Catalyst composition and method for oxidation of ethylene to eth

Details Catalyst composition and method for oxidation of ethylene to eth Catalyst composition and method for oxidation of ethylene to eth

1979-05-04

1981-03-24

Shine, W. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252437, 252438, 252440, 252443, 252462, 252476, C07D30110, B01J 2310, B01J 2350, B01J 2720

Patent

active

042579678

ABSTRACT:
A catalyst composition is provided comprising reduced silver combined with at least one carbonate of a rare earth metal and yttrium, at least one salt of an alkali or alkaline earth metal, and a catalyst carrier, wherein the carbonate is prepared by the reaction of a chloride of a rare earth metal or yttrium with an alkali carbonate or bicarbonate. The catalyst shows high selectivity in the oxidation of ethylene to ethylene oxide in the presence of the catalyst and molecular oxygen.

REFERENCES:
patent: 3463781 (1969-08-01), Bell et al.
patent: 3836481 (1974-09-01), Kajimoto et al.
patent: 3899445 (1975-08-01), Kajimoto et al.

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