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Ethylene hydrogenation mechanism on Ag/SiO2 catalysts elucidated by isotope kinetics

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Abstract

On a highly dispersed Ag/SiO2 catalyst the reaction of ethylene with hydrogen was studied by means of isotopic exchange. Although hydrogenation does not proceed below 550 K, a latent but intensive interaction between ethylene and hydrogen could be observed already at 480 K. On the investigated catalyst the mechanism of the ethylene hydrogenation is similar to that known for nickel, the catalytic behaviour, however, being distinctly different.

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Authors and Affiliations

  1. Center of Heterogeneous Catalysis, Rudower Chaussee 5, 12484, Berlin, Germany

    Hermann Ehwald

  2. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Prospect Akad. Lavrentieva 5, 630090, Novosibirsk, Russia

    Alexander A. Shestov & Vitaly S. Muzykantov

Authors
  1. Hermann Ehwald
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  2. Alexander A. Shestov
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  3. Vitaly S. Muzykantov
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Ehwald, H., Shestov, A.A. & Muzykantov, V.S. Ethylene hydrogenation mechanism on Ag/SiO2 catalysts elucidated by isotope kinetics. Catal Lett 25, 149–155 (1994). https://doi.org/10.1007/BF00815424

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  • DOI: https://doi.org/10.1007/BF00815424

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