Vinyl acetate process utilizing a palladium-gold-copper catalyst

Details Vinyl acetate process utilizing a palladium-gold-copper catalyst Vinyl acetate process utilizing a palladium-gold-copper catalyst

1997-06-03

1998-03-24

Shippen, Michael L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 6705

Patent

active

057314578

ABSTRACT:
A process is disclosed for the production of vinyl acetate by reaction of ethylene, oxygen and acetic acid as reactants comprising contacting said reactants and a non-halogen containing copper compound with a catalyst comprising a porous support on the porous surfaces of which is deposited catalytically effective amounts of metallic palladium, gold and copper. During the process to prepare vinyl acetate, a stream of alkali metal acetate is preferably passed over the catalyst. The process results in higher vinyl acetate selectivity and productivity due to lower CO.sub.2 selectivity during the life of the catalyst, and/or longer catalyst life.

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