Process for oxidizing aromatic substances

Details Process for oxidizing aromatic substances Process for oxidizing aromatic substances

C - Chemistry, Metallurgy

07

C

260/236.2, 260/5

C07C 50/18 (2006.01) B01J 37/12 (2006.01) C07C 46/04 (2006.01) C07C 51/265 (2006.01) C07C 63/00 (2006.01)

Patent

CA 1169056

Abstract of the Disclosure In the oxidation of reactive aromatic substances with molecular oxygen in carboxylic acid solution in the presence of a catalyst consisting of a cobalt compound and, when required, adding a manganese compound and a bromine compound suitable as a co-catalyst there easily occurs an inactivation of the catalyst system. This is prevented in that after each reaction cycle the catalyst is reactivated by treatment with a strong oxidizing agent and that the water formed during the reaction is removed by distillation.

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