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Transformations of C2-C4 alkanes on zeolites of the pentasil type modified with zinc

2. Dependence of the catalytic activity on the framework composition

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    With a constant concentration of Zn (1.5%), the catalytic activity of pentasils in aromatization of C3-C4 alkanes increases as the concentration of Al in the framework increases.

  2. 2.

    The selectivity with respect to the formation of aromatic hydrocarbons from propane and isobutane on Zn-containing pentasils is not a function of the Si/Al ratio. Transformation of propane and isobutane into products of aromatization and C1-C2 alkanes takes place parallelly.

  3. 3.

    Strong Lewis acid sites responsible for activation of the molecules of lower alkanes are formed as a result of modification of the pentasils with zinc.

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Authors and Affiliations

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

    Kh. M. Minachev, T. N. Bondarenko, A. A. Dergachev, M. S. Kharson, D. A. Kondrat'ev & O. P. Tkachenko

Authors
  1. Kh. M. Minachev
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  2. T. N. Bondarenko
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  3. A. A. Dergachev
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  4. M. S. Kharson
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  5. D. A. Kondrat'ev
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  6. O. P. Tkachenko
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2667–2674, December, 1988.

We would like to thank P. I. Slyunyaev for the AAS analysis of the samples of zeolites.

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Minachev, K.M., Bondarenko, T.N., Dergachev, A.A. et al. Transformations of C2-C4 alkanes on zeolites of the pentasil type modified with zinc. Russ Chem Bull 37, 2399–2405 (1988). https://doi.org/10.1007/BF00952604

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  • DOI: https://doi.org/10.1007/BF00952604

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