Patent ID: 7005541
Filing Date: 2006-02-28
Classification: C07C

Abstract:
1. A process far the production of acetic acid at a space-time yield of at least 15 g-mol/l/hr, by a catalytic carbonylation reaction, comprising reacting a compound selected from the group consisting of an alkyl alcohol and reactive derivatives thereof, in the presence of carbon monoxide and a rhodium-based catalyst system in a reaction mixture wherein the reaction mixture comprises less than 2.0 wt. % water, at least 1000 ppm of a metal selected from the group consisting of rhodium, and combination of rhodium and iridium, an iodide ion at a concentration in the range of about 2 to 20 wt. %, and a halogen promoter at a concentration of about 2.0 wt. % to about 30.0 wt. %.