B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/68 (2006.01) B01J 23/00 (2006.01) C07C 51/215 (2006.01) C07C 51/25 (2006.01)
Patent
CA 2501050
A catalyst composition and its used for the oxidation of ethane and/or ethylene to acetic acid, which composition comprises in combination with oxygen the elements molybdenum, vanadium, niobium and gold in the absence of palladium accord-ing to the empirical formula: Mo a W b Au c V d Nb e Y f (I), wherein Y is one or more elements selected from the group consisting of: Cr, Mn, Ta, Ti, B, Al, Ga, In, Pt, Zn, Cd, Bi, Ce, Co, Rh, Ir, Cu, Ag, Fe, Ru, Os, K, Rb, Cs, Mg, Ca, Sr, Ba, Zr, Hf, Ni, P, Pb, Sb, Si, Sn, Ti, U, Re, Te and La; and a, b, c, d, e and f represent the gram atom ratios of the elements such that: 0-5
L'invention a trait à une composition de catalyseur, et à son utilisation pour l'oxydation de l'éthane et/ou de l'éthylène en acide acétique. Ladite composition contient, combinés à l'oxygène, les éléments molybdène, vanadium, niobium et or, en l'absence de palladium, selon la formule empirique suivante : Mo¿a?W¿b?Au¿c?V¿d?Nb¿e?Y¿f? (I). Dans ladite formule, Y représente un ou plusieurs éléments sélectionnés dans le groupe formé par : Cr, Mn, Ta, Ti, B, Al, Ga, In, Pt, Zn, Cd, Bi, Ce, Co, Rh, Ir, Cu, Ag, Fe, Ru, Os, K, Rb, Cs, Mg, Ca, Sr, Ba, Zr, Hf, Ni, P, Pb, Sb, Si, Sn, Tl, U, Re, Te et La ; et a, b, c, d, e et f représentent le rapport atome-gramme des éléments, de façon que : 0 < a = 1; 0 = b < 1 ; a + b = 1 ; 10?-5 ¿< c = 0,02 ; 0,4 = d = 0,865 ; 0,135 = e = 0,23 ; 0,55 = d + e =1 ; et 0 = f =2.
Bp Chemicals Limited
Fetherstonhaugh & Co.
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