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Theory of diffusion and sorption of various substances through a biporous sorbent membrane for the case of a constant concentration difference at its boundaries and a linear sorption isotherm. I. Case of an exponential kinetic function for the microporous zones

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

Conclusions

  1. 1.

    An analytical solution has been obtained for the passage of the sorbed substance through a membrane of a biporous sorbent for the case of constant concentration differences of the sorptive on its boundaries and a linear sorption isotherm.

  2. 2.

    The distribution of the sorptive concentration in the membrane in different moments of time has been calculated as an example, for the case of equal characteristics of diffusion relaxation times in the transporting porous system and in the microporous zones.

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Literature cited

  1. A. E. Chalykh, V. I. Ulin, P. P. Zolotarev, A. Avgonov, and A. D. Aliev, Izv. Akad. Nauk SSSR, Ser. Khim., 735 (1976).

  2. N. I. Nikolaev, P. P. Zolotarev, Yu. M. Popkov, and V. I. Ulin, Abstracts of Papers Presented at the All-Union Conference on Ion-Exchange, July 1979 [in Russian], Nauka (1979), p. 133.

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  6. A. V. Lykov, Theory of Thermal Conductivity [in Russian], Vysshaya Shkola (1967).

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Authors and Affiliations

  1. Institute of Physical Chemistry, Academy of Sciences of the USSR, Moscow

    V. I. Ulin, P. P. Zolotarev & A. I. Pilipenko

Authors
  1. V. I. Ulin
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  2. P. P. Zolotarev
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  3. A. I. Pilipenko
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya,. No. 8, pp. 1717–1722, August, 1980.

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Ulin, V.I., Zolotarev, P.P. & Pilipenko, A.I. Theory of diffusion and sorption of various substances through a biporous sorbent membrane for the case of a constant concentration difference at its boundaries and a linear sorption isotherm. I. Case of an exponential kinetic function for the microporous zones. Russ Chem Bull 29, 1200–1204 (1980). https://doi.org/10.1007/BF00950555

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  • DOI: https://doi.org/10.1007/BF00950555

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