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Mössbauer Study of 119Sn-Pd Catalysts for Selective Hydrogenation of Hexa-1,5-Diene

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Abstract

The addition of tin to palladium-alumina catalysts induces significant modifications of the catalytic properties of palladium in the hydrogenation of hexa-1,5-diene. The influence of the support, of the metal loading and of the preparation method on the chemical state of tin in Pd-Sn/Al2O3 catalysts are studied by Mössbauer spectroscopy. In reduced catalysts, about 60% of tin is present as Sn(0), which forms different Pd-Sn compounds, that are responsible for the changes in the catalytic performances.

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Authors and Affiliations

  1. Instituto de Química, Universidade Federal da Bahia, Campus Universitário de Ondina, 40170-290, Salvador-Bahia, Brasil

    E.A. Sales

  2. Institut Curie, Section de Recherche, 26, rue d'Ulm, F-75231, Paris Cedex 05

    J. Jove & F. Nectoux

  3. Laboratoire de Chimie des Matériaux Divisés et Catalyse, Université Paris7, Couloir 44-45, 5ème étage, case7090. 2, place Jussieu, 75251, Paris Cedex 05, France

    F. Bozon-Verduraz

  4. Faculdade de Engenharia Química, Unicamp, Caixa Postal 6066, 13083-970, Campinas-São Paulo, Brasil

    M. J. Mendes

Authors
  1. E.A. Sales
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  2. J. Jove
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  3. F. Nectoux
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  4. F. Bozon-Verduraz
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  5. M. J. Mendes
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Sales, E., Jove, J., Nectoux, F. et al. Mössbauer Study of 119Sn-Pd Catalysts for Selective Hydrogenation of Hexa-1,5-Diene. Hyperfine Interactions 112, 13–18 (1998). https://doi.org/10.1023/A:1011055703958

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