Patent ID: 7368599
Filing Date: 2008-05-06
Classification: A61P,B01J,C07C

Abstract:
1. A process for the production of acetic acid from a gaseous mixture comprising ethane and/or ethylene wherein the selectivity to ethylene is less than 25 mol % and which process comprises contacting the gaseous mixture with a molecular oxygen-containing gas at elevated temperature in the presence of a catalyst composition which catalyst composition comprises in combination with oxygen the elements molybdenum, vanadium, niobium, gold in the absence of palladium according to the empirical formula: wherein Z is one or more elements selected from the group consisting of Sn, Sb, Cu, Pt, Ag, Fe and Re; a, b, c, d, e and f represent the gram atom ratios of the elements such that: 0<a≦1; 0≦b<1 and a+b=1; 10 0<d≦2; 0<e≦1; and 0.0001≦f≦0.05.