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The pore structures of charcoal adsorbents and the adsorbabilities of gases and vapors 1. The reversible adsorption of krypton and xenon on activated charcoals with various micropore structures

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

Conclusions

  1. 1.

    A study has been made of the isotherms for krypton and xenon adsorption on activated charcoals with various micropore structures, working over wide intervals of adsorption-space packing and temperature, with inclusion of the critical points.

  2. 2.

    Degrees of adsorption-space packing have been calculated for each of the experiments. The results obtained support the theory of bulk micropore filling, showing inert-gas adsorption to be highest on the charcoal having the lowest value of the B parameter in the adsorption-isotherm equation.

  3. 3.

    The fact that the adsorption isosteres were linear at all temperatures and adsorptions can be considered as an indication that passage from vapor to gaseous adsorption occurs continuously.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1727–1731, August, 1978.

The authors would like to thank N. G. Leonova for her help in carrying out these experiments.

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Dubinin, M.M., Nikolaev, K.M., Polyakov, N.S. et al. The pore structures of charcoal adsorbents and the adsorbabilities of gases and vapors 1. The reversible adsorption of krypton and xenon on activated charcoals with various micropore structures. Russ Chem Bull 27, 1509–1513 (1978). https://doi.org/10.1007/BF00925030

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  • DOI: https://doi.org/10.1007/BF00925030

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