Silver-containing supported catalysts and catalyst intermediate

Details Silver-containing supported catalysts and catalyst intermediate Silver-containing supported catalysts and catalyst intermediate

1981-04-03

1983-08-23

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252454, 252475, 252476, B01J 2104, B01J 2350

Patent

active

044003080

ABSTRACT:
Silver-containing supported catalyst, catalyst intermediates, processes for their preparation and the use of such catalysts in the preparation of alkaline oxides is described. By the preparatory technique of the invention there is obtained an improved catalyst which is especially useful in the preparation of alkylene oxides by oxidation of alkenes with oxygen-containing gases. The novel catalysts are characterized by a BET specific surface area of about 0.4 to about 0.5 square meters per gram and by a uniform continuous particle structure of spherical silver crystallites on a supported catalyst, which crystallites have an average diameter of 0.3 to 0.4 .mu.m.

REFERENCES:
patent: 3943069 (1976-03-01), Antonelli et al.
patent: 4066575 (1978-01-01), Winnick
patent: 4207210 (1980-06-01), Kilty
patent: 4305844 (1981-12-01), Vangermain et al.

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