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IN T H E WORKS...
Manuscripts Accepted for Publication within the Next Three Issues of I f E C
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Controlling the Effects of Manganese in the Viscose Process
Alkylation of Aromatics w i t h 1-Alkenes
D. K. Smith, W. J. Alexander, and R. 1. Mitchell Rayonier Inc., Whippany, N. J.
Alfred C. Olson California Research Corp., Richmond, Calif.
Direct application of manganese catalyst to the pulp results i n greater process flexibility, reduced aging time, and improved viscosity control. Its influence on each processingstep is discussed
Discusses the isomers formed by alkylation of aromatics with 1-alkenes. Composition of arylalkane mixtures are different when made with hydrofluoric acid, sulfuric acid, or aluminum chloride catalysts. Reaction mechanism also depends on the catalyst used
Terephthalic Acid b y Single-Stage Oxidation
The Plate Heater-a
Continuous Flow-Type Reactor
J. C. Morgan, R. A. Troupe, R. D. Anderson, Thomas Cavanaugh, and
William F. Brill Olin Matheson Chemical Carp., New Haven, Conn.
Arutun Maranci Northeastern University, Boston, Mass.
The ketone activated, cobalt catalyzed oxidation of p-xylene can give high yields under mild conditions. Effects of process variables on the rate and course of this reaction are investigated
The plate heater can be modified for use as a flow-type reactor. This article shows how such a unit was designed and operated for slow reactions havinga low thermal demand Pinonic Acid-an
I o n Exchange Celluloses for Chromatographic Separations
Interesting Chemical Raw Material
G. W. Hedrick and R. V. Lawrence
J. D. Guthrie and A. L. Bullock
Naval Stores Research Station, USDA, Olustee, Fla.
Southern Regional Research Laboratory, USDA, New Orleans, La.
Pinonic acid, an undeveloped commercial raw material, i s suggested for preparation of a host of industrial chemicals. Derived from turpentine, pinonicacid is available in the amount of 53 to 60 million pounds per year
Preparation, properties, and uses of chemically modified cellulases having ion exchange properties are reviewed. Methods are given for crosslinking cellulose to increase capacities
Use of Statistical Mefhods i n Fermentation Development Digital Computer Control of a n Alkylolion Plant David B. Brandon The Thompson-Rama-Wooldridge Products Co., Beverly Hills, Calif.
How to set up the control equations so that they can be solved by a computer. These equations interrelate the variables defining material balance, variables expressing chemical factors and control actions, constraints on thevariables, an optimization scheme, and the process objective
Boiling Temperature bytheMeissner Method
R. J. Sieraski and G. M. Machwart Michigan College of Mining and Technology, Hauton, Mich.
A nomograph simplifies the determination of normal boiling points by Meissner’s equation, The nomograph relates boiling point, molar refraction and parachor, and can be used to solve for any one of these terms
Dilule Hydrochloric Acid b y a Simple Ion Exchange Process
A. M. Kennedy Dominion Laboratory, Wellington, N. Z.
Acid suitable for muriatic casein production can be produced by cation exchange from concentrated brine solutions. Sulfuric acid regeneration of the resin is effective. This process could be economical for remote locations, or for small scale production on site Estimating Salt Effect in Vapor-liquid Equilibria Benjamin C.-Y. Lu University of Ottawa, Ottawa, Ontario, Canada
An empirical method for estimating the effect of inorganic salts on the vapor-liquid equilibria of binary mixtures. Data for three systems investigated by the proposed method agreed well with experimental values N e w Uses for Coal Acids
W. 1. Archer, R. S. Montgomery, K. B. Bozer, and J. 8. Louch
J. s. Schultz, Donald Reihard, and Elmer Lind Lederle Laboratories, American Cyanamid Ca., Pearl River, N. Y.
Statistical methods are discussed as applied to translating pilot plant data into commercial plant process design and operation. By using sequential analysis and analysis of variance techniques, many pilot plant runs can be eliminated Calculating Conversion i n Continuous Stirred Tank Reactors Liang-Tseng Fan Kansas State University, Manhattan, Kan.
A simple graphical method for solving material balance equations for single or series chemical reactors. The graphs are developed by the Newton-Raphon iterative technique Purifying Hydrogen b y Selective Oxidation of Carbon Monoxide M. L. Brawn, Jr., and A. W. Green Mississippi Chemical Corp., Yazoa City, Miss. Gunther Cohn and H. C. Anderson Engelhard Industries Inc., Newark, N. J.
A new look at the catalytic oxidation of CO with air. I n pilot plant studies, CO could be reduced to 10 p.p.m. usinga platinum catalyst. Simplification of ammonia synthesis plants, with reduced capital expenditure, should follow Phosphorus Chemicals as Soil Stabilizers A. S. Michaels and F. W. Tausch, Jr., Massachusetts Institute o f Technology, Cambridge, Mass.
Progress is reported i n reducing the cost and improving handling of phosphorus chemicals as soil stabilizers A i r Pollution b y Fotmation of Sulfuric A c i d from Sulfur Dioxide H. F. Johnstone and A. J. Moll University of Illinois, Urbana, Ill.
When catalyzed by nuclei of manganese and iron salts, sulfuric acid forms i n sulfur dioxide fogs. Effect of inert salts, inhibitors, and humidity are discussed Adsorbing Sulfur Dioxideon Dry i o n Exchange Resins
The Dow Chemical Ca., Midland, Mich.
Robert Cole and H. L. Shulman Clarkson College of Technology, Potsdam, N. Y.
T h e potential commercial applications of coal acids justifies a closer look at controlled oxidation for producing chemicals directly from coal. Several routes to cheaper chemicals are suggested
Dry anion exchange resins will pick u p 50% of their weight of sulfur dioxide from air. Their use is suggested i n the control of air pollution, and i n sulfur recovery systems
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INDUSTRIAL
AND ENGINEERING CHEMISTRY
