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Rehydration of heulandite and stilbite

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Stilbite and heulandite begin to undergo sintering upon heating in vacuum at 200 ± 5°C and undergo about 80% dehydration.

  2. 2.

    The rehydration energy (heat of immersion in water) of stilbite and heulandite reach maximal values of 350 ± 15 and 215 ± 15 J/g after pumping at 230 ± 20 and 200 ± 20°C, respectively. Maximum half-width values are reached at 250 and 300°C, respectively.

  3. 3.

    The maximal integral mean-molar heats of adsorption of water vapor on stilbite and heulandite after pumping at 230 and 200°C, respectively, are 76 ± 3 and 69 ± 3 kJ/mole.

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Literature cited

  1. T. M. Guliev, A. A. Isirikyan, D. I. Mirzai, and V. V. Serpinskii, Izv. Akad. Nauk SSSR, Ser. Khim., 1484 (1988).

  2. T. M. Guliev, A. A. Isirikyan, D. I. Mirzai, and V. V. Serpinskii, Izv. Akad. Nauk SSSR, Ser. Khim., 1683 (1988).

  3. R. M. Barrer and D. E. W. Vaughan, Surf. Sci.,14, No. 1, 77 (1969).

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  4. D. I. Mirzai, F. A. Gashimov, A. A. Pribylov, and V. V. Serpinskii, Izv. Akad. Nauk SSSR, Ser. Khim., 254 (1987).

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Authors and Affiliations

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

    T. M. Guliev, A. A. Isirikyan, D. I. Mirzai & V. V. Serpinskii

  2. Institute of Inorganic and Physical Chemistry, Academy of Sciences of the Azerbaidzhan SSR, Baku

    T. M. Guliev, A. A. Isirikyan, D. I. Mirzai & V. V. Serpinskii

Authors
  1. T. M. Guliev
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  2. A. A. Isirikyan
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  3. D. I. Mirzai
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  4. V. V. Serpinskii
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2855–2857, December, 1988.

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Guliev, T.M., Isirikyan, A.A., Mirzai, D.I. et al. Rehydration of heulandite and stilbite. Russ Chem Bull 37, 2576–2578 (1988). https://doi.org/10.1007/BF00952648

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  • DOI: https://doi.org/10.1007/BF00952648

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