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Dehydrogenation of Propane to Propylene over Supported Model Ni–Au Catalysts

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Abstract

Hydrogenolysis and dehydrogenation of propane were studied over model nickel–gold catalysts. The supported model Ni–Au catalysts were prepared by depositing Ni and Au onto a planar silica film. Infrared reflection absorption spectroscopic data showed that isolated Ni sites appeared and became dominant on the surface with the addition of Au to Ni. For the conversion of propane in the presence of hydrogen, the dehydrogenation of propane to propylene was observed on the Ni–Au bimetallic catalysts, whereas only hydrogenolysis products were observed on the monometallic Ni catalyst. A correlation was found between the concentration of isolated Ni sites and the catalytic activity for propane dehydrogenation.

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Acknowledgments

We gratefully acknowledge the support for this work by the US Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Bio-sciences (DE-FG02-95ER-14511), and the Robert A. Welch Foundation (A-300).

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Authors and Affiliations

  1. Department of Chemistry, Texas A and M University, College Station, TX, 77843, USA

    Zhen Yan, Yunxi Yao & D. Wayne Goodman

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  1. Zhen Yan
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  2. Yunxi Yao
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  3. D. Wayne Goodman
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Corresponding author

Correspondence to D. Wayne Goodman.

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Dr. Goodman deceased on February 27, 2012.

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Yan, Z., Yao, Y. & Goodman, D.W. Dehydrogenation of Propane to Propylene over Supported Model Ni–Au Catalysts. Catal Lett 142, 714–717 (2012). https://doi.org/10.1007/s10562-012-0815-3

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  • DOI: https://doi.org/10.1007/s10562-012-0815-3

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