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Comparative Analysis of Various Adsorbents for Low-Temperature Separation of a 20Ne–22Ne Isotopic Mixture

A method to obtain analytical expressions for evaluation of adsorption isotherms of neon isotopes at cryogenic temperatures is proposed. Adsorption isotherms of 20Ne and 22Ne on BAU activated carbon at 77 K are evaluated. The results allow the degree of influence of the pressure and composition of the 20Ne–22Ne isotopic mixture on the separation factor to be estimated.

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Correspondence to V. L. Bondarenko or V. B. Vorotyntsev.

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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, No. 11, pp. 13–17, November, 2015.

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Bondarenko, V.L., Nikiforov, Y.V. & Vorotyntsev, V.B. Comparative Analysis of Various Adsorbents for Low-Temperature Separation of a 20Ne–22Ne Isotopic Mixture. Chem Petrol Eng 51, 743–748 (2016). https://doi.org/10.1007/s10556-016-0115-7

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Keywords

  • neon
  • isotopes
  • isotope separation
  • analysis of isotopic mixture composition
  • adsorption isotherms
  • activated carbon
  • mixture separation coefficient
  • equilibrium constants
  • cryogenic temperatures