Palladium-gold catalyst vinyl acetate production

Details Palladium-gold catalyst vinyl acetate production Palladium-gold catalyst vinyl acetate production

B - Operations, Transporting

01

J

B01J 23/66 (2006.01) B01J 23/52 (2006.01) B01J 23/54 (2006.01) B01J 23/58 (2006.01) B01J 37/02 (2006.01) C07C 67/055 (2006.01) C07C 69/15 (2006.01)

Patent

CA 2258686

This invention provides a supported palladium-gold catalyst for vinyl acetate production from ethylene, acetic acid and oxygen. The reactants employed in the catalyst preparation are potassium salt compounds which are essentially sodium-free. A preferred invention palladium-gold catalyst provides exceptional improvement of carbon dioxide; selectivity in vinyl acetate production.

Cette invention concerne un catalyseur constitué de palladium-or sur support et destiné à la production d'acétate de vinyle à partir d'éthylène, d'acide acétique et d'oxygène. Les réactifs utilisés dans la préparation du catalyseur sont des composés de sel de potassium essentiellement exempts de sodium. Un catalyseur constitué de palladium-or préféré de l'invention présente une amélioration exceptionnelle de la sélectivité du dioxyde de carbon dans la production d'acétate de vinyle.

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