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X-ray diffraction study of dealuminized mordenites

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Conclusions

  1. 1.

    In the process of dealuminization of synthetic mordenite, as a result of treatment with hydrochloric acid, the linear parameters of the crystal lattice (interplane distances) decrease to an average of 1% in the case of maximum dealuminization. However, peculiarities of the crystal structure of the mordenites, determined by the type of unit cell, remain unchanged in this case.

  2. 2.

    In the case of profound dealuminization, there is a gradual breakdown of the crystal lattice and partial amorphization of the zeolite.

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Literature cited

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    W. M. Meier, Z. Kristallogr.,115, 439 (1961).

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    L. B. Sand, Proceedings of the Conference on Molecular Sieves, London (February 1967).

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    J. S. Kerr, Nature,197, 1194 (1963).

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    P. E. Eberly, Jr., J. Phys. Chem. Ithaca,67, 2044 (1963).

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    R. M. Barrer and M. B. Makki, Canad. J. Chem.,42, No. 6, 1481 (1964).

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    I. M. Belen'kaya, M. M. Dubinin, and I. I. Krishtofori, Izv. Akad. Nauk SSSR, Ser. Khim.,1967, 2164.

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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2429–2432, November, 1968.

The authors would like to express their gratitude to B. A. Lipkind for providing the samples of synthetic mordenites for investigation.

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Dubinin, M.M., Fedorova, G.M., Plavnik, D.M. et al. X-ray diffraction study of dealuminized mordenites. Russ Chem Bull 17, 2301–2303 (1968). https://doi.org/10.1007/BF00903370

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Keywords

  • Crystal Structure
  • Zeolite
  • Hydrochloric Acid
  • Crystal Lattice
  • Diffraction Study