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Journal of Materials Science

, Volume 32, Issue 6, pp 1479–1482 | Cite as

Redistribution of copper in KCl-promoted CuCl2/ϒ-Al2O3 catalyst during oxychlorination of ethylene

  • P. S SAI PRASAD
  • K. B. S PRASAD
  • P KANTA RAO
  • V. K KAUSHIK
Article

Abstract

In a study on oxychlorination of ethylene using KCl-promoted CuCl2/Al2O3 catalyst having a composition similar to that of a commercial catalyst, steady-state catalyst composition was determined over a wide range of temperature after identifying the surface copper species by X-ray photoelectron spectroscopy (XPS). The data show a marked shift in the steady-state catalyst composition at about the same temperature at which structural change had been previously reported for similar catalysts. This is confirmed in a separate study of the CuCl2–ethylene reaction which is considered to be the key intermediate step in the overall oxychlorination reaction network.

Keywords

CuCl Fume Silica Copper Species Vinyl Chloride Monomer Ethylene Reaction 

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Copyright information

© Chapman and Hall 1997

Authors and Affiliations

  • P. S SAI PRASAD
    • 1
  • K. B. S PRASAD
  • P KANTA RAO
  • V. K KAUSHIK
    • 2
  1. 1.Indian Institute of Chemical TechnologyHyderabadIndia
  2. 2.Research CentreIndian Petrochemicals Corporation LtdVadodaraIndia

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