash flash-point indicator HANKISON CORP. (5217): Dewmeter, dewpoint instrument HASTINGS-RAYDIST (3411): linear mass flowmeters for gases; vacuum gages; flare stack flowmeter; air-velocity instruments HEINRICH FRINGS c/o BEAMAN CO. (4950): Alkograph process control, determines volatile content of liquid by boiling point with and without volatile HONEYWELL, INC., Industrial Div. (2217): VutroniK electronic miniature instrumentation; ElectroniK 111, 193, and 194 potentiometric process and lab/test recorders ITT BARTON (4447): new precision turbine meters; new electronic temperature transmitter; new electronic static pressure transmitter; new P delta P transmitter JARRETT ELECTRIC, INC. (4973): electric motor control panels; pneumatic instrumentation JERGUSON GAGE & VALVE CO. (1125): standard level gages and valves; magnetic level gage; Truscale level gage—mercury manometer for boiler water level; new flat glass boiler water level gages KAY-RAY, INC. (4051): new level systems; density systems; moisture systems KENE CORP., Fluid Handling Div. (3820): turbidimeter; flow sights; elements KINNEY VACUUM CO. (1221): vacuum gages LI F O G EN, INC. (2707): Chemodular regulators MEC-O-MATIC, INC., subsid. Transunion Corp. (4035): flowmeters MILLIPORE CORP. (3039): 1640 s e q u e n c e r electronic automatic programed device for sequentially operating valves MILTON ROY CO. (2123): automatic chemical analyzers MINE SAFETY APPLIANCES CO. (1328): water-vapor analyzer, Model 900; process gas chromatograph, Model 650 MOISTURE REGISTER CO. (4042): Model CB continuous moisture meter; Model G8 batch-type instrument; Model G9 process instrument; Model PM8 moisture tester MONITOR MFG., INC. (4441): new aerating pads; bin level controls; new percentage of motor load indicators and recorders; speedmotion controls MOTOROLA INSTRUMENTATION & CONTROL, INC. (4537): Veritrak performance optimizing controller; new Veritrak Model 56PA absolute pressure transmitter NATIONAL SONICS CORP. (3046): Model 100 dry level sensing system; Model 310S high gain liquid level sensing system; Model 360S cryogenic level sensing system; U.L.approved liquid level systems NORCROSS CORP. (2611): in-line viscometer; viscometer for chemical reactors; temperature-compensated viscometer; checker viscometer OLKON CORP., Contraves Viscometer Div. (4813): DC-42 process in-line viscometer; DC-20 process viscometer with chemical control loop; Covistat viscometer PALL TRINITY MICRO CORP. (1133): multipoint thermocouples PRECISION PRODUCTS & CONTROLS, INC. (2714): research controls, diaphragm and piston actuated with positioners; research controls, vacuum and pressures up to 60,000 psi; Precon electronic repeat-cycle circuit controllers RELIANCE ELECTRIC CO., Toledo Scale Co. Div. (1327): new pneumatic scale—full pneumatic printer, tare, cut-off; hopper batching system with control panel; load cell tank display switching unit with remote digital read-out device
ROBERTSHAW CONTROLS CO. (4427): Microsen industrial process controls; level and bulk measuring instruments; Nucleonic process controls; vibration monitoring systems ROBERTSHAW CONTROLS CO., Fulton Sylph on Div. (4431): new electronic controller; new program controller; self-operated temperature, pressure, and level regulators; gages ROCKWELL MFG. CO. (1623): gas and liquid meters THERMO ELECTRIC (3414): 3-mode temperature controller; portable temperature indicator; multipoint temperature recorder THERMON MFG. CO. (4805): temperature controls TOKHEIM CORP. (4333): rotary- piston- and flow-type positive-displacement meters H. O. TRERICE CO. (5125): thermometers; pressure gages; temperature controls PENNWALT CORP., Wallace & Tiernan Div. (2118): sonar manometer; rotameters and instrumentation; pressure instruments SCHUTTE & KOERTING CO. (1637): rotameters for precision fluid flow measurement STATIC "O" RING PRESSURE SWITCH CO. (4039): pressure switches; differential pressure switches C. W. STEVENS, INC. (4112): 3000 series Sonargage; new Model 4000 Sonarscope; new Model 3400 underwater Sonargage HERMAN H. STICHT CO., INC. (5232): electrical tachometer systems STRAHMAN VALVES, INC. (3813): thru-vision and reflex liquid-level gages SYBRON CORP., Taylor Instrument Process Control Div. (1522): transmitters, level and pressure; Quick-Scan design 3 X 6 X 18 in instruments UEHLING INSTRUMENT CO. (2736): pressure and vacuum gages; Tank-O-Meter liquid level gages; mercurial barometers; inclined manometers WAUKESHA FOUNDRY CO., INC. (4820): metering pumps, rotary action, accuracy 0.5% WEST INSTRUMENT CORP., subsid. Gulton Industries, Inc. (4219): new 300 series temperature controls; 700 series temperature controls; 600 series temperature controls; 90 series temperature controls WINSTON MFG. CORP. (3034): instrument housings YEOMANS-CLOW CORP. (3077): Auto-Dox dissolved-oxygen sensing device ZERO-MAX CO. (3622): tachometers ZETA-METER, INC. (2718): Zeta meter
Joints see Fittings
Kettles see Reactors, kettles
Kilns see Furnaces, ovens
Laboratory furniture and service appliances ALBERMAR CO. (2533): Alberene stone table tops; Alberene stone sinks; Alberene stone perchloric fume hoods BEL-ART PRODUCTS (2825): safety eye station S. BLICKMAN, INC. (2839): Cantiflex cantilevered laboratory furniture; Roll-A-Flex flexible laboratory furniture; chemical fume hoods; stainless steel vacuum chamber HEMCO CORP. (2709): glass-fiber fume hood; glass-fiber tissue culture hood; glass-fiber bacteriological hood JOHNS-MANVILLE SALES CORP. (2731): Colorlith asbestos cement sheets for laboratory table tops, etc.; Colorceran asbestos cement sheets for laboratory use; Thermostone 2-hr U.L. fire-rated building panels
Chemical With chlorine it's loaded.
ΈΒ&
SYLVANIA
GENERAL TELEPHONE & ELECTRONICS
The organic glow.
Talk about crazy valence systems. Molybdenum will combine with 2, 3, 4, 5 and 6 chlorine atoms (MoCh to MoCU). The most important member of this halide family is molybdenum pentachloride, which we sell. We sell it in crystalline form, carefully packed in glass bottles in a dry, inert atmosphere. Because it's oxidationprone and hygroscopic. (It's also volatile when heated a little.) As soon as you leave it around in air, it becomes an oxychloride of some kind. Which is OK if you want oxychlorides. Or if you're trying to derive hydrogen chloride from moist air. What's nice about our stuff is that it's uncommonly pure, and you can get uncontaminated molybdenum out of it since it contains no other metals. You can do this with dry hydrogen. In a two-body col lision with H2 at 900° C, the M0CI5 vapor yields a very fine powder of the metal. You can make it a three-body collision by providing a substrate, whereupon the sub strate will be coated with molybdenum. The purpose may be protective or catalytic. M0CI5 is also chemically active in solution. Again, the point is to avoid oxidation. This leaves a wide range of organic solvents that will happily enfold our product: chlorinated hydrocarbons such as CCU, and anhydrous solvents such as ethers, alcohols, ketones, esters, etc. In some cases, there's a reaction when it dissolves. You can use M0CI5 to chlorinate aromatic rings. It's possible to chlorinate phthalic anhydride partially or completely. M0CI5 has been suggested as a Lewis acid catalyst in organic reactions. Some people are mixing M0CI5 with plastics, lending them fire retardance and possibly cross-linking the poly mer. We're the only people who sell it. There's a fact-laden data sheet that goes into details. But the ultimate fact dispenser is us. Write.
Note carefully what happens when some panicky mole cule drops back to the ground state. If it's been hit by a UV photon and throws out a wavelength that makes sense to the eye, it's fluorescing. If it also has a conjugated structure decorated by aromatic rings, it's an organic phosphor. Possibly ours. We hope it is. Not that we have anything against inorganic phosphors. In fact, we manufacture more of them than any other kind. But organics deserve their innings. Take the simple fact that organics dissolve and inor ganics don't. That puts each in a different ball park. With organics, it's the molecule itself that fluoresces. With inorganics, it's the basic crystal structure, so you've got to have fair-sized particles to start with. Sometimes these don't work out so well. For instance, you can dissolve an organic phosphor in a volatile organic solvent to make a fluorescent ink for a felt marking pen. Inorganic particles would just clog up the felt. A dissolved phosphor deposits smoothly and dries out in the form of microcrystals. Organic phosphors are soft; inorganics are abrasive. Used in paint, organics won't wear out the rollers or other parts of the paint-making machine. Organics are generally brighter than inorganics under "black" light. Many have intense colors of their own in ordinary light, so you can use them as regular pigments with a built-in bonus of fluorescent color. The list of possible uses is long. (Think of how many dark places there are.) Use organics to give ordinary day time materials a special nighttime look. Create dramatic effects in theaters. Apply them in crime detection, map making, effluent tracing. (Finely powdered organics are so light, they blow around like cornstarch—so you can even use them to trace air currents.) We're hoping this glowing tribute will get you to think organically and encourage you to get in touch with us if you come up with a bright idea. Touche.
Pentalollipop MoCVs deliciously simple structure. Three Cl's form an equilateral triangle at the equator. Two hover over the Mo atom at the north and south poles. This is the gas phase (it's a dimer in crystal form).
Sometimes you can make points just by quoting the dictionary. As suppliers of molybdenum compounds to catalyst manufacturers, two sentences from the Encyclopedia of Chemical Technology touched our chemical-peddling hearts: "Molybdenum compounds may function as principal catalysts and also as activators and promoters of other catalysts. Particularly in the reactions involving petro leum and natural gas, the frequent interchangeability of sulfur and oxygen in molybdenum compounds is a highly useful property, since traces of sulfur may poison other catalysts but not those of molybdenum."
We're always glad to talk to you about tungsten, molybdenum and phosphor chemistry. Sylvania Metals & Chemicals, Chemical and Metallurgical Division, Towanda, Pa. Circle No. 60 on Readers' Service Card NOV. 10, 1969 C & E N
55A
UOP's Sustane® antioxidants help prolong the life of cosmetics.
UOP*s chemicals assist plating compounders m formulating products which serve the plating industry.
UOP's Slstane® h ^ H i U p ' l i l l l prepared foods aMi^WMfr^ff^gs
fresh.
UOP's phenylenediamine antiozonants help retain the liveliness in rubber products.
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Enter the ageless age UOPanti-aging chemicals help lead the way. UOP chemicals fight aging on many fronts. They resist deterioration, oxidation, weathering and many other threats to product life. Because the problems of preserving effectiveness vary widely, we've developed a broad line of anti-aging chemicals. They prolong the lives of products from chrome bumpers to cereal packages, from pharmaceuticals to processed foods. Photographic chemicals, cosmetics, dyestuffs, rubber products and plastics... all stay effective longer with UOP anti-aging chemicals. And leather and nylon retain color and life, thanks to UOP organic intermediates. Enter the Ageless Age. Write or call now for full information about UOP anti-aging chemicals. UOP Chemical is a division of Universal Oil Products Company, a half billion dollar company making life better through research and product innovation around the world. UOP Chemical Division, East Rutherford, N.J. 07073, U.S.A. 201/438-7800.
DP UDP CHEMICALS tlPi*
'5P^ ••»'•
WmmKm-
And UOP's pharmaceutical i n t e r m e d i a t e s . . . s u c h as p r o p i o p h e n o n e , benzyl alcohol, palmitoyl chloride, anisyl alcohol, benzyl cyanide, p-nitrophenol and p-methoxy phenylacetic acid . . . help protect and extend human life.
PRODUCT DIRECTORY Nil LABORATORY FURNITURE, INC. (2744): laboratory benches and tables; fume hoods; storage cases and cabinets; library furniture PERIMAIR CO. (2713): laboratory furniture; laboratory fume hoods; laboratory counter tops TERRISS-CONSOLIDATED INDUSTRIES (5027): laboratory sink
Laboratory ware, instruments, apparatus ALSOP ENGINEERING CORP. (2723): laboratory filtration equipment AMERICAN STERILIZER CO., AMSCO Industrial Co. Div. (2728): new Sparkle II laboratory glassware washers; laboratory-size sterilizers ANACON, INC. (4128): new ir moisture analyzer; new ppm oxygen analyzer APY CO., INC. (1222): laboratory-size heat exchanger BEL-ART PRODUCTS (2825): graduated pails and pitchers; poly hand pumps C. W. BRABENDER INSTRUMENTS, INC. (2818): Plasti-Corder torque rheometer; Absorpti-Corder absorption tester; TexturoMeter texture tester; Visco-Corder viscometer BROOKFIELD ENGINEERING LABORATORIES, INC. (3431): Thermosel hot-melt viscometer; Synch ro-Lectric laboratory viscometer CALIFORNIA PELLET MILL CO. (5011): CLtype 3 laboratory pellet mill CANNON INSTRUMENT CO. (2732): viscometers; constant temperature baths; viscosity standards; cold-cranking simulators FRED S. CARVER, INC. (1538): laboratory press CORNING GLASS WORKS (1422): new digital 4-channel ion selective analyzer CRAWFORD FITTING CO. (3526): gas chromatography fittings; glass transition fittings DOVER CORP., Groen Div. (4830): stainless steel laboratory vacuum kettle FEN CORP., INC. (2829): laboratory pulverizer FITZPATRICK CO. (1313): new Chilsonator GREAT WESTERN MFG. CO. (1130): type HL laboratory sifting machine HOTPACK CORP. (2727): water baths INTERTECH CORP. (4322): Uras-2, nondispersive ir analyzer; new Picos, trace gas analyzer; new flame ionization detector KAHN AND CO., INC. (4976): super pressure autoclaves LABORATORY EQUIPMENT CORP. (3435): direct reading simultaneous nitrogen-oxygen determinator for steels; direct reading wide range carbon determinator; automatic sulfur determinator for metals and other materials LIQUID DYNAMICS (1712): Model 1801 laboratory-size Quadronic centrifugal extractor assembly; Model 1801 laboratory-size Quadronic centrifugal separator assembly LONDON CO. (2712): new conductivity meter; new automatic titrator; new expanded scale pH meter; specific-ion meter METTLER INSTRUMENT CORP. (2813): P5 automatic bench scale; TM15 digital thermometer; P1000 top-loading balance N. HUNT MOORE & ASSOC. (4036): Bauermeister UTL laboratory powder mill OHAUS SCALE CORP. (2832): new 770 percentage moisture determination system; 310 Dial-O-Gram; 6010/6100 moisture determination balances; Autogram 1000 OLKON CORP., Contraves Viscometer Div. (4813): RM-15 laboratory viscometer OREGON METALLURGICAL CORP. (3030): zirconium fusion crucibles SCIENTIFIC DEVELOPMENT CO. (2732): constant-temperature baths SONIC ENGINEERING CORP., subsid. Conwed Corp. (4734): new Model A laboratory Sonolator SPEAKMAN CO. (4723): laboratory safety equipment 58A
C&EN NOV. 10, 1969
•
/ "
N
*
CH CHs
*
CHC00CH2CH3
DMF reflux
o-
_State_
Zip
-Telephone.
CH3 l C-CH 2 C00CH 2 CH 5
56% Yield
J
t)DMF
Circle No. 23 on Readers' Service Card NOV. 10, 1969 C&EN
59A
One of these
Experimental Molybdenum Chemicals could be the one you're looking for. Each has been expressly formulated by Climax to help you explore new processes and products: Molybdenum Naphthenate (Type 1) Molybdenum Trichloride Dibenzoate (Molybdenum Trichloride
PRODUCT DIRECTORY CONAX CORP. (4323): sealing glands
pressure and v a c u u m
CRANE PACKING CO. ( 3 8 0 8 ) : mechanical shaft seals f o r p u m p s , agitators, mixers, and turbines; mechanical packings and gaskets f o r valves, p u m p s , flanges, and piping; dry bearings for corrosive service, and piston rings DURAMETALLIC CORP. ( 4 5 2 1 ) : D u r a seals ( m e c h a n i c a l s e a l s ) ; Dura m e t a l lie p a c k i n g (jam or compression packings) FLUOROCARBON CO. (3032):
FCS T e f l o n seal
GARLOCK, I N C . (2617): TFE g a s k e t t a p e ; Chemiseal mechanical seals; Garfite 100, graphite filament soft packing PLASTIC AND RUBBER PRODUCTS CO. (4442): O-rings; c u s t o m - m o l d e d r u b b e r p r o d u c t s ; Parcote T e f l o n - c o a t e d r u b b e r p r o d u c t s ; Parco-Fluor c o r r o s i o n - r e s i s t a n t r u b b e r S C I E N T I F I C DEVELOPMENT CO. (2732): Pak p r o t r u d e d - m e t a l p a c k i n g
Pro-
U N I O N C A R B I D E CORP., C a r b o n P r o d u c t s Div. (2630): G r a f o i l g a s k e t s a n d p a c k i n g
Packing, column
Sodium 12-Molybdosilicate Molybdenum Tetrachloride
Molybdenum (III) Acetylacetonate Molybdenum Tetrachloride Dipyridine Molybdenum Oxytrichloride Molybdenum Oxytetrachloride Ammonium 5-Molybdocobaltate (III) Ammonium 6-MoIybdocobaltate (III) Ammonium 6-Molybdoaluminate (III) Ammonium 6-Molybdochromate (III) Ammonium 6-MolybdonickeIate (II) Molybdenyl Bis-Acetylacetonate Molybdenum (VI) Oxalate Ammonium 9-MoIybdonickelate (IV) Ammonium 6-Molybdoferrate (III)
Data sheets and research quantities on any or all of these chemicals mailed on request. Write: MOLYBDENUM
CLIMAX MOLYBDENUM COMPANY An A A j ^ P ^ L Division One Station Plaza Greenwich, Conn. 06830
see Waste treatment
Power drives, speed controllers FAIRCHILD HILLER CORP., I n d u s t r i a l Produ c t s Div. ( 3 8 3 3 ) : V a r i - C h a i n v a r i a b l e - s p e e d drive F M C CORP., Peerless P u m p (3743): speed drive A.
O. S M I T H CORP. d r i v e dc d r i v e
(2244):
variable-
Pulsar
static
ZERO-MAX CO. ( 3 6 2 2 ) : v a r i a b l e - s p e e d d r i v e s ; o v e r l o a d p r o t e c t o r s ( t o r q u e l i m i t e r s ) ; oneway clutches
Precipitators see Centrifugals
see Feeders, fillers
Pressure equipment Pipe, tubing, ductwork, hose, related materials ACF I N D U S T R I E S , INC., W-K-M Valve (3716): key p i p e j o i n t c o m p o u n d s C H E M I Q U I P CO. (3412):
Molybdenum Dioxydichloride
Pollution control equipment
Presses
CHEM-PRO E Q U I P M E N T CORP. (3058): NeoKloss c o l u m n p a c k i n g (low p r e s s u r e d r o p ) ; H y p e r f i l c o l u m n p a c k i n g ; m i n i - t r a y s (cartridge-type, small column tray assemblies)
12-Molybdophosphoric Acid 12-MolybdosiIicic Acid
S N A M PROGETTI, SPA (4052): r e f i n e r i e s a n d design; petrochemical plants and design
CORNING piping
GLASS
GAF CORP., I n d u s t r i a l new p r e s s u r e vessel
SALINA M F G . CO., I N C . (4836): Pull-Pack v a c u u m - p r e s s u r e u n i t
(1422):
Div. ( 3 4 3 2 ) : reverse
air
Div.
pipe-thread sealant
WORKS
Products
process
J O H N L. DORE CO. (5119): T e f l o n (FEP)-lined p i p e a n d f i t t i n g s ; K y n a r (VF2)-lined p i p e a n d f i t t i n g s ; p o l y p r o p y l e n e - l i n e d p i p e a n d fitt i n g s ; c h e m i c a l t r a n s f e r hose
Processes S N A M PROGETTI, process
SPA
(4052):
new
urea
ETHYLENE CORP. (3326): Flexijoints, TFE m o l d e d p i p e c o u p l i n g s , 1- t o 24-in d i a m e t e r ; C h e m i p i p e , TFE-lined p i p e , f i t t i n g s , spargers, and dip t u b e s ; Polytet 77, TFE bearing pads and pipe slides
Processing equipment: aerators, digesters, humidifiers
LEAD I N D U S T R I E S A S S O C , I N C . ( 3 8 1 4 ) : p l u m b i n g f o r c h e m i c a l use
A R M S T R O N G STEAM TRAP CO. (4223): midifiers; liquid drainers; air vents
lead
hu-
M I C H I G A N PIPE CO., S a r a n L i n e d Pipe Co. Div. ( 5 1 3 3 ) : Kynar- a n d TFE-lined steel p i p e O W E N S - I L L I N O I S (2724): glass pipe; drainline
ARTISAN I N D U S T R I E S , I N C . (3314): Rotot h e r m E; R o t o t h e r m H B E T H L E H E M CORP., Process E q u i p m e n t Div. (5226): B e t h l e h e m p o r c u p i n e p r o c e s s o r
PARKER H A N N I F I N CORP. tubing and fittings
B I R D M A C H I N E CO. high-speed aerator
(2623):
plastic
RESISTOFLEX CORP. (3421): high-temperat u r e , c o r r o s i o n - r e s i s t a n t steel p i p e a n d fitt i n g s l i n e d w i t h T e f l o n TFE, T e f l o n FEP, Kynar, a n d p o l y p r o p y l e n e A. O. S M I T H - I N L A N D , I N C . , R e i n f o r c e d Plast i c s Div. ( 2 2 4 4 ) : Poly T h r e a d glass-fiberr e i n f o r c e d v i n y l e s t e r p i p e a n d f i t t i n g s ; Red Thread glass-fiber-reinforced epoxy pipe and f i t t i n g s ; Green T h r e a d glass-fiber-re i n f o reed e p o x y p i p e a n d f i t t i n g s ; C h e m l i n e glassf i b e r - r e i n f o reed epoxy p i p e a n d f i t t i n g s SYBRON CORP., Nalge Co. Div. (4541): tic piping systems T O K H E I M CORP. (4333): TRIANGLE C O N D U I T & IPM m e t a l - r e i n f o r c e d preinsulated pipe
plas-
l i q u i d hose reels CABLE CO. ( 4 1 2 0 ) : p l a s t i c p i p e ; X-50
Plants: design and construction, pilot plants ABCOR, I N C . ( 4 0 1 0 ) : LC-12 l i q u i d c h r o m a t o g r a p h y p i l o t p l a n t ; UF-3 u l t r a f i l t r a t i o n p i l o t p l a n t ; GC-65 g a s c h r o m a t o g r a p h y p i l o t p l a n t CHEM-PRO E Q U I P M E N T CORP. (3058): packaged p i l o t p l a n t s HAVEG I N D U S T R I E S , I N C . , C h e m i c a l Equipm e n t Div. ( 2 4 1 0 ) : process d e s i g n HAVEG I N D U S T R I E S , INC., G l a s c o t e P r o d u c t s Div. ( 2 3 0 9 ) : p r o c e s s d e s i g n H E I N R I C H F R I N G S c / o B E A M A N CO. ( 4 9 5 0 ) : complete full-size and pilot reactors or fermenters
(2339):
Bird-Simplex
C A L I F O R N I A PELLET M I L L CO. (5011): CPM Whirly cleaner/dresser C A R M A N I N D U S T R I E S , I N C . (3513): d e n s i f i e r C H E M I C A L & PHARMACEUTICAL INDUSTRY CO., I N C . ( 3 1 1 0 ) : M o d e l WSG-5 f l u i d - b e d spray granulator CLARK-RELIANCE CORP. (4330): new d r y steam type humidifier DOVER CORP., G r o e n Div. ( 4 8 3 0 ) : series 3 7 2 concentrator DURAMETALLIC CORP. (4521): Dura p r e s s u r e u n i t s (oil c i r c u l a t i n g s y s t e m s ) H E I N R I C H FRINGS c / o BEAMAN CO. ( 4 9 5 0 ) : aerator, gas-liquid c o n t a c t i n g device f o r chemical and biological use; defoamer, mec h a n i c a l f o a m b r e a k e r f o r c h e m i c a l a n d biological processes HAVEG I N D U S T R I E S , I N C . , Glascote P r o d u c t s Div. ( 2 3 0 9 ) : G l a s c o t e (glass-lined) p r o c e s s vessel IBEC, V. D. A n d e r s o n Div. ( 5 2 0 9 ) : s t e a m a n d gas purifiers; grain and dog food processing equipment LITTLEFORD BROS., I N C . ( 5 2 1 0 ) : Rotoplast plastic processing system PAUL M U E L L E R CO. ( 4 6 4 0 ) : photographic d i s p l a y of s t a i n l e s s steel c h e m i c a l processing equipment PROTECTIVE PLASTICS CO. (4635): reinforced plastic f u m e hoods, f u m e ducts, and processing equipment U N I O N C A R B I D E CORP., C a r b o n P r o d u c t s Div. (2630): Ucar graphite slide supports OTTO H. YORK CO., I N C . ( 1 6 0 9 ) : Demister mist eliminator, entrainment separator
Circle No. 21 on Readers' Service Card 60A
C&EN NOV. 10, 1969
Circle No. 51 on Readers' Service Card
>•
Penn Drake White Mineral Oils and Petrolatums
It's .no. picnic without
The food processing and packaging applications for these highly versatile and innocuous Penn Drake products could stock a s u p e r m a r k e t For example, FDA approved Penn Drake White Mineral Oils and Petrolatums serve the industry as divider oils, slab dressings, protective coatings, evaporation and foam control agents, egg preservatives, and production lubricants. Just check our shopping list below.
Apples, Pears, Cucumbers, Tomatoes Protective Coatings, Wraps Drakeol 7 N.F.
And, even if your needs are not culinary, but you are interested in a lubricating, plasticizing, softening, tacktfying, or detackifying agent that not only improves the performance and quality of your product or process as well as reduces your cost, then we probably have a White Mineral Oil or Petrolatum that will fill that need. Why not find out You can, simply etuming this coupon.
by
enn drake Libations Evaporation and Foam Control Drakeol 7 N.F.
HITE MINERAL OILS PETROLATUMS
Agent
efining Company Bldg.· Butler, Pa. 16001 Hard Candy Slab Dressing Drakeol 7 N.F.
Peas, Lima Beans, Etc. Froth Flotation Agent 2251 Froth Flotation Oil
7* -«s?»»'·^
wmm^rMmmmœmmmmmMmmm,jrc\or&~ Bread and Pastries Divider Oil, Trough Grease Bakeol, Tro-Grees
as^se&d eas wmÊmruwm mimmmmmmums^Mh
hîte^ i n f o r m a lοϊΨοη:
¥MB&rQàmMBka™nOT^a^agîn§ Applications ienura;
Π Other
uctanci Application Information ase specify)^ _ _ _ _ _ _ _
Name
Title
Company Address City
State
Pennsylvania Refining Company D e p a r t m e n t 6982 ' Union National Bank Building
Zip
PRODUCT
DIRECTORY
Publications
Ψ YOU MEAN . . . ^ YOU BOUGHT CANNED PUMPS WITHOUT CONSULTING
AMERICAN CHEMICAL SOCIETY (2640): Chemical & Engineering News; Environ mental Science & Technology AMERICAN INSTITUTE OF CHEMICAL ENGI NEERS (4633): Chemical Engineering Prog ress; International Chemical Engineering ASSOCIATION OF CONSULTING CHEMISTS & CHEMICAL ENGINEERS, INC. (4027): direc tory of test laboratories and consultants GORDON PUBLICATIONS, INC. (4024): Chem ical Equipment, new product publication serving the chemical process industries GULF PUBLISHING CO. (3035): Hydrocarbon Processing; Hydrocarbon Processing re prints; Hydrocarbon Processing catalog; technical books LITTON INDUSTRIES, Reinhold Publishing Corp. (1612): advertising management ACS publications: Chemical & Engineering News, Environmental Science & Technol ogy; Reinhold catalogs: Chemical Engi neering Catalog, Chemical Materials Cata log; Van Nostrand Reinhold: scientific and technical books MCGRAW-HILL, INC. (2523): Chemical Week; publications for chemical process industries PUTMAN PUBLISHING CO. (3709): Chemical Processing; What's New in Chemical Proc essing Equipment; Food Processing; Plant Services
THE EASTERN CATALOG ON ZERO-LEAKAGE À , UNITS? A
k
Pulverizers see Grinders,
crushers
Pumps, ejectors, pump parts
—THE BETTMANN ARCHIVE
Too bad, old man! You would have seen that their exclusive Servo-Thrust Control ends bear ing wear due to thrust. That exclusive rotating bear ings with carbon or steel ele ments last many times longer. Advanced design with internal filtration helps, of course! And stator burnout, that old devil in canned pumps, is out. Electrical characteristics are ab solutely first rate. Temperature range from cryogenic to hightemp, heat transfer.
Exclusive,entirely In ternal Flow Through System of coolant liquid. Exclusive Rotating Bearings — Carbon Sleeve bearings rotate with shaft in easily replace-, able cap-type) journals. /
Stator remov able with ordi nary shop tools, can be replaced or rewound eas ily in the field.
ntegral's exclusive thrust control device — maintains hydraulic thrust balance at all times by servo feed back.
See for yourself: Can't afford downtime, you know. Next time if you need up to 700 gpm, at up to 330 feet of head, Go Eastern, Old Man!
Send for Catalog 610.
tfP
EASTERN
INDUSTRIES
A Division of Laboratory For Electronics, Inc. 1 0 0 Skiff Street • H a m d e n , Connecticut 0 6 5 1 4
Circle No. 24 on Readers' Service Card
62A
C&EN NOV. 10, 1969
AMERICAN INSTRUMENT CO., INC. (2233): pumps, industrial and laboratory, to 60,000 psi AMERICAN LEWA, INC. (3819): metering pumps AMERICAN METER CONTROLS, INC. (1338): pumps APV CO., INC. (1222): APV Kestner vertical centrifugal glandless pump ARTISAN INDUSTRIES, INC. (3314): steamjet ejectors AURORA PUMP (4436): AVS turbine-type chemical pump; horizontal split-case pump; end suction pump; fire pump BECKSON MFG., INC. (3053): plastic hand pumps for acids BLUE WHITE INDUSTRIES (4980): C-600 and C-1500 series chemical metering pumps BRAN & LUBBE, INC. (3096): Univerdos VEC32/J52 precision metering pump CABOT CORP. (1314): Chemtrol pumps, series CP-3000 and CP-10,000 CARBONE CORP. (3829): Reku plastic cen trifugal pumps CHEMICAL & PHARMACEUTICAL INDUSTRY CO., INC. (3110): peristaltic tube pump assembly CRANE CO. (2218): vertical process pump; Fianite centrifugal pump; combination dia phragm and plunger heads CROLL-REYNOLDS CO., INC. (3811): steamjet evactors DEAN BROTHERS PUMPS, INC. (5225): new AVS in-line centrifugal process pumps; AVS chemical pumps; high-temperature process pumps; seal guard systems DORR-OLIVER, INC. (2423): pumps DURIRON CO., INC., Central Div. (2424): Durco T-line pump EIMCO CORP. (1615): new all-plastic cen trifugal pump FANSTEEL, INC. (2223): tantalum-lined pumps and valves FLOTEC, INC. (4046): variable-flow positivedisplacement pumps; centrifugal and flexible-impellor pumps; flying-vane pumps FLUOROCARBON CO. (3032): Saturn pump FMC CORP., Peerless Pump (3743): chemical process pumps; vertical pumps FOSTER PUMP WORKS, INC. (5122): new RR series low-viscosity, high-pressure pump; slurry positive-displacement pump; highviscosity rotary pump; corrosion-resistant rotary pumps
Look at what you can do with Pfizer's versatile monomers Itaconic and fumaric acids.
SUGGESTED COPOLYMER SYSTEMS PLUS Fumaric Acid
Itaconic Acid
Dimethyl Itaconate Dibutyl Itaconate
Butadiene Polyols Styrene
VIA
Alkyd and varnish 1 resins Condensation (and subsequent Improved drying oils polymerization) Latex adhesives Emulsion Polyester and rosinadduct resins
Acrylonitrile Bulk Alkylene oxides Condensation Emulsion Butadiene Solution Polyhydric alcohols Suspension Styrene Acrylonitrile Butyl aery late Methacrylonitrile Methyl methacrylate Styrene Vinyl acetate Vinyl chloride
Y I E L D 1
Bulk Emulsion Solution Suspension
Alkyd resins Laminating resins Latex adhesives Lube oil additives Potting and casting resins Synthetic fibers Textile adhesives Latex adhesives and coatings Lube oil additives Plasticizers Synthetic fibers Thermoplastic resins
These unsaturated dibasic acids have a wide range of polymer applications. Their unusual multi-functionality results in some highly specialized and unique properties. Itaconic acid, for example, improves the adhesive properties of latices. And its diesters are equally versatile. Itaconic and fumaric acids are monomers available in quantity from Pfizer. Ask your Pfizer representative about them. Or, write our nearest Regional Office direct for technical literature.
Pfizer CHEMICALS DIVISION Chas. Pfizer & Co., Inc. Biochemical Dept. 230 Brighton Road Clifton, New Jersey 07012 Telephone: (201) PR3-5500
Chas. Pfizer & Co., Inc. Biochemical Dept. 6460 West Cortland Street Chicago, Illinois 60635 Telephone: (312) TU9-9162
Circle No. 54 on Readers' Service Card
MOV. 10, 1969 C&EN
63A
PRODUCT DIRECTORY
You're seeing double Just a bit of u twinbolism" to make the point that our FYROL® Bis-Beta has a double bond. We arranged it that way to give you a unique reactive monomer for copolymerization in polyester resin formulations. And potentially for use in latex systems. Other flame retardant compounds and intermediates we're particularly proud of include: bis (beta-chloro-
ethyl) beta-chloroethyl phosphonate, the rest of our FYROL series, tris (2-chloroethyl) phosphite, and our line of dialkyl phosphites. Would you like technical data on our FYROL Bis-Beta? Or on the other compounds or intermediates? Use the Stauffer coupon below . . . mail today.
STAUFFER CHEMICAL COMPANY Specialty Chemical Division 299 Park Avenue, New York, NY 10017 Please send: • Technical data on your FYROL® Bis-Beta. • Technical data on_
NameCompany-
FWI, INC. (4443): high-pressure reciprocating plunger pump GALIGHER CO. (3715): pumps GORMAN-RUPP CO. (3028): solids handling pumps; metering pumps; self-priming centrifugal pumps HOUDAILLE INDUSTRIES, INC., Viking Pump Div. (3071): heavy-duty 316 stainless steel, positive-displacement pumps; sanitary, take-apart, 316 stainless steel pumps with integral reducer; heavy-duty, direct-connected, high-speed, positive-displacement pumps INTERPACE CORP., Lapp Process Equipment Div. (2524): Pulsafeeder diaphragm metering pumps; Masterflo, Microflo, and Hydratube models; Pulsatrol pulsation dampeners ITT JABSCO, Fluid Handling Div. (4447): new 17000 pedestal mounted and 17020 motor pump unit %-in epoxy pump; PE 25-P4 epoxy pump; P-25-P2 plastic pump; new centrifugal chemical pump ITT MARLOW (4447): new in-line centrifugal pumps; new high-pressure piston pumps; Vane Flo solids handling straight centrifugal pumps; electric, close-coupled Simplex diaphragm pump KINNEY VACUUM CO. (1221): high-vacuum pumps; high-vacuum systems; liquid pumps KOBE, INC. (3068): high-pressure plunger pumps for cryogenic fluids, very high pressures, and chemically active fluids KONTRO CO., INC. (4045): seal-less magnet drive pumps LADISH CO. (1633): variable-speed pump LAWRENCE PUMPS, INC. (3338): molten salt pump with vertical cantilever shaft construction; refrax-lined slurry pump; propeller pump; chlorine pump LFE CORP., Eastern Industries Div. (5137): centrifugal pumps; seal-less pumps MANTON-GAULIN MFG. CO., INC. (1709): high-pressure pumps ARTHUR G. MCKEE & CO., Taylor-Stiles Div. (3740): torque-flow pump MEGATOR CORP. (3087): sliding-shoe pump; acid-resisting pumps; high-suction pumps MILTON ROY CO. (2123): controlled-volume pumps; new Chemroy pump NEPTUNE CHEMICAL PUMP CO. (4439): high-pressure diaphragm pump; chemical feed systems OWENS-ILLINOIS (2724): new Cer-Vit pumps PENNWALT CORP., Hills-McCanna Div. (5035): proportioning pumps ROBBINS & MYERS, INC., Moyno Pump Div. (4527): chemical processing pumps; water pollution control and industrial wastes pumps; food processing pumps; Maz-ORator sludge and industrial wastes pumps ROY E. ROTH CO., Turbine Pump Div. (1820): refinery, chemical, cryogenic, and industrial pumps ST. REGIS PAPER CO., CP Div. (4835): positive pump with Kynar rotors SERVICE FILTRATION CORP., Serfilco Div. (4340): magnetic coupled, seal-less, leakproof, centrifugal pumps; vertical, nonmetallic, sump-type, centrifugal, seal-less pumps; horizontal, nonmetallic, centrifugal, external mechanical seal pumps SETHCO PUMP CO. (3537): Sethco-Sethrin filament-wound glass fiber pumps; plastic and stainless steel centrifugal seal-less magnetic pump; sump pumps SIGMAMOTOR, INC. (3099): metering pumps; sampling pumps; acids pumps STA-RITE INDUSTRIES, INC., Dairy & Food Equipment Div. (4944): Kynar centrifugal pump TERRISS-CONSOLIDATED INDUSTRIES (5027): sanitary pump TOKHEIM CORP. (4333): high-vacuum doubleaction hand pumps UNION PUMP CO. (3220): centrifugal pump; power reciprocating pump; steam pump
VANTON PUMP & EQUIPMENT CORP. (1229): Address City-
-State-
Circle No. 52 on Readers' Service Card
64A
C&EN NOV. 10, 1969
_Zip_
new hollow-shaft sump pumD; all-plastic sump pump; all-plastic centrifugal pump; all-plastic, seal-less Flex-i-Liner pumps WALLACE-MURRAY CORP., Schwitzer Div. (4225): 3000 and 4500 series industrial air pumps; 193 and 325 series pumps; C-series air power units; glass-fiber inlet pump air filters
Most oxygen monitors detect one part in a million. Ours does it 209 times faster. (That makes it one in a million. maybe?)
Why did we make the Westinghouse Model 209 Oxygen Monitor the fastest you can buy? Because with oxygen detection, time is critical. In non-combustible gas production, metal treatment, food and pharmaceutical processing, silica manufacture, and chemical production, seconds count when it comes to oxygen. A batch has to be reprocessed or even scrapped. Processing equipment can be damaged. The Westinghouse Oxygen Monitor gives
you better than one-part-Jn-a-million answers (0.8 ppm) in well under one second. In time to let you (or it) make the right adjustments. It's used whenever oxygen must be detected in non-combustible gases.. For combustible gases, ask about our newly designed, portable, paramagnetic model 150. For full details on both, call or write Fred Hammett, Westinghouse Specialty Electronics Division, 7800 Susquehanna Street, Pittsburgh, Pa. 15221. Code412-256-5192.
You can be sure... if its
Westinghouse ( g ) Circle No. 65 on Readers' Service Card
PRODUCT DIRECTORY WARREN PUMPS, INC. (4955): new line of standard screw pumps WAUKESHA FOUNDRY CO., INC. (4820): positive-displacement, rotary industrial pumps WORTH INGTON CORP. (2534): chemical pumps YEOMANS-CLOW CORP. (3077): pneumatic ejectors
Reactors, kettles
KENITE Dl A T O M IT E
FILTERAIDS • MINERAL AIDS • EXTENDERS
Naturally, there are good sentimental reasons to be interested in Kenite Diatomite; but we prefer the more practical considerations. Take the matter of service, of consistent quality, or the matter of technical accuracy in processing and classification. These are solid grounds. Ask for our brochure. It has a minimum of poetry in it and a generous amount of useful information. Our fast-growing list of consistent customers is a logical result of Kenite's accurate specifications and performance.
NJTE C^
CORPORATION
%
YE KEN
KENITE
nverhill Bui Overhill Building, Scarsdale, N.Y. 10583 Tel. 914 SC 3-8110 Circle No. 43 on Readers' Service Card
Brighton and Hamilton engineering and sales personnel are looking forward to seeing you at |WflW, the show in booth no. 2110 S t r O O f t IKMfÔfl
DEC.I'S 1969
'mm Mm
mm*?'-§€%&&&
66A
CORPORATION
MOSTELLER
C&EN NOV. 10, 1969
& HAMILTON
ROAD, C I N C I N N A T I Circle No. 17 on Readers' Service Card
see Cooling,
refrigeration
Safety equipment for plant and personnel T. A. EDISON INDUSTRIES, Instrument Div. (3418): uv fire detection systems and flame safeguard controls and scanners MINE SAFETY APPLIANCES CO. (1328): sound level meter, Model 2205; noise exposure monitor, Model 165 PROTECTOSEAL CO. (5126): safety containers; drum fittings; pressure, vacuum relief valves; flame arresters SPEAKMAN CO. (4723): emergency shower; eye wash; eye-face wash HERMAN H. STICHT CO., INC. (5232): explosion-proof enclosures TRANS CONTINENTAL ELECTRONICS CORP. (4966): safety shower WORTHINGTON CORP. (2534): fire pumps
Scales, industrial weighing equipment
mmmitmm
BRIGHTON
Refrigeration equipment
'
1ΙΙΡ#§ΙΙ1#ϋ
1 1 8 6 1
BETHLEHEM CORP., Process Equipment Div. (5226): reactors BRIGHTON CORP. (2110): dimple-jacketed stainless steel reactor with Bright-On finish; Model E-110-A 10-gal pilot reactor system; 60-gal CW steam-jacketed kettle with triple action agitator CHEMINEER, INC. (5114): high-pressure bench scale reactor; polished stainless reactor DE DIETRICH & CO. (3033): glass-lined reactor DISTILLATION ENGINEERING CO. (3242): general-purpose reactors; automatic reflux head DOVER CORP., Groen Div. (4830): stainless steel agitator steam-jacketed kettle FIRST MACHINERY CORP., Falcon Mfg. Div. (4020): stainless reactors and tanks HAVEG INDUSTRIES, INC., Chemical Equipment Div. (2410): phenolic-asbestos composite process vessels PAUL MUELLER CO. (4640): reactors RESISTOFLEX CORP. (3421): Teflon TFE reaction vessel components SYBRON CORP., Pfaudler Co. Div. (1415): 1000-gal glassed-steel reactor with worm gear drive and ceramic-metal accessories; 1000-gal stainless steel reactor with "dimpled" Inconel jacket
KETTLE OHIO
DIV. 4 5 2 4 1
BROOKLINE INSTRUMENT CO. (4026): digital readout weighing scales, from 10 to 100,000 lb capacity; automatic batching system CARDINAL SCALE MFG. CO. (3138): fluidic controls for weight control (explosion proof); potentiometric controls for weight control; digital weight indicators A. H. EMERY CO. (4908): hydraulic load cells HOWE RICHARDSON SCALE CO. (1622): DigiTronic digital weight display indicator; new Speed-AC bulk hopper scale control panel
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When you say " f i l l - e r - u p " to J. T, Baker, w e take you at your w o r d . In fact, a full tank of our specialty gas contains 2 5 % more gas than you get in the older manganese steel c y l i n ders. T h e " s e c r e t " is o u r n e w lightweight chrome-moty steel cylinder that's so strong t h e wall thickness c a n be reduced t o allow more space f o r the gas. it also enables us t o fill t o a 1 0 % higher pressure. So, when you buy from J . T. Baker, you order 3 cylinders instead of 4 t o get t h e same amount of gas. That figures out t o a 2 5 % savings in freight, handling, space and demurrage. A n d in case you're w o n d e r i n g , o u r cylinders have standard connections that will fit your present handling system f o r laboratory a n d process gas applications. To make t h e picture even more attractive, J . T. Baker leases its cylinders on a pay-as-you-use system that doesn't require a payment in advance (deposit). That immediately releases idle cash you have on deposit elsewhere and puts it back into your c o m p a n y . . . where It can earn a cash value equal t o your current return o n i n v e s t m e n t Now you know
ΜΟΟ^ΗΒΙ^3
s o m e of the reasons w e claim our c o m b i n e d lighter cylinder leasing system saves you money. In fact, w e guarantee it, To find out how, fill \n the c o u p o n and mail it to J . T. Baker . . . t h e c o m p a n y you can rely on f o r " e x t r a v a l u e " in spe cialty gases, laboratory and industrial chemicais. Gentlemen: I'd like you to prove that the J. T. Baker light weight cylinder/teasing system can save me money. Name_ TitleCompanyAddress City_
-States
_Zip„
J.T.Baker
J. T. BAKER CHEMICAL CO, SPECIALTY GAS DEPT. K-22 222 RED SCHOOL LANE / PHILLIPSBURG, N.J. 08865
Precious, when precision is required quickly
PRODUCT
Screens, sifters, vibrators
New Leco STANDRINGS Steel Standards for Carbon and Sulphur Fast, accurate calibration — without weighing — is now possible through the use of the new Leco Standrings. Each Standring weighs 1 gram, is 15mm in diameter. The % carbon and % sulphur are shown on the container. Leco Standrings, available for immediate delivery, are the economical replacement for conventional standards in all induction furnace carbon and sulphur applications. They come packaged in 1 lb. (454 gr.) containers. Order Leco STANDRINGS in the following ranges: Part N o .
% C
% S
501-502
0.08
0.03
501-503
0.17
0.03
501-504
0.40
0.02
501-505 501-506
|
0.65
0.03
0.90
0.01
LECO LABORATORY EQUIPMENT CORPORATION 140 HILLTOP ROAD ST. JOSEPH, MICHIGAN 49085 Circle No. 44 on Readers' Service Card 70A C&EN NOV. 10, 1969 -
•
lï!T5Ml Filter Master The next οιroblem he solves could he yours* W h e n you need help, Johns-Manville is ready*. / Example. A filtration hitch at a Texas plant slowed production down t o half norrrfal output. A J-M|Celite* filtration engineer got there fe|t. A n d llyexl with the problem around the cldclt. Bay after day. Until he solved it* *. f J-Mf filter/ aict experfence spans 50 yegrs. Sd jour technical Service files are tlie mos% ^ m p l e t e anywheres Including sjeiitig wp or correcting just dboiit any lill^ati^rl process using/filter aids. J F
