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Encapsulation of gases by zeolites. Communication 1. Encapsulation of nitrogen and oxygen at pressures up to 100 MPa

  • 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.

    An experimental study has been made of the encapsulation of oxygen and hydrogen by KNaA zeolite, both in the crystalline form and compressed with a binder, over the range 450–700°K, and 10–100 MPa.

  2. 2.

    It has been shown that at 450–500°K the major role in the encapsulation process is played by the kinetic factor, and at 550–600°K the thermodynamic characteristics of pressure and temperature begin to have a strong effect.

  3. 3.

    It has been experimentally established that under encapsulation conditions oxygen adsorption occurs in the micropores of the mineral hydrosodalite.

  4. 4.

    The activation energies for the systems oxygen-KNaA and nitrogen-KNaA calculated from the measured kinetic dependencies for decapsulation are in good agreement with literature values.

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Authors and Affiliations

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

    I. A. Kalinnikova, N. N. Muchaidze, A. A. Pribylov, V. V. Serpinskii & G. V. Tsitsishvili

Authors
  1. I. A. Kalinnikova
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  2. N. N. Muchaidze
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  3. A. A. Pribylov
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  4. V. V. Serpinskii
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  5. G. V. Tsitsishvili
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2178–2182, October, 1986.

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Kalinnikova, I.A., Muchaidze, N.N., Pribylov, A.A. et al. Encapsulation of gases by zeolites. Communication 1. Encapsulation of nitrogen and oxygen at pressures up to 100 MPa. Russ Chem Bull 35, 1986–1990 (1986). https://doi.org/10.1007/BF00957507

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  • DOI: https://doi.org/10.1007/BF00957507

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