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Selective hydrogenation of phenylacetylene on Pd/Al2O3: Effect of the addition of Pt and particle size

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Abstract

Phenylacetylene hydrogenation on Pd, Pt and Pd−Pt/Al2O3 catalysts has been studied. In all catalysts activity was found not to depend on particle size. However, selectivity to styrene was found to depend on Pd/Al2O3 catalysts. Carbon deposition in both metal and support explains such a behavior. Nevertheless, in small Pd particles a longer residence time of styrene may control the selectivity.

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Authors and Affiliations

  1. Departmento de Química, Universidad Autónoma Metropolitana-Iztapalapa-I, P. O. Box 55-534, 09340, Mexico, D. F.

    G. Del Angel

  2. Instituto Mexicano del Petróleo, Eje Central Lazaro Cárdenas No. 152, 07730, Mexico, D. F., Mexico

    J. L. Benitez

Authors
  1. G. Del Angel
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  2. J. L. Benitez
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Del Angel, G., Benitez, J.L. Selective hydrogenation of phenylacetylene on Pd/Al2O3: Effect of the addition of Pt and particle size. React Kinet Catal Lett 51, 547–553 (1993). https://doi.org/10.1007/BF02069103

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  • DOI: https://doi.org/10.1007/BF02069103

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