Process for the preparation of a supported silver catalyst

Details Process for the preparation of a supported silver catalyst Process for the preparation of a supported silver catalyst

1976-07-26

1978-01-03

Shine, W. J.

Compositions

X-ray or neutron shield

252476, B01J 2302, B01J 2304, B01J 2350

Patent

active

040665755

ABSTRACT:
A supported silver catalyst, having particular utility in the production of ethylene oxide by the controlled, vapor phase, partial oxidation of ethylene employing molecular oxygen as the oxidant, is prepared by impregnation procedures. After impregnation, the catalyst is activated by thermal pyrolysis in an inert atmosphere and, subsequently, an alkali metal promoter, preferably a potassium, rubidium, and/or cesium salt is added to enhance catalyst performance.

REFERENCES:
patent: 2773844 (1956-12-01), Carlson et al.
patent: 3563913 (1971-02-01), Krijger et al.
patent: 3878126 (1975-04-01), Antonelli et al.
patent: 4010115 (1977-03-01), Nielsen et al.

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