Process for the preparation of acetic acid from a synthesis gas

Details Process for the preparation of acetic acid from a synthesis gas Process for the preparation of acetic acid from a synthesis gas

1997-11-26

1998-11-24

Geist, Gary

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5112

Patent

active

058409696

ABSTRACT:
A process for the preparation of acetic acid product comprising, in a first catalytic step, conversion of a hydrogen and carbon monoxide containing synthesis gas to obtain a liquid process stream comprising methanol and, in a second catalytic step, carbonylation of the process stream with carbon monoxide to a product stream being rich in the acetic acid product in presence of catalytic effective amounts of a metal compound selected from Group VIII of the Periodic Table promoted with a halide compound, the improvement comprising the further steps of:

REFERENCES:
patent: 3769329 (1973-10-01), Paulik et al.
patent: 4255591 (1981-03-01), Makin et al.
patent: 5189203 (1993-02-01), Hansen et al.
patent: 5286900 (1994-02-01), Hansen et al.
patent: 5371286 (1994-12-01), Blay et al.

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