Process for improving the activity of used supported silver...

Details Process for improving the activity of used supported silver... Process for improving the activity of used supported silver...

B - Operations, Transporting

01

J

252/85

B01J 23/96 (2006.01) C07D 301/10 (2006.01)

Patent

CA 1114357

PROCESS FOR IMPROVING THE ACTIVITY OF USED SUPPORTED SILVER CATALYSTS Abstract of the disclosure: The activity of supported silver catalysts, which have been used for the direct oxidation of ethylene to ethylene oxide with molecular oxygen or air and to which from 1 to 1,000 parts, per 1 million parts of catalyst, of cesium and/or rubidium have been applied, is improved by washing the catalyst with an inert organic liquid prior to the application of cesium and/or rubidium.

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