Process for preparing ethylene oxide

U.S. Patent Number: 5380885

Abstract: This invention relates to a process for the preparation of an ethylene oxide catalyst having improved selectivity stability which catalyst comprises depositing silver, a promoting amount of alkali metal, a promoting amount of rhenium and, optionally, a promoting amount of rhenium co-promoter selected from sulfur, molybdenum, tungsten, chromium and mixtures thereof, on a porous refractory support, at least partially drying the support, and thereafter depositing a promoting amount of nickel on the support.

Inventors: Kemp; Richard A. (Stafford, TX)

Assignee: Shell Oil Company (Houston, TX)

Application Number: 08/259,023

Issued: 1995-01-10

Expired: 2007-01-10

Classes: 549/536 ; 502/315

Field of search: 549/536

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