Supported catalysts and their treatment for the preparation of e

Details Supported catalysts and their treatment for the preparation of e Supported catalysts and their treatment for the preparation of e

1980-01-28

1982-04-13

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252476, 26034834, B01J 2104, B01J 2304, B01J 2350

Patent

active

043246990

ABSTRACT:
Supported catalysts containing silver and alkali metals, for the preparation of ethylene oxide from ethylene and oxygen in the gas phase, are prepared or regenerated by modifying, respectively, a new or spent supported catalyst which already contains metallic silver and may or may not contain the light alkali metals lithium and/or sodium and, where a spent catalyst is concerned, also contains the heavy alkali metals potassium, rubidium and/or cesium, with a solution containing the heavy alkali metals, the modifier solution used containing

REFERENCES:
patent: 2245183 (1941-06-01), Christ et al.
patent: 4123385 (1978-10-01), Rebsdat et al.
patent: 4125480 (1978-11-01), Maxwell
patent: 4168247 (1979-09-01), Hayden et al.

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