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Use of CO as probe molecule for characterization of mixed Ru-Ni sulphide phases supported over alumina

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Abstract

Infrared spectroscopy was used to characterize mixed ruthenium-nickel sulphides prepared by step-wise impregnation over alumina and further sulphidation. The hydrogenation of biphenyl was compared over samples containing different amounts of nickel and ruthenium and a large increase was observed for a catalyst with an atomic Ni /(Ni + Ru) ratio near 0.4. Infrared spectra of adsorbed CO indicate that the increase in catalytic activity is ascribed to the presence of a very large number of Ru-Ni sites.

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Authors and Affiliations

  1. Institut de Recherches sur la Catalyse, C.N.R.S, conventionné à l'Université Claude Bernard Lyon, 1, 2 avenue Albert Einstein, 69626, Villeurbanne Cédex, France

    M. Vrinat & M. Breysse

  2. Laboratoire de Catalyse et Spectrochimie, U.A. C.N.R.S., 414, I.S.M.Ra., 6 boulevard du Maréchal Juin, 14050, Caen Cédex, France

    F. Mauge & J. C. La Valley

Authors
  1. J. A. De Los Reyes
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  2. M. Vrinat
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  3. M. Breysse
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  4. F. Mauge
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  5. J. C. La Valley
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De Los Reyes, J.A., Vrinat, M., Breysse, M. et al. Use of CO as probe molecule for characterization of mixed Ru-Ni sulphide phases supported over alumina. Catal Lett 13, 213–219 (1992). https://doi.org/10.1007/BF00770993

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  • DOI: https://doi.org/10.1007/BF00770993

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