Process for the preparation of a silver-containing catalyst

Details Process for the preparation of a silver-containing catalyst Process for the preparation of a silver-containing catalyst

B - Operations, Transporting

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252/85

B01J 23/66 (2006.01) C07D 301/10 (2006.01)

Patent

CA 1298270

T 179 A B S T R A C T A PROCESS FOR THE PREPARATION OF A SILVER-CONTAINING CATALYST The invention relates to a process for the preparation of a silver-containing catalyst suitable for the oxidation of ethylene to ethylene oxide which comprises a) mixing alumina with a tin compound and with an alkali metal compound, b) calcining the mixture to obtain an alkali-enriched and tin- containing alumina carrier, c) applying a silver compound to the alumina carrier and con- verting said silver compound to metallic silver. The catalyst has a high activity, a high selectivity combined with a very high stability.

541594

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