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Adsorption of benzene on aluminum-chromium-potassium catalysts with various valence states of chromium

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Conclusions

  1. 1.

    On aluminum-chromium-potassium catalysts with various valence states of chromium: Cr6+, Cr3+, and Cr2+, in the temperature interval 20–453°, there is a physical adsorption of benzene and its chemical interaction with chromium ions.

  2. 2.

    The interaction of benzene with Cr6+ ions is observed at room temperatures, with Cr3+ at temperatures above 100°, and is accompanied by a change in the chemical composition of the surface.

  3. 3.

    The interaction of benzene with Cr2+ occurs at temperatures above 300° and does not change the chemical composition of the surface.

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Literature cited

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    I. Ya. Tyuryaev, Uspekhi Khimii,35, 121 (1966).

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    L. L. Van Reijen, W. M. H. Sachtler, P. Cossee, and D. M. Brower, Proc. 3 Intern. Congress of Catalysis,2, Amsterdam (1965), p. 829.

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    K. I. Slovetskaya and A. M. Rubinshtein, Kinetika i Kataliz,7, 342 (1966).

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    A. M. Rubinshtein, K. I. Slovetskaya, and T. R. Brueva, Dokl. Akad. Nauk SSSR,151, 580 (1963).

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    A. M. Rubinshtein, K. I. Slovetskaya, and T. R. Brueva, Kinetika i Kataliz,4, 139 (1963).

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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 253–256, February, 1968.

T. R. Brueva took part in measuring the isotherms at 250–400°, for which the authors would like to thank her.

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Slovetskaya, K.I., Rubinshtein, A.M. Adsorption of benzene on aluminum-chromium-potassium catalysts with various valence states of chromium. Russ Chem Bull 17, 250–252 (1968). https://doi.org/10.1007/BF00908421

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Keywords

  • Chromium
  • Benzene
  • Temperature Interval
  • Chemical Interaction
  • Physical Adsorption