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Preparation of superacid of ruthenium-sulfated zirconia for reaction of butane to isobutane

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Abstract

A highly active superacid of 2–4 wt.% Ru-sulfated ZrO2 for the isomerization of butane to isobutane was obtained by exposing RuOx/ZrO2 to 1 N H2SO4 followed by calcining in air at 550°C. The RuOx/ZrO2 was prepared by impregnating zirconium hydroxide with a solution of RuCl3 followed by drying at 300°C. The catalyst was much more active than the superacid of sulfated zirconia, the temperature difference to show the same conversion between both catalysts being more than 145°C.

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Authors and Affiliations

  1. Hakodate National College of Technology, Tokura-cho, 042-0953, Hakodate, Japan

    M. Hino

  2. Department of Science, Hokkaido University of Eduction, Hachiman-cho, Hakodate 040-8567, Japan

    K. Arata

Authors
  1. M. Hino
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  2. K. Arata
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Hino, M., Arata, K. Preparation of superacid of ruthenium-sulfated zirconia for reaction of butane to isobutane. React Kinet Catal Lett 66, 331–336 (1999). https://doi.org/10.1007/BF02475809

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  • DOI: https://doi.org/10.1007/BF02475809

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