Cleaning and regenerating ethylene oxide catalysts

Details Cleaning and regenerating ethylene oxide catalysts Cleaning and regenerating ethylene oxide catalysts

1981-07-17

1983-07-05

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252143, 252153, 252170, 252414, 549534, B01J 2396, B01J 2350, C07D30110

Patent

active

043917356

ABSTRACT:
A composition and method for removing alkali metal-containing impurities from supported silver catalysts wherein the composition is comprised of an inert organic liquid and a solubilizing agent. The method is used prior to regeneration of the catalyst with cesium, rubidium, or mixtures thereof to improve the selectivity of the regenerated catalyst.

REFERENCES:
patent: 3914132 (1975-10-01), Sutton
patent: 3965036 (1976-06-01), Himmelstein
patent: 4033903 (1977-07-01), Makwell
patent: 4155875 (1979-05-01), Yamaguchi et al.
patent: 4156030 (1979-05-01), Eggen
patent: 4186106 (1980-01-01), Rebsdat et al.
patent: 4941764 (1983-03-01), Hensarling et al.

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