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Silver-based catalyst containing chlorine as an anionic component for the production of ethylene oxide

  • US 4,415,476 A
  • Filed: 02/18/1982
  • Issued: 11/15/1983
  • Est. Priority Date: 02/25/1981
  • Status: Expired due to Term
First Claim
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1. A catalyst for the production of ethylene oxide by oxidation of ethylene, said catalyst comprising(A) silver,(B) (1) sodium in an amount of more than 1000 ppm (mg/kg of catalyst) based on the catalyst and (2) cesium as a cationic component, the amount of cesium being smaller than that of sodium and ranging from 10 ppm to 0.5% by weight based on the catalyst, and(C) chlorine as an anionic component the amount of chlorine being from 5 ppm to 0.1% by weight based on the catalyst.

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