Alkenyl alkanoate catalyst process

Details Alkenyl alkanoate catalyst process Alkenyl alkanoate catalyst process

B - Operations, Transporting

01

J

B01J 23/44 (2006.01) B01J 23/52 (2006.01) B01J 23/58 (2006.01) B01J 23/66 (2006.01) B01J 31/04 (2006.01) C07C 67/055 (2006.01)

Patent

CA 2064412

This invention provides a process for producing improved catalysts for the production of alkenyl alkanoates by the reaction of an alkene, an alkanoic acid and an oxygen-containing gas. The catalysts contain palladium, gold and a potassium promoter and are characterized by a reduced sodium content which results in increased catalyst activity. The reduced sodium content is obtained by washing the catalyst with water or with an aqueous solution of a potassium promoter after it has been impregnated with a potassium promoter.

Méthode d'obtention de catalyseurs améliorés pour la production d'alcanoates d'alcényle par la réaction d'un alcène, d'un acide alcanoïque et d'un gaz oxygéné. Les catalyseurs renferment du palladium, de l'or et un promoteur de potassium; ils sont caractérisés par une teneur réduite en sodium, qui engendre une activité catalytique plus forte. La teneur réduite en sodium est obtenue par lavage du catalyseur avec de l'eau ou avec une solution aqueuse d'un promoteur de potassium après son imprégnation avec un promoteur de potassium

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