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

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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.

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Authors and Affiliations

  1. Indian Institute of Chemical Technology, Hyderabad, 500 007, India

    P. S SAI PRASAD

  2. Research Centre, Indian Petrochemicals Corporation Ltd, P.O. Petrochemicals, Vadodara, 391 346, India

    V. K KAUSHIK

Authors
  1. P. S SAI PRASAD
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  2. K. B. S PRASAD
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  3. P KANTA RAO
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  4. V. K KAUSHIK
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SAI PRASAD, P.S., PRASAD, K.B.S., KANTA RAO, P. et al. Redistribution of copper in KCl-promoted CuCl2/ϒ-Al2O3 catalyst during oxychlorination of ethylene. Journal of Materials Science 32, 1479–1482 (1997). https://doi.org/10.1023/A:1018558001967

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