A catalyst comprising pd and au deposited on a copper...

Details A catalyst comprising pd and au deposited on a copper... A catalyst comprising pd and au deposited on a copper...

B - Operations, Transporting

01

J

252/68, 260/494.

B01J 23/89 (2006.01) B01J 23/52 (2006.01) C07C 67/055 (2006.01) C07C 69/01 (2006.01)

Patent

CA 2289503

A catalyst is disclosed for the production of vinyl acetate by reaction of ethylene, oxygen and acetic acid comprising a porous support m the porous surfaces of which is deposited metallic copper in a zone surrounded by deposits of catalytically effective amounts of metallic palladium and gold, neither of which is substantially intermingled with said copper. Methods for preparing the catalyst and for synthesizing vinyl acetate utilizing the catalyst are also disclosed.

Catalyseur servant à préparer de l'acétate de vinyle par réaction d'éthylène, d'oxygène et d'acide acétique et comportant un support poreux dont les surfaces poreuses possèdent un dépôt de cuivre métallique dans une zone entourée par des quantités déposées efficaces sur le plan catalytique de palladium et d'or métalliques, aucun de ces derniers n'étant pratiquement mélangés au cuivre. Procédés de préparation de ce catalyseur et de synthèse d'acétate de vinyle au moyen de ce catalyseur.

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