B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/52 (2006.01) B01J 23/44 (2006.01) B01J 35/00 (2006.01) B01J 37/02 (2006.01) C07C 67/055 (2006.01) C07C 69/15 (2006.01)
Patent
CA 2244909
This invention provides a microemulsion process for the preparation of a supported palladium-gold catalyst for the production of vinyl acetate from ethylene, acetic acid and oxygen. A preferred catalyst composition has a content of colloidal palladium-gold alloy uniformly distributed on an .alpha.- alumina support. An invention catalyst exhibits a sustained level of selectivity for vinyl acetate production over an extended processing period.
L'invention concerne un procédé de préparation en microémulsion d'un catalyseur palladium-or sur support, pour la production d'acétate de vinyle à partir de l'éthylène, d'acide acétique et d'oxygène. La composition préférée de catalyseur contient un alliage colloïdal palladium-or, réparti de manière uniforme sur un support d'alumine .alpha.. Le catalyseur de l'invention présente une sélectivité élevée, régulière et durable pour la production d'acétate de vinyle.
Celanese International Corporation
Smart & Biggar
LandOfFree
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