Process for the co-production of a C.sub.2 to C.sub.10 monocarbo

Details Process for the co-production of a C.sub.2 to C.sub.10 monocarbo Process for the co-production of a C.sub.2 to C.sub.10 monocarbo

1982-03-11

1986-09-23

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

260413, 560232, 562606, 562607, 562609, C07C 5112, C07C 5304, C07C 5308

Patent

active

046136932

ABSTRACT:
C.sub.2 to C.sub.10 monocarboxylic acids are co-produced with formic acid by reacting at an elevated temperature below 250.degree. C. a C.sub.1 to C.sub.9 alkyl formate with carbon monoxide and water in the presence as catalyst of a Group VIII noble metal component and an iodine or bromine-containing promoter, the partial pressure of carbon monoxide being in the range 1 to 300 bar, the concentration of noble metal component being in the range from 100 to 5000 ppm and the atomic ratio of noble metal to iodine or bromine being in the range from 1:50 to 1:1000 and thereafter recovering the co-produced C.sub.2 to C.sub.10 monocarboxylic acid and formic acid. In a preferred embodiment, the alkyl formate is methyl formate and the recovered acids are acetic acid and formic acid.

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