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Heats of adsorption of CO2 and NH3 on synthetic zeolites of different structural types. Communication 7. Ammonia and carbon dioxide on magnesium-calcium faujasites and chabasites

  • 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.

    Cations of calcium and magnesium in calcium and magnesium-calcium zeolites of types X, Y, and G are preferred adsorption sites for ammonia molecules. The interaction of ammonia with the proton acid sites plays a secondary role.

  2. 2.

    When carbon dioxide is adsorbed on magnesium-calcium zeolites, the majority of the divalent cations remain effectively screened by framework oxygen atoms and do not interact directly with the adsorbate molecules.

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Authors and Affiliations

  1. I. V. Grebenshchikov Institute of Silicate Chemistry, Academy of Sciences of the USSR, Leningrad

    A. V. Zverev & S. S. Khvoshchev

Authors
  1. A. V. Zverev
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  2. S. S. Khvoshchev
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2190–2194, October, 1986.

The authors thank S. P. Zhdanov for supporting the work and for participating in the discussion of the results.

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Zverev, A.V., Khvoshchev, S.S. Heats of adsorption of CO2 and NH3 on synthetic zeolites of different structural types. Communication 7. Ammonia and carbon dioxide on magnesium-calcium faujasites and chabasites. Russ Chem Bull 35, 1998–2001 (1986). https://doi.org/10.1007/BF00957510

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