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Role of metallic tin in PtSn reforming catalysts

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Abstract

Metallic tin was detected using X-ray photoelectron spectroscopy (XPS) after H2 reduction of 5%Pt/SnO2, 5%Pt-5%Sn/SiO2, and 5%Pt-29%Sn/Al2O3. However, no metallic tin could be detected in PtSn/Al2O3 catalysts with tin loadings up to 5 wt%. These findings indicate that tin reducibility depends on the extent of interaction between SnO x and the substrate. Hexane reaction studies indicate that metallic tin poisons all reforming reaction channels regardless of the support.

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Authors and Affiliations

  1. Exxon Research and Development Laboratories, PO Box 2226, 70821, Baton Rouge, LA, USA

    Y. Zhou & S. M. Davis

  2. 152 Davey Laboratory, The Pennsylvania State University, Box 120, 16802, University Park, PA, USA

    Y. Zhou

Authors
  1. Y. Zhou
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  2. S. M. Davis
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Zhou, Y., Davis, S.M. Role of metallic tin in PtSn reforming catalysts. Catal Lett 15, 51–55 (1992). https://doi.org/10.1007/BF00770897

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  • DOI: https://doi.org/10.1007/BF00770897

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