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Study of Supported Bimetallic Pd-Pt Catalysts. Characterization and Catalytic Activity for Toluene Hydrogenation

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Abstract

Bimetallic Pd-Pt catalysts were prepared either by a surface redox reaction (RC catalysts) or by coimpregnation (CI catalysts). RC bimetallic catalysts show a higher sulfur resistance in the course of toluene hydrogenation in the presence of thiophene compared to monometallic palladium and CI bimetallic catalysts. A characterization of the RC catalysts by IR and EXAFS allows to propose a structure of the Pd-Pt crystallites which would explain these results.

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Authors and Affiliations

  1. Laboratoire de Catalyse en Chimie Organique, UMR CNRS 6503, Université de Poitiers, 40 Avenue du Recteur Pineau, 86022, Poitiers Cedex, France

    C. Micheaud-Especel, M. Guérin, P. Marécot & J. Barbier

  2. LURE, Université Paris-Sud, Bâtiment 209D, 91898, Orsay Cedex, BP 34, France

    D. Bazin

Authors
  1. C. Micheaud-Especel
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  2. D. Bazin
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  3. M. Guérin
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  4. P. Marécot
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  5. J. Barbier
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Micheaud-Especel, C., Bazin, D., Guérin, M. et al. Study of Supported Bimetallic Pd-Pt Catalysts. Characterization and Catalytic Activity for Toluene Hydrogenation. Reaction Kinetics and Catalysis Letters 69, 209–216 (2000). https://doi.org/10.1023/A:1005623127174

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