Epoxidation catalyst

Details Epoxidation catalyst Epoxidation catalyst

1990-07-25

1992-01-14

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502347, B01J 2104, B01J 2304, B01J 2350

Patent

active

050810960

ABSTRACT:
Disclosed is a novel catalyst composition comprising a catalyst support material having deposited thereon elemental silver and a promoter selected from potassium, rubidium and cesium which are obtained by treating a catalyst precursor comprising a porous catalyst support material having deposited thereon a silver compound and a promoter selected from compounds of potassium, rubidium and cesium, with a gas comprising (i) hydrogen or (ii) an inert gas containing at least about 4 volume percent hydrogen at elevated temperatures. The disclosed catalysts are particularly useful in the partial oxidation of butadiene to produce 1,2-epoxy-3-butene.

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patent: 4012425 (1977-03-01), Nielsen et al.
patent: 4033903 (1977-07-01), Maxwell
patent: 4356312 (1982-10-01), Nielsen et al.
patent: 4419276 (1983-12-01), Bhasin et al.

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