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Formation and properties of the hydrogen form of mordenite Communication 8. Influence of preliminary heat treatment on the properties of natural mordenite

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

Conclusions

  1. 1.

    With increasing temperature of preliminary heat treatment, the acid resistance of natural mordenite increases and depends on the conditions of heat treatment.

  2. 2.

    The thermal stability of natural mordenite is higher than that of synthetic mordenite.

  3. 3.

    The places occupied by cations in the lattice of mordenite have different sensitivities to the influence of temperature.

  4. 4.

    In the presence of Ca2+ and Mg2+ in mordenite in the role of exchange cations, there is a “hydrolysis” of the aluminum-oxygen tetrahedra under the influence of high temperatures in the presence of water vapors.

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Literature cited

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Author information

Authors and Affiliations

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

    B. A. Baran, I. M. Belen'kaya & M. M. Dubinin

  2. Uzhgorod State University, USSR

    B. A. Baran, I. M. Belen'kaya & M. M. Dubinin

Authors
  1. B. A. Baran
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  2. I. M. Belen'kaya
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  3. M. M. Dubinin
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1702–1707, August, 1973.

The authors would like to thank I. A. Belitskii for providing the monomineral sample of natural mordenite.

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Baran, B.A., Belen'kaya, I.M. & Dubinin, M.M. Formation and properties of the hydrogen form of mordenite Communication 8. Influence of preliminary heat treatment on the properties of natural mordenite. Russ Chem Bull 22, 1658–1661 (1973). https://doi.org/10.1007/BF00932087

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  • DOI: https://doi.org/10.1007/BF00932087

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