Silver catalyst for production of ethylene oxide and method for

Details Silver catalyst for production of ethylene oxide and method for Silver catalyst for production of ethylene oxide and method for

1986-11-12

1988-09-06

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502347, 549534, B01J 2104, B01J 2304, B01J 2350

Patent

active

047693584

ABSTRACT:
A silver catalyst having fine silver particles dispersed and deposited fast on the outer surface of a porous inorganic refractory carrier and on the inner wall surface of pores in said carrier and used in the production of ethylene oxide by the catalytic gas-phase oxidation of ethylene with molecular oxygen, which silver catalyst is characterized by containing a compound of at least one metal ion selected from the group consisting of cesium, rubidium, potassium, and thallium (monovalent) as dispersed and deposited fast in an amount in the range of 1.times.10.sup.-6 to 5.times.10.sup.-6 gram equivalent per the unit surface area, m.sup.2, of said silver on the surface of said silver.

REFERENCES:
patent: 4033903 (1977-07-01), Maxwell
patent: 4051068 (1977-09-01), Rebsdat et al.
patent: 4389338 (1983-06-01), Mitsuhata et al.
patent: 4471071 (1984-09-01), Rebsdat et al.

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