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PATENT 3304. SCHREYER, R. C. (E. I. Dupont de Nemours Co.). One-Step Butyl Alcohol Process. United States Patent 2,5642130, Aug. 14, 1951; appl. filed July 24, 1948, Serial No. 40,622; 7 claims (Cl. 260-632). Butanols are prepared by reacting propylene, butyl formate, H2O, Co, and H2 under pressure 350-1,500 atm. and temperature 225°-300° in the presence of a Co-containing catalyst, such as Co acetate. The reaction product contains n-butanol and isobutanol, which are separated from the product mixture. The formation of additional amounts of butyl formate introduced initially. The presence of H2O in the initial mixture has been found necessary for high conversion and high yield of butanols. |