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Adsorption of water vapors and microporous structures of carbon adsorbents. Communication 12. Comparison of the water-vapor adsorption isotherms on microporous, mesoporous, and nonporous carbon adsorbents

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

Conclusions

  1. 1.

    The water-vapor adsorption isotherm for mesoporous active carbon is similar in shape to the adsorption isotherm for nonporous graphitized carbon black and can be assigned to type III adsorption isotherms with a type H3 hysteresis loop.

  2. 2.

    Volume filling of the adsorption space of the mesopores only takes place near the saturation pressure.

  3. 3.

    Adsorption of water vapors on non-, meso-and microporous carbon adsorbents related to the amount of primary adsorption centers is satisfactorily described by a common curve similar to the isotherms of adsorption of water vapors on the adsorption centers of totally hydroxylated nonporous silica and silica gel.

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Authors and Affiliations

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

    R. Sh. Vartapetyan, A. M. Voloshchuk, M. M. Dubinin, O. É. Babkin, G. K. Ivazhnyuk & N. F. Fedorov

  2. Lensovet Institute of Chemical Technology, Leningrad

    R. Sh. Vartapetyan, A. M. Voloshchuk, M. M. Dubinin, O. É. Babkin, G. K. Ivazhnyuk & N. F. Fedorov

Authors
  1. R. Sh. Vartapetyan
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  2. A. M. Voloshchuk
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  3. M. M. Dubinin
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  4. O. É. Babkin
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  5. G. K. Ivazhnyuk
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  6. N. F. Fedorov
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 730–735, April, 1987.

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Vartapetyan, R.S., Voloshchuk, A.M., Dubinin, M.M. et al. Adsorption of water vapors and microporous structures of carbon adsorbents. Communication 12. Comparison of the water-vapor adsorption isotherms on microporous, mesoporous, and nonporous carbon adsorbents. Russ Chem Bull 36, 660–664 (1987). https://doi.org/10.1007/BF00962292

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  • DOI: https://doi.org/10.1007/BF00962292

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