Process for acetic acid preparation and heterogenous catalyst fo

Details Process for acetic acid preparation and heterogenous catalyst fo Process for acetic acid preparation and heterogenous catalyst fo

1991-11-06

1992-10-13

Prescott, Arthur C.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 4550

Patent

active

051552612

ABSTRACT:
An improved Monsanto-type process for acetic acid preparation and a heterogeneous-supported catalyst for accomplishing the same, comprising reacting methanol with carbon monoxide under pressure of about 65-80 Bar and temperature of about 170.degree.-200.degree. C. in the presence of methyl iodide and a catalyst comprising an insoluble polymer having pendant free base, N-oxide or quaternized pyridine groups supporting a rhodium species loaded to less than about 10 weight percent (expressed as metal) of the polymer component.

REFERENCES:
patent: 3769329 (1973-10-01), Paulik et al.
patent: 4328125 (1982-05-01), Drago et al.

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