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Adsorption properties of high-silica faujasites

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

Conclusions

  1. 1.

    In high-silica zeolites, the concentration of hydrophilic sites (cations and acid sites) is equal to the concentration of aluminum in the backbone and is not a function of the structure of the crystal lattice.

  2. 2.

    In the region of low pressure (p/ps < 0.2), water is adsorbed in zeolites in the form of clusters of three molecules, and at medium pressures, the size of the clusters increases gradually.

  3. 3.

    As the pressure approaches the saturated pressure, the clusters of H2O fuse and fill the large cavities and secondary pores of the faujasites. In narrow-pore hydrophobic zeolites, filling of the channels with water does not take place even at pressures close to the saturated pressure.

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Authors and Affiliations

  1. N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow

    A. L. Klyachko, G. I. Kapustin, G. M. Kutateladze, I. V. Mishin & G. K. Baier

  2. Central Institute of Chemistry, Academy of Sciences of Hungary, Budapest

    A. L. Klyachko, G. I. Kapustin, G. M. Kutateladze, I. V. Mishin & G. K. Baier

Authors
  1. A. L. Klyachko
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  2. G. I. Kapustin
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  3. G. M. Kutateladze
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  4. I. V. Mishin
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  5. G. K. Baier
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1214–1220, June, 1988.

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Klyachko, A.L., Kapustin, G.I., Kutateladze, G.M. et al. Adsorption properties of high-silica faujasites. Russ Chem Bull 37, 1066–1070 (1988). https://doi.org/10.1007/BF00961900

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  • DOI: https://doi.org/10.1007/BF00961900

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