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Study of the catalytic properties of pentasil-containing composites in reactions of transformation of hydrocarbons. 2. Transformations of propane and ethane on Zn-modified pentasils

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Pentasils containing 0.5–1% Zn are the most efficient catalysts of aromatization of lower alkanes; an increase in the amount of Zn in HTsVM to 5% activates methane formation to a significant degree.

  2. 2.

    Aromatization of propane on Zn-containing pentasils is accompanied by evolution of the catalysts: an increase in the aromatizing activity of the Zn/HTsVM system during the reaction due to a change in the state of Zn as a result of the zinc-support interaction and under the effect of the reaction medium.

  3. 3.

    IR spectroscopy showed that in modification of pentasils with Zn2+, the strong BrΦnsted acid sites gradually disappear, and new strong Lewis sites are formed and cause activation of lower alkanes due to electron-acceptor properties.

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Authors and Affiliations

  1. N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow

    T. V. Vasina, V. P. Sitnik, A. V. Preobrazhenskii, L. I. Lafer, V. I. Yakerson & O. V. Bragin

Authors
  1. T. V. Vasina
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  2. V. P. Sitnik
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  3. A. V. Preobrazhenskii
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  4. L. I. Lafer
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  5. V. I. Yakerson
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  6. O. V. Bragin
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Additional information

For previous communication, see [1].

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 528–533, March 1989.

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Vasina, T.V., Sitnik, V.P., Preobrazhenskii, A.V. et al. Study of the catalytic properties of pentasil-containing composites in reactions of transformation of hydrocarbons. 2. Transformations of propane and ethane on Zn-modified pentasils. Russ Chem Bull 38, 463–468 (1989). https://doi.org/10.1007/BF00958033

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  • DOI: https://doi.org/10.1007/BF00958033

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