Surface impregnated catalyst

Details Surface impregnated catalyst Surface impregnated catalyst

1976-04-12

1977-09-13

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

560231, B01J 3104

Patent

active

040480968

ABSTRACT:
A surface impregnated catalyst consisting essentially of a catalyst support, a palladium-gold alloy distributed in a surface layer of the catalyst support extending less than about 0.5 millimeter from the surface, and alkali metal acetate are provided. The catalyst has substantially higher specific activity than prior art catalysts used for the production of vinyl acetate.

REFERENCES:
patent: 3743607 (1973-07-01), Sennewald et al.
patent: 3775342 (1973-11-01), Kronig et al.
patent: 3969271 (1976-07-01), Lester
1,103,125 02001968 UK 252 430

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