Process for activating or reactivating ethylene oxide silver sub

Details Process for activating or reactivating ethylene oxide silver sub Process for activating or reactivating ethylene oxide silver sub

1980-03-31

1983-03-15

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252475, 252476, 549536, B01J 2396, B01J 2366, B01J 2302, C07D30110

Patent

active

043767184

ABSTRACT:
Process for activating or reactivating silver substrate catalysts having promoter metals used in the production of ethylene oxide by oxidizing ethylene with oxygen or with gases containing oxygen.
At least part of the mixture of reaction gases is made to pass at least in part through a bed arranged before the catalyst zone, this bed containing uniformly distributed compounds of the promoter metals.

REFERENCES:
patent: 2355831 (1944-08-01), Voorhees
patent: 2799687 (1957-07-01), Gould
patent: 3793231 (1974-02-01), Bergmann et al.
patent: 3962136 (1976-06-01), Nielson
patent: 4012425 (1977-03-01), Nielson
patent: 4039561 (1977-08-01), Mitsvhata
patent: 4066575 (1978-01-01), Winnick
patent: 4125480 (1978-11-01), Maxwell
patent: 4305844 (1981-12-01), Vangermain et al.
patent: 4310442 (1982-01-01), Vangermain et al.

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