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Adsorption behavior of hydrogen and deuterium on natural mordenite adsorbents at 77 K

Munakata, Kenzo*; Kawamura, Yoshinori

Cryogenic adsorption is effective for the recovery of low-concentration hydrogen isotopes from bulk helium gases. As the result of screening test, it has been found out that a natural mordenite has a quite high adsorption capacity for H$$_{2}$$ and D$$_{2}$$ under the helium atmosphere at 77 K. In this work, the adsorption rates of hydrogen isotopes for the mordenite were quantified by analyzing breakthrough curves obtained in experiments. Evaluated effective pore diffusivities suggest that the mordenite is promising for the recovery of low concentration hydrogen isotopes from the helium bulk gas.

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Category:Nuclear Science & Technology

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