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Some possible surface processes involved in production of superacidity in sulfate promoted zirconium oxide

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Abstract

A series of samples has been prepared by impregnating zirconium oxide with ammonium sulfate and then calcining at different temperatures. The samples are characterized by XPS and IR spectroscopy. The results from the characterization reveal that the production of the surface superacidity of sulfate promoted zirconium oxide may involve some surface chemical processes: dispersion onto and interaction with, of ammonium sulfate, the surfaces of zirconium oxide; formation of the surface sulfato complex of zirconium and its gradual decomposition at even higher temperatures.

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Authors and Affiliations

  1. Department of Chemistry, Jilin University, 130023, Changchun, China

    Wuyang Zhang, Quan Wei, Rongsheng Li & Xuwei Yang

Authors
  1. Wuyang Zhang
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  2. Quan Wei
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  3. Rongsheng Li
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  4. Xuwei Yang
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The Project Supported by the National Natural Science Foundation of China.

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Zhang, W., Wei, Q., Li, R. et al. Some possible surface processes involved in production of superacidity in sulfate promoted zirconium oxide. React Kinet Catal Lett 56, 247–255 (1995). https://doi.org/10.1007/BF02076029

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  • DOI: https://doi.org/10.1007/BF02076029

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