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Adsorption properties of carbon adsorbents Communication 7. Theoretical analysis of the experimental data on the equilibrium adsorption of vapors of substances on activated charcoals with various microporous structures

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Conclusions

  1. 1.

    From the standpoint of the theory of volume filling of microporous adsorbents, an analysis was made of the experimental isotherms of the adsorption of cyclohexane, benzene, and pyridine vapors on activated charcoals for temperatures from 20 to 140° and a broad interval of equilibrium pressures. The investigated activated charcoals represented different types of microporous structures.

  2. 2.

    For the adsorption of cyclohexane and benzene, the temperature invariance of the characteristic curves and their correspondence to the characteristic equation for microporous hydrocarbon adsorbents are well confirmed experimentally. The peculiarities of the adsorption of pyridine were discussed.

  3. 3.

    The basic principles of the difference in the microporous structures of activated charcoals and the peculiarities of the filling of the adsorption space by the adsorbed molecules were considered.

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Literature cited

  1. 1.

    M. M. Dubinin and E. F. Polstyanov, Izv. AN SSSR, Ser. Khim. (1966), p. 610.

  2. 2.

    M. M. Dubinin, E. D. Zaverina, and L. V. Radushkevich, Zh. Fiz. Khimii,21, 1351 (1947).

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    M. M. Dubinin and E. D. Zaverina, Zh. Fiz. Khimii,23, 1129 (1949).

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    L. V. Radushkevich, Zh. Fiz. Khimii,23, 1410 (1949).

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    M. M. Dubinin, E. D. Zaverina, and D. P. Timofeev, Izv. AN SSSR, Otd. Khim. N., (1957), p. 670.

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    K. M. Nikolaev and M. M. Dubinin, Izv. AN SSSR, Otd. Khim. N.,1958, 1165.

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    B. P. Bering, M. M. Dubinin, and V. V. Serpinskii, Izv. AN SSSR, Otd. Khim. N.,1959, 981.

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    B. P. Bering, M. M. Dubinin, and V. V. Serpinskii, Dokl. AN SSSR,138, 1373 (1961).

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    B. P. Bering and V. V. Serpinskii, Dokl. AN SSSR,148, 1331 (1963).

  10. 10.

    M. M. Dubinin and E. G. Zhukovskaya, Izv. AN SSSR, Otd. Khim. N.,1958, 535.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 793–801, May, 1966.

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Dubinin, M.M., Polstyanov, E.F. Adsorption properties of carbon adsorbents Communication 7. Theoretical analysis of the experimental data on the equilibrium adsorption of vapors of substances on activated charcoals with various microporous structures. Russ Chem Bull 15, 761–767 (1966). https://doi.org/10.1007/BF00849367

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Keywords

  • Benzene
  • Hydrocarbon
  • Pyridine
  • Cyclohexane
  • Equilibrium Adsorption