Process for the preparation of mixtures of acetic acid,...

Details Process for the preparation of mixtures of acetic acid,... Process for the preparation of mixtures of acetic acid,...

C - Chemistry, Metallurgy

07

C

260/528.7

C07C 51/235 (2006.01) C07C 51/10 (2006.01) C07C 53/00 (2006.01)

Patent

CA 1230611

-1- Abstract of the Disclosure The invention relates to a process for the preparation of mixtures of acetic acid, propionic acid and butyric acid from synthesis gas. In this process, the syntilesis gas is first passed over a rhodium cata- lyst containing, as a promoter, at least one compound of Mg, Mn, La, a rare-earth metal, Sc, Y, W, Fe, Zr, Cr, Hf, Pt and U, and also, as an activator, at least one compound of an alkali metal. The reaction product is condensed, and the aqueous phase of the condensate is oxidized with oxygen or an, oxygen-containing gas in the presence of a platinum catalyst at a pH ? 7.

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