UNIT OPERATIONS This is the eighth annual Chemical Engineering Unit Operations Review to appear in the January issue of Industrial and Engineering Chemistry. After a one-year absence Drying and High Vacuum Distillation are presented again. Heat Transfer is omitted. All other sections of the 1952 Review are included.
A new feature, Chemical Engineering Fundamentals Review, has been planned for the May 1953 issue. The sixth annual Unit Process Review and the seventh annual Materials of Construction Review will be published in September and October, respectively.
THE EDITORS
High Vacuum Pumps Used in the Metallurgy of Molybdenum
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R. L. PIGFORD received his B.S. from Mississippi State College (1938) and M.S. and Ph.D. from the University of Illinois (1940 and 1942, respectively). Until August 1947 he was with Du Pont, Wilmington, Del., where he engaged in research and plant design problems in the field of diffusional operations. Since September 1947 he has been chairman of the department of chemical engineering a t the University of Delaurare.
ADSORPTION 24
B. L. HARRIS (born in Savannah, Ga., 1917) received his B.E. (1938) and Ph.D. (1941) in chemical engineering a t The Johns H o p kins University. A t present he is assistant professor of chemical engineering a t The Johns Hopkins University and chief of the chemical branch of the Chemical Corps Research and Engineering Command. Harris is a member of the American Chemical Society and the American Institute of Chemical Engineers.
CENTRIFUGATION 31
CRYSTALLIZATION 34
JAMES 0. MALONEY is head of the department of chemical engineering, and director of the Research Foundation a t the University of Kansas. He was born in St. Joseph, Mo., in 1915, and received his B.S.Ch.E. from the University of Illinois in 1936 and his M.S. and Ph.D. from The Pennsylvania State College in 1939 and 1941, respectively. Maloney is a member of the American Chemical Society and the American Institute of Chemical Engineers.
C. S. GROVE, JR., professor of chemical engineering at Syracuse University, was born in Oneida, N. Y., in 1905. Grove holds the following degrees: A.B., Lenoir-Rhyne College, 1925; B.S. and Ch.E., N. C. State College, 1928 and 1932; M.S., MIT, 1934; and Ph.D., University of Minnesota, 1942. He is a member of the American Chemical Society, American Institute of Chemical Engineers, and American Society for Engineering Education.
JOSEPH B. GRAY (born in 1915 a t Annapolis, Md.) is a research chemical engineer with Du Pont, Wilmington, Del. He received his B.A. in chemistry from St. John’s College (1936), B.S. in gas engineering (1938), and Ph.D. in chemical engineering (1941) from The Johns Hopkins University. Gray is a member of the American Chemical Society, American Institute of Chemical Engineers, Sigma Xi, Phi Lambda Upsilon, and Alpha Chi Sigma.
HIGH TEMPERATURE
DISTILLATION 39
T. J. WALSH received his B.Ch.E. and M.Ch.E. (1939, 1941) from Rensselaer Polytechnic Institute and Ph.D. (1948) from Case Institute of Technology, where he is professor of chemical engineering. Walsh is a consultant for Chagrin Ceramics Co. and to the NACA. He received the first Junior Technical Award of the Cleveland Technical Societies Council for contributions to the engineering profession by a man under 37.
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HIGH VACUUM DISTILLATION
K. C. D. HICKMAN was born in London in 1896, studied a t the Royal College of Science, and received his B.S. and Ph.D. a t London
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University. Hickman has been engaged in high vacuum distillation for 20 years and is the inventor of the centrifugal molecular still used for refining heat-sensitive oils. He has recently published researches in the theory of evaporation and is continuing inventive developments in distillation.
DRYING
W. R. MARSHALL, JR., was born in Calgary, Alberta, Canada, in 1916. He received his B.S.Ch.E. (1938) a t Armour Institute of Technology and his Ph.D. (1941) a t the University of Wisconsin. Up to December 1947 he was employed a t the Du Pont Experimental
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Station as a chemical engineer where he engaged in research and development problems on drying and related fields. Since then he has been associate professor a t the University of Wisconsin.
EVAPORATION 55
W. L. BADGER, author of “Heat Transfer and Evaporation” and coauthor of “Inorganic Chemical Technology” and ‘(Elements of Chemical Engineering,” was born in Minneapolis in 1886. He attended the University of Minnesota, M.S., 1909. Badger is a consulting chemical engineer and a member of the American Chemical Society, American Institute of Chemical Engineers, and the Executive Committee on Heat Transfer of the National Research Council. R. A. LINDSAY was born in Detroit in 1915; he attended the University of Michigan and obtained his B.S. in 1939 and M.S. in 1940. Since 1941 he has worked with W. L. Badger on heat transfer and evaporation a t Dow Chemical Co. and is now a t their main office in Midland, Mich. With coauthors, Lindsay has published several papers on heat transfer. He is a member of the American Institute of Chemical Engineers.
SOLVENT EXTRACTION 58
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FILTRATION 68
ROBERT E. TREYBAL (born 1915,New York) is professor of chemical engineering a t New York University. He received his B.S.Ch.E. (1935) and M.S. (1936) from New York University and his Ph.D. (1942) from Columbia University. Treybal has published the results of many researches in extraction, and a book entitled “Liquid Extraction.” He is a member of the American Chemical Society, American Institute of Chemical Engineers, and Sigma Xi.
SHELBY A. MILLER was born in Louisville, Ky., in 1914. He received degrees of B.S. from the University of Louisville in 1935 and of Ph.D. from the University of Minnesota in 1944. His present position is professor of chemical engineering, University of Kansas. Miller is a licensed professional engineer and a member of the American Chemical Society, American Institute of Chemical Engineers, and the American Society for Engineering Education.
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FLUID DYNAMICS 14
RZURRAY W-EINTRAUB (born in New York, 1918) received his B.Ch.E. from The Cooper Union Institute of Technology and 3I.S. from the Universit? of Pittsburgh. Since 1945 he has been engaged in engineering research and process development with the Burea; of Mines, currently in the Central Experiment Station. Weintraub is a member of the American Chemical Society and American Institute of Chemical Engineers. RIAX LEVA (born 1913, Ludwigshafen, Germany), consulting chemical engineer, holds a B.S. from the University of Cincinnati and a n M.S. from Carnegie Institute of Technology. Leva has been active in fluidization research and in development w-orlr on tower paclrings, gas absorption, and gas drying installations. He is a registered professional engineer and member of the American Chemical Society and American Institute of Chemical Engineers.
ION EXCHANGE 83
ROBERT ICUNIN (born in West Sew Yorlc, N. J., in 1918) received his B.S. (1939) and Ph.D. (1942) from Rutgers University. He is a laboratory head engaged in research on and development of ion exchange resins for the Rohm & Haas Co. ICunin spent tw-o years as research chemist for TVA, a year a t Rlellon Institute on the Petroleum Refining Fellowship, and two years during the war on the Manhattan Project a t Columbia University. FRANCIS X. RlCGARVEY (horn in Kingston, N. Y., in 1919) received his B.S. (1941) and M.S. (1943) from University of PennsylTania. He has been engaged for the past 7 years in research and development of ion exchange resin processes for Rohm & Haas Co. During the war he served with the U. S . Army a t Oak Ridge and Los Alamos. Prior to this, he spent 3 years with the Bureau of Ships on radar and ordnance installation.
MATERIALS HANDLING 88
RICHARD L. SPEAKER received his B. 4,degree in chemical engineering from the University o€ Illinois in 1944. He is now the Wisconsin representative of the Standard Conveyer Co. of St. Paul and his efforts are directed toivard application of conveyors to materials handling. Speaker is registered in Wiseonsin as a professional engineer and is a member of the American Chemical Society and Alpha Chi Sigma.
MIXING 93
J . IIER’RY RUSHTON, professor of chemical engineering, is director of the department a t Illinois Institute of Technology and director of research for Mixing Equipment Co., Rochester, N. Y. He attended the University of Pennsylvania (B.S. and Ph.D.). Rushton is chairman of the Industrial and Engineering Division of the American Chemical Society, a member of American Institute of Chemical Engineers, and of The Society of Chemical Industry.
SIZE REDUCTION
LINCOLN T. WORK (born 1898, Hartford, Conn.) received his A.B., Ch.E., and Ph.D. degrees from Columbia University where he taught chemical engineering for 20 years. Early in 1949 Work resigned as director of research a t Metal & Thermit Corp. to engage in private consulting work. He is now a consulting engineer. Work was chairman of the Division of Industrial and Engineering Chemistry of the American Chemical Society for 1950.
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