Silver-deposited catalyst for production of ethylene oxide

Details Silver-deposited catalyst for production of ethylene oxide Silver-deposited catalyst for production of ethylene oxide

1987-05-05

1989-03-14

Shine, W. J.

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

Catalyst or precursor therefor

Silicon containing or process of making

502341, 502348, B01J 2112, B01J 2302, B01J 2304, B01J 2350

Patent

active

048124370

ABSTRACT:
A silver-deposited catalyst for production of ethylene oxide by oxidizing ethylene, having high selectivity and long life, is provided by this invention. The catalyst is characterized by a combination of (a) catalyst ingredients comprising silver and a cation component selected at least from sodium, potassium, rubidium and cesium, and (b) a carrier composed mainly of alpha-alumina, said carrier having a surface area of 0.6 to 2 m.sup.2 /g, a water absorption of 20 to 50%, a silica content of 0.5 to 12% by weight, a silica content, per m.sup.2 /g of surface area, of 0.5 to 12, preferably 1 to 8, and a sodium content of 0.08 to 2% by weight.

REFERENCES:
patent: 4207210 (1980-06-01), Kilty
patent: 4419276 (1983-12-01), Bhasin et al.
patent: 4471071 (1984-09-01), Rebsdat et al.

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