Ethane oxidation catalyst and process utilising the catalyst

Details Ethane oxidation catalyst and process utilising the catalyst Ethane oxidation catalyst and process utilising the catalyst

B - Operations, Transporting

01

J

B01J 23/68 (2006.01) B01J 23/00 (2006.01) B01J 23/52 (2006.01) B01J 23/89 (2006.01) C07C 51/215 (2006.01) C07C 51/25 (2006.01) B01J 37/02 (2006.01)

Patent

CA 2460030

A catalyst composition and its use for the selective oxidation of ethane to acetic acid and/or for the selective oxidation of ethylene to acetic acid which composition comprises in combination with oxygen the elements molybdenum, vanadium, niobium, gold in the absence of palladium according to the empirical formula: MoaWbAucVdNbeZf wherein Z is one or more elements selected from the group consisting of B, A1, Ga, In, Ge, Sn, Pb, 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; 10-5.phi.c<=0.02; 0<d<=2; 0<e<=1; and 0.0001 <=f<=0.05.

L'invention concerne une composition catalytique et son utilisation pour l'oxydation sélective d'éthane en acide acétique ou pour l'oxydation sélective d'éthylène en acide acétique. La composition selon l'invention comprend les éléments molybdène, vanadium, niobium et or en combinaison avec de l'oxygène et en l'absence de palladium, conformément à la formule empirique Mo¿a?W¿b?Au¿c?V¿d?Nb¿e?Z¿f? (I). Dans la formule (I), Z représente un ou plusieurs éléments sélectionnés dans le groupe comprenant B, Al, Ga, In, Ge, Sn, Pb, Sb, Cu, Pt, Ag, Fe et Re, et a, b, c, d, e et f représentent les rapports en atomes-grammes de ces éléments, qui sont tels que 0<a<=1, 0<=b<1 et a + b = 1, 10?-5¿.phi.c<=0,02, 0<d<=2, 0<e<=1 et 0,0001 <=f<=0,05.

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