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Highly HYD Selective Pd–Pt/support Hydrotreating Catalysts for the High Pressure Desulfurization of DBT Type Molecules

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Abstract

A silica–alumina supported Pd–Pt bimetallic catalyst was found to be highly active in dibenzothiophene hydrodesulfurization with preferential selectivity to the hydrogenation (HYD) route of desulfurization at the expense of the direct removal of sulfur. In addition, it was demonstrated that for Pd–Pt catalysts selectivity to HYD can be drastically changed by a “soft” change in the nature of the carrier.

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Acknowledgments

This work was possible due to the financial support of COLCIENCIAS, a government institution that promotes science and technology in Colombia, in the frame of the project 1102-06-17636. V. G. Baldovino-Medrano thanks COLCIENCIAS and Universidad Industrial de Santander for their financial support. Authors gratefully thank Prof. B. Delmon for fruitful discussions on the manuscript.

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Authors and Affiliations

  1. Centro de Investigaciones en Catálisis (CICAT), Escuela de Ingeniería Química, Universidad Industrial de Santander (UIS), Cra. 27 Calle 9, Bucaramanga, Colombia

    V. G. Baldovino-Medrano, Sonia A. Giraldo & Aristóbulo Centeno

Authors
  1. V. G. Baldovino-Medrano
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  2. Sonia A. Giraldo
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  3. Aristóbulo Centeno
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Correspondence to Aristóbulo Centeno.

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Baldovino-Medrano, V.G., Giraldo, S.A. & Centeno, A. Highly HYD Selective Pd–Pt/support Hydrotreating Catalysts for the High Pressure Desulfurization of DBT Type Molecules. Catal Lett 130, 291–295 (2009). https://doi.org/10.1007/s10562-009-9919-9

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  • DOI: https://doi.org/10.1007/s10562-009-9919-9

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