NEW LITERATURE
Pumps. Pump bulletin features top-ofthe-line pumps, including the Varistaltic, Cassette, .and Dispenser Pumps, along with applications. Manostat Corp. 172 Strip-chart recorder. Catalog lists stripchart recorders that can provide readouts of humidity, pH, dissolved oxygen, voltages, and many other parameters. One recorder has 24 channels. Galvanometric and servo. Gulton Industries, Inc. 173
Heat recovery. Bulletin, “Waste Heat Recovery Units,” tells how enough fuel can be saved to permit possible 1-2 year payback of investment. Beltran Associates, Inc. 151 Sanitary chemicals. Booklet SAN-300-13 is a revised list of sanitary chemicals, including cleaning agents, surfactants, deodorants, and antiseptics. Other applications are listed. Rohm and Haas Co. 152 Waste treatment. Brochure describes chemicals and services for complete wastewater treatment, including sludge, oil emulsions, foam, odor, and other problems. Dearborn Chemical (US.) 153 Environmental equipment. Catalog/directory/buyers’ guide produce listings cover air and water pollution control equipment catalog listings by product. Three pages of listings. Koch Engineering Go., Inc. 154 Dust collector. Bulletin 4000 describes high-efficiency jet-pulse fabric filter with two-thirds less moving parts. Engineering features are fully discussed. American Precision Industries Inc. 155 Ocean equipment. Catalog lists and describes ocean water samplers, instruments, pressure vessels, camera systems, and other equipment for oceanographic applications. Benthos, Inc. 156 Surveying calculator. Bulletin No. 5952-9128 describes surveying calculator system and programming for field use and mapping. Land-use applicationspossible. Hewlett-Packard 157 Microbiocide. Two technical papers explain how chlorine dioxide can be successful biocide for cooling towers and oxidant for wastewater treatment. Presented at WWEMA conference, Houston, Tex., March. Olin Corp. 158 Mud remover. Company has information as to how mud fouling in cooling water systems can be eliminated with commensurate cost savings. Metropolitan Refining Co., Inc. 159 Zeta potential control. Bulletin 149 tells how zeta reader is used to read zeta potential and facilitate small particulate settling in liquid wastes, especially in the paper industry. Komline-Sanderson. 160 Filtration. Information packet discusses fully applications, installation, and main-
tenance of filter housings, drains, tubes, and related products. Balston, Inc. 161 Fly ash collection. Technical paper features a selection of fly ash collection systems. Designs and effects of particle size and fly ash loading characteristics on performance are covered. UOP Inc. 162
Waste treatment. Bulletin TXAR-EA-75 describes waste treatment plants with hopper-type clarifiers, 10 000-25 000 gpd, for small subdivisions, mobile home parks, and the like. Factory assembled. Can-Tex Industries 174
Recovered water. Booklet explains how to obtain distilled water from wastewater-soluble emulsions and other discarded industrial solutions. Hoffman Filtration Systems 163
Spectroscopy. Application Note AN-40 explains the use of silicon-barrier detectors for improved timing and energy-resolution performance in heavy-ion and fission-fragment spectroscopy. Ortec Incorporated 175
Noise analysis. Brochure describes a new model community noise analyzer, especially suited to baseline evaluation. Resolution 0.25 dB with digital readout. B&K Instruments. Inc. 164
Textile size recovery. Brochure describes recovery of synthetic sizing agents such as polyvinyl alcohol and carboxymethyl cellulose from desize wastes by unique ultrafiltration method. Abcor Inc. 176
Analytical chemicals. Analytical Chemicals Catalog, focused on classical wet chemical methods and special products, is now available. Hach Chemical Co. 165
Instruction in analysis. Bulletin SEO-5698 describes 54 audio-visual instruction courses with equipment and accessories for analysis, including pH, enzymology, ultraviolet and infrared, and spectrography. Beckman Instruments, Inc. 177
Aeration costs. Bulletin 450 charts performance and costs of aerated-facultative lagoons. Oxygen transfer/dispersion data, and design details for U.S. and Canadian installations are given. Hinde Engineering Go. 166
Tank level readouts. Data sheet describes tank level reading instrumentation, with alarming subsystems, even for levels of hazardous (Class I) substances. Metritape, Inc. 178
Sewer pipes and fittings. Brochure TRX-11 describes the company’s PVC gravity sewer pipes and fittings for conveying domestic sanitary sewage. Johns-Manville 167
Recycled water use. Case history tells how maker of elemental phosphorus was able to switch from fresh water to recycled water during production. Vibra Screw Incorporated 179
Three-gas sampler. Bulletin 2441 shows a sampler that can sample up to three different pollutant gases simultaneously, and features a unique thermoelectric system for maximum SO2 sample accuracy. Research Appliance Co. 168
Laboratory instruments. “What’s New for the Laboratory” No. 98 lists “tall” pH meters, pipetting systems, environmental chambers for microbiology, and balances. SGA Scientific 180
Refuse control. Booklet A-1821 explores factors in refuse handling from source to final disposal, and shows many aspects of solid waste management. Booklet A1818 is a guide to proper equipment se169 lection. John Deere Analytical instruments. FaWwinter issue of Instrument News has articles on gas chromatography, infrared NMR, fluorescence, and many other types of precise analytical instrumentation. Perkin-Elmer 170 Fabric filter. Brochure shows Norfelt HE Fabric Filter, explains how it is engineered, and lists many applications. En171 virotech/Buell
Power transmission. Bulletin GPC-76 describes gear reducers, clutches, and other power transmission devices used in paper-making, sewage treatment, chemicals, and other applications. Flender Corp. 181 Sludge collectors. Bulletin 315-65 describes non-metallic chain sludge collector that wears better than cast chain
Need m o r e information about any /terns7 i f so j u s t circie the appropriate numbers on one of the reader service cards bound into the back of this issue and m a / / in the card N o stamp is necessary Volume 11, Number 4, April 1977
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and eliminates the need for two men with block and sledge hammer (€S&T, December 1976, p 1198). Envirex 182 Power plant optimization. Brochure PSG-4786 tells how to reduce unscheduled downtime at fossil power plants. Combustion Engineering, Inc. 183 Oil reclamation. Data sheet on Petro-Clar PI-1010 outlines applications and design features of 300-600 gph oil reclamation systems. Velcon Filters Inc. 184 Fabric filters. Three brochures explain in detail the new line of Pulse Jet Fabric
Filters the company is offering for dust control. Construction details and operating features are given. Johnson-March Corp. 185 Scale inhibition. Two data sheets describe a non-phosphate, non-chromate corrosion inhibitor for cooling systems, and chelating agents for scale inhibition in boilers. Alken Murray Corp. 186 Ball valves. Bulletin No. 1208 describes ball valves that combine long wear life and leak-tight shutoff for low- and high-pressure saturated steam, superheated steam, and hot water. Hills-McCanna Co. 187
Multi-stage pumps. Bulletin 722.9 describes Low Flow-High Head Multi-Stage pumps for petrochemicals, hydrocarbons, reverse osmosis, and other low-flow applications. Goulds Pumps, Inc. 188 Continuous weighing. Bulletin 460 describes “Weightometer” belt scale and Model DS digital weight measurement system. Merrick Scale ManufacturingCo. 189 GC/MS. Pub. 23-5952-5808 describes gas chromatograph/mass spectrometer (GC/MS) data system, and gives steps for analysis of a lake water sample. Hewlett-Packard 190 Slurry equipment. Brochure describes slurry trench and diaphragm wall equipment and supply information. Company supplies complete slurry construction equipment systems. Resource Management Products 191 Line filters. Catalog SF-1 1 announces heavy-duty hydraulic line filter installable between valve outlet and tank, or between tank and pump inlet. Works to 300 psi and -60 to +300 OF. The Lenz Co. 196 EIS. Brochure outlining rapid, economic methods for writing environmental impact statements (EIS) for major construction projects is available. The Research Corporation of New England. 197 Solvent recovery. Technical brochure outlines activated carbon adsorption process for solvent recovery for reuse of air pollution control. In many cases, investment pays off. American CECA Corp. 198 Oil spills. Report No. 7/76 describes spillages from oil pipelines in Western Europe. Stichting CONCAWE, Van Hogenhoucklaan 60, The Hague 2018, The Netherlands (write direct). Ground water modeling. Prediction of ground water resource behavior. USGS Circular 737. Branch of Distribution, USGS, 1200 South Eads St., Arlington, VA 22202 (write direct). The Wash Water Storage Scheme, a report on the ecological studies. The Wash is a bay on the North Sea coast of England. Natural Environment Research Council, Alhambra House, 27/33 Charing Cross Road, London WC2H OAX, England (write direct). Noise definition. Documentation of research into noise pollution and its minimization. Office of Information, Air Force Systems Command, Andrews AFB, MD 20334 (write direct).
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Environmental Science & Technology
Clean Communities. Redesigned Clean Community System Bulletin illustrating behavioral approach. Keep America Beautiful, Inc., 99 Park Ave., New York, NY 10016 (write direct).
