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Carbonium ion formation in zeolite catalysis

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Abstract

Based on data ofn-butane conversion over HZSM5, different transition states are proposed for the Brønsted acid catalyzed reactions of alkanes involving carbonium ions as intermediates. Hydrogen-deuterium exchange, dehydrogenation and cracking are proposed to proceed via pentacoordinated carbonium ions that are stabilized by the zeolite lattice.

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Authors and Affiliations

  1. Department of Chemical Technology, University of Twente, PO Box 217, 7500 AE, Enschede, The Netherlands

    J. A. Lercher

  2. Schuit Institute of Catalysis, Faculty of Chemical Engineering, Eindhoven University of Technology, PO Box513, 5600, MB Eindhoven, The Netherlands

    R. A. van Santen

  3. Institut für Physikalische Chemie, Technische Universität Wien, Getreidemarkt 9, A-1060, Vienna, Austria

    H. Vinek

Authors
  1. J. A. Lercher
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  2. R. A. van Santen
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  3. H. Vinek
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Lercher, J.A., van Santen, R.A. & Vinek, H. Carbonium ion formation in zeolite catalysis. Catal Lett 27, 91–96 (1994). https://doi.org/10.1007/BF00806981

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  • DOI: https://doi.org/10.1007/BF00806981

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