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Effect of MoS2 morphology on the HDS activity of hydrotreating catalysts

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Abstract

Mo/Al2O3 and Mo/ZrO2-Y2O3 catalysts sulfided at different temperatures were tested in thiophene hydrodesulfurization (HDS) and examined by high resolution electron microscopy (HERM). Higher activities observed for the Mo/ZrO2-Y2O3 sample appear to be correlated to a lower stacking of the layers in the MoS2 crystallites, solely the top edge sites being catalytically active. Moreover the results suggest that a dual vacancy site is required for the thiophene HDS.

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Authors and Affiliations

  1. Institut de Recherches sur la Catalyse, 2 Av. Albert Einstein, 69626, Villeurbanne Cedex, France

    M. Vrinat, M. Breysse, C. Geantet & F. Massoth

  2. Departamento de Ingeniería Quimíca, Facultad de Quimíca, UNAM, Cd. Universitaria, 04510, Mexico DF, Mexico

    J. Ramirez

Authors
  1. M. Vrinat
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  2. M. Breysse
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  3. C. Geantet
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  4. J. Ramirez
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  5. F. Massoth
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On leave from Department of Chemical and Fuels Engineering, University of Utah, Salt Lake City, UT 84112, USA.

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Vrinat, M., Breysse, M., Geantet, C. et al. Effect of MoS2 morphology on the HDS activity of hydrotreating catalysts. Catal Lett 26, 25–35 (1994). https://doi.org/10.1007/BF00824029

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  • DOI: https://doi.org/10.1007/BF00824029

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