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Solid superacid catalysis: kinetics of butane isomerization catalyzed by a sulfated oxide containing iron, manganese, and zirconium

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Abstract

Kinetics of the isomerization ofn-butane and of isobutane catalyzed by sulfated zirconium oxide containing 1.5 wt% Fe, 0.5 wt% Mn, and 4.0 wt% sulfate at 60°C are well represented by a Langmuir-Hinshelwood equation accounting for the reaction equilibrium and for adsorption of both butanes. The adsorption equilibrium constants estimated from the kinetics data are nearly the same for the two butanes. The form of the rate equation and the observation that disproportionation accompanies isomerization suggest that the reaction proceeds via a Cg intermediate.

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Authors and Affiliations

  1. Center for Catalytic Science and Technology, Department of Chemical Engineering, University of Delaware, 19716, Newark, DE, USA

    A. S. Zarkalis & B. C. Gates

  2. Sun Company, PO Box 1135, 19061, Marcus Hook, PA, USA

    C. -Y. Hsu

Authors
  1. A. S. Zarkalis
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  2. C. -Y. Hsu
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  3. B. C. Gates
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Zarkalis, A.S., Hsu, C.Y. & Gates, B.C. Solid superacid catalysis: kinetics of butane isomerization catalyzed by a sulfated oxide containing iron, manganese, and zirconium. Catal Lett 29, 235–239 (1994). https://doi.org/10.1007/BF00814269

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  • DOI: https://doi.org/10.1007/BF00814269

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