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IR spectra of catalysts and adsorbed molecules. 38. Zinc-containing pentasils: Acid properties and transformations of ethane

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

Conclusions

  1. 1.

    The Zn-pentasil system was studied by IR spectroscopy based on adsorption of pyridine. It was shown that zinc ions enter cation-exchange sites which are strong B sites. The Zn-HTsVM system is characterized in the general case by the presence of two types of B sites (strongly and weakly acid) and three types of L sites (lattice, Zn2+ in cation-exchange sites, and Zn2+ in the composition of the excess ZnO phase or cluster).

  2. 2.

    The catalytic activity of HTsVM and Zn-HTsVM was studied in reactions of transformation of ethane. The aromatizing activity increases on addition of Zn2+ and attains the maximum with total exchange of protons in the cation-exchange sites for Zn2+. The Zn2+ ions not entering cation-exchange sites drive side reactions of methane formation and condensation.

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Authors and Affiliations

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

    L. I. Lafer, Zh. L. Dykh, V. I. Yakerson, V. P. Sitnik, T. V. Vasina & O. V. Bragin

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  1. L. I. Lafer
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  2. Zh. L. Dykh
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  3. V. I. Yakerson
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  4. V. P. Sitnik
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  5. T. V. Vasina
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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. 524–528, March 1989.

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Lafer, L.I., Dykh, Z.L., Yakerson, V.I. et al. IR spectra of catalysts and adsorbed molecules. 38. Zinc-containing pentasils: Acid properties and transformations of ethane. Russ Chem Bull 38, 459–463 (1989). https://doi.org/10.1007/BF00958032

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  • DOI: https://doi.org/10.1007/BF00958032

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