Silver catalysts, a process for their preparation, and their use

Details Silver catalysts, a process for their preparation, and their use Silver catalysts, a process for their preparation, and their use

1983-06-27

1984-07-03

Gantz, Delbert E.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502344, 502347, B01J 2350

Patent

active

044580320

ABSTRACT:
Silver catalysts, useful for the oxidation of ethylene to ethylene oxide, contain 3-20 percent by weight of silver and 0.003-0.05 percent by weight of potassium, rubidium, cesium, or a mixture thereof as a promoter present on a heat-resistant porous support to which they have been applied by several impregnating steps.

REFERENCES:
patent: 4010115 (1977-03-01), Nielsen et al.
patent: 4226782 (1980-10-01), Hayden et al.
patent: 4305844 (1981-12-01), Vangermain et al.
patent: 4389338 (1983-06-01), Mitsuhata et al.

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