Process for the preparation of acetaldehyde

Details Process for the preparation of acetaldehyde Process for the preparation of acetaldehyde

1982-05-10

1983-06-21

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568902, 252430, C07C 4706

Patent

active

043895328

ABSTRACT:
The present invention provides a process for the preparation of acetaldehyde from hydrogen, carbon monoxide, and methanol. The process comprises conducting the reaction in the presence of a catalyst system comprising cobalt, platinum, and iodide. The cobalt catalyst component is present in a concentration of about 0.01 to 1 weight percent, the platinum catalyst component is present in a concentration of about 0.03 to 3 weight percent, and the iodide catalyst component is present in a concentration of about 0.1 to 40 weight percent, as defined herein. The weight ratio of cobalt to platinum is about 1:0.3 to 1:35. The process is preferably conducted at a temperature of 160.degree.-230.degree. C. and a pressure of 10,000-70,000 kPa.

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Wender et al., "Science", vol. 113 (1951), pp. 206-207.
Mizoroki et al., "Bull. Chem. Soc.", Japan, vol. 37 #2 (1964), pp. 236-241.

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