Process for improving the performance of silver catalysts

Details Process for improving the performance of silver catalysts Process for improving the performance of silver catalysts

B - Operations, Transporting

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B01J 23/96 (2006.01) B01J 23/66 (2006.01) C07D 301/10 (2006.01) C07D 303/04 (2006.01)

Patent

CA 1102779

A B S T R A C T A process for improving the performance of silver catalysts which have been used in the preparation of ethylene oxide by reacting ethylene with molecular oxygen which comprises a) washing the used catalyst with water or a mixture of water with a water-miscible organic solvent and b) depositing from 0.00004 to 0.008 gram equivalent weights per kilogram (based on the entire catalyst) of ions of one or more of the alkali metals sodium, potassium, rubidium or cesium on the washed catalyst.

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