Supported catalyst, process for its preparation and its use...

Details Supported catalyst, process for its preparation and its use... Supported catalyst, process for its preparation and its use...

B - Operations, Transporting

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B01J 23/38 (2006.01) B01J 23/58 (2006.01) B01J 23/60 (2006.01) B01J 23/66 (2006.01) B01J 37/02 (2006.01) B01J 37/34 (2006.01) C07C 67/055 (2006.01) C07C 69/15 (2006.01)

Patent

CA 2093610

HOE 92/F 103 Abstract of the Disclosure Supported catalyst, process for its preparation and its use for the preparation of vinyl acetate The invention relates to improved Pd/K/Au, Pd/K/Ba and Pd/K/Cd supported catalysts, their preparation and their use for the preparation of vinyl acetate from ethylene, acetic acid and oxygen in the gas phase. The stated catalysts are prepared by atomizing a solution of corres- ponding metal salts by means of ultrasonics and then applying them in such limited amounts and within such a limited time to the carrier particles, and beginning to dry them, so that the catalytically active metal salts cannot penetrate into the carrier particles as far as the core but only into a larger or smaller outer part.

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