Process for preparing ethylene oxide catalysts

Details Process for preparing ethylene oxide catalysts Process for preparing ethylene oxide catalysts

1995-10-06

1998-04-14

Griffin, Walter D.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502303, 502304, 502306, 502317, 502320, 502322, 502327, 502328, 502330, 502332, 502333, 502334, 502335, 502336, 502341, 502346, 502347, 502348, B01J 2300, B01J 2370

Patent

active

057390754

ABSTRACT:
This invention relates to a process for the preparation of a catalyst suitable for the production of ethylene oxide which process comprises depositing a promoting amount of a salt of a rare earth metal and a promoting amount of a salt of an alkaline earth metal and/or a salt of a Group VIII transition metal on a porous, refractory support, calcining the support, and thereafter depositing a catalytically effective amount of silver, a promoting amount of alkali metal, and optionally, a promoting amount of rhenium and/or a promoting amount of a rhenium co-promoter selected from sulfur, molybdenum, tungsten, chromium, phosphorus, boron and mixtures thereof, on the support, and subsequently drying the support.

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