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Separation of Tritium-Containing Isotopic Mixtures of Hydrogen in the Gas–Solid System. Review

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Abstract

Methods for separating gas mixtures of hydrogen isotopes, including at high tritium concentrations, were analyzed. Based on this analysis, a conclusion was made about the range of problems that can be solved using separation units with isotope effects in hydrogen–solid working systems. The thermodynamic characteristics of sorbents of two types interacting with hydrogen by the physical or chemical mechanisms were considered. Experimental data on the efficiency of separation of tritium-containing isotopic mixtures of hydrogen by displacement chromatography, short-cycle adsorption, and countercurrent hypersorption, including in a partitioned column, were presented.

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Notes

  1. The temperature dependence of the equilibrium constant of HMIE for the tritium-containing mixture of hydrogen isotopes can be calculated by the equation nKXX* = \(\sum\limits_{n = 0}^4 {{{a}_{n}}{{{\left( {\frac{{300}}{T}} \right)}}^{n}}} \) [16, p. 35] with the following аn coefficients:

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Authors and Affiliations

  1. Mendeleev University of Chemical Technology of Russia, 125047, Moscow, Russia

    M. B. Rozenkevich

  2. Centre for Advanced Tritium Technologies, Culham Science Centre, Culham, Great Britain

    A. N. Perevezentsev

  3. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 119991, Moscow, Russia

    N. N. Kulov

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  1. M. B. Rozenkevich
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  2. A. N. Perevezentsev
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  3. N. N. Kulov
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Correspondence to M. B. Rozenkevich.

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Translated by L. Smolina

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Rozenkevich, M.B., Perevezentsev, A.N. & Kulov, N.N. Separation of Tritium-Containing Isotopic Mixtures of Hydrogen in the Gas–Solid System. Review. Theor Found Chem Eng 56, 407–416 (2022). https://doi.org/10.1134/S004057952204025X

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