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Equilibrium adsorption of mixtures of nitrogen with oxygen on NaA zeolite

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

Conclusions

  1. 1.

    The adsorption of mixtures of O2 + N2 on NaA zeolite was studied at 195.1, 214.6, and 225.7°K. A method was proposed for finding the partial pressures according to the set values of the adsorption of the components with the aid of a graph of the isobars of the adsorption of oxygen and nitrogen for the indicated temperatures. For the system studied, there is a Henry region in the adsorption of the mixtures, in which proportionality between the adsorption of the component and its partial pressure is preserved. In this region the adsorption solutions are ideal.

  2. 2.

    The activity coefficientsγ 1 andγ 2 in the adsorption solution at temperatures exceeding the critical temperatures of the components are very close to one, and only as Tcr is approached, and the degree of filling of the adsorption volume of the zeolite is increased, small negative deviations from Raoult's law are observed.

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Literature cited

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Authors and Affiliations

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

    I. A. Kalinnikova, B. P. Bering & V. V. Serpinskii

Authors
  1. I. A. Kalinnikova
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  2. B. P. Bering
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  3. V. V. Serpinskii
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 1940–1946, September, 1973.

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Kalinnikova, I.A., Bering, B.P. & Serpinskii, V.V. Equilibrium adsorption of mixtures of nitrogen with oxygen on NaA zeolite. Russ Chem Bull 22, 1891–1896 (1973). https://doi.org/10.1007/BF00929370

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  • DOI: https://doi.org/10.1007/BF00929370

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