Effect of cation exchange on hydrogen adsorption property of mordenite for isotope separation

Kawamura, Yoshinori; Iwai, Yasunori; Munakata, Kenzo*; Yamanishi, Toshihiko

Zeolite easily exchanges its cation to another. In this work, synthetic mordenite type zeolite (Na-MOR) was used as start material. And, its cation (Na $^{+}$ ) has been exchanged by Li $^{+}$ , K $^{+}$ , Mg $^{2+}$ and Ca $^{2+}$ . Then, adsorption capacities of H $_{2}$ and D $_{2}$ on them were investigated at 77 K, 159 K, 175 K and 195 K. Adsorption capacities on Li-MOR and Ca-MOR became larger than that on Na-MOR at low pressure range. Oppositely, that on K-MOR became smaller. In case of alkaline metal, cation with small atomic number may lead to large adsorption capacity.

Language	:	English
Journal	:	Journal of Nuclear Materials
Volume	:	442
Number	:	1-3
Pages	:	p.S455 - S460
Publication Year/Month	:	2013/11
Meeting title	:	15th International Conference on Fusion Reactor Materials (ICFRM-15)
Held date	:	2011/10
Location (city)	:	Charleston
Location (country)	:	U.S.A.
Patent information	:
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Paper URL	:	https://doi.org/10.1016/j.jnucmat.2012.11.003
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	TPL(トリチウムプロセス研究棟)
Press Release	:
Article of JAEA R&D Review	:
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Registration No. : BB20111791
JAEA Abstracts No. : 42000303
Paper Submission No. : 13871

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