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

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

B - Operations, Transporting

01

J

252/85

B01J 23/50 (2006.01) B01J 23/66 (2006.01) C07D 301/10 (2006.01)

Patent

CA 1277651

ABSTRACT OF THE DISCLOSURE 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 x 10-6 to 5 x 10-6 gram equivalent per the unit surface area, m2, of said silver on the surface of said silver.

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