Method of manufacturing methacrylic acid and an oxidation...

Details Method of manufacturing methacrylic acid and an oxidation... Method of manufacturing methacrylic acid and an oxidation...

C - Chemistry, Metallurgy

07

C

260/521, 252/53.

C07C 51/25 (2006.01) B01J 27/18 (2006.01) B01J 27/185 (2006.01) B01J 27/186 (2006.01)

Patent

CA 1058146

ABSTRACT OF THE DISCLOSURE A novel oxidation catalyst is described as well as a method of manufacturing methacrylic acid by oxidation of methacrolein. The novel catalyst has the following compo- sition: PdaPbSbcXdOa wherein, X denotes at least one element selected from the group consisting of bismuth, lead, chromium, iron, nickel, cobalt, manganese, tin, uranium and barium, the subscripts a, b, c, d and e denote the numbers of the Pd, P, Sb, X and O atoms and, where a is assumed to have the value of 1, then b has a value in the range of from 1 to 42. c a value in the range of from 0.1 to 15, d a value in the range of from 0 to 15 and e a value which is automatically determined from the valencies of the other elements involved herein and which falls in the range of from 3 to 120.

236080

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