Process for the preparation of catalysts for use in the...

Details Process for the preparation of catalysts for use in the... Process for the preparation of catalysts for use in the...

B - Operations, Transporting

01

J

B01J 37/03 (2006.01) B01J 23/58 (2006.01) B01J 23/66 (2006.01) B01J 31/04 (2006.01) B01J 37/02 (2006.01) C07C 67/055 (2006.01) C07C 69/15 (2006.01)

Patent

CA 2135021

ABSTRACT OF THE DISCLOSURE PROCESS FOR THE PREPARATION OF CATALYSTS FOR USE IN THE PRODUCTION OF VINYL ACETATE In a process for the preparation of palladiuim and palladium/gold shell type catalysts for vinyl acetate production, the improvement comprises using a barium salt to precipitate water-insoluble palladium and optional gold compounds onto a support prior to reduction with a reducing agent. A barium salt additive may also be introduced to the catalyst after reduction to reduce the tendency of the catalyst to deactivate with use.

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