Enrichment of Stable Isotopes, (III) Enrichment of <SUP>6</SUP>Li and <SUP>7</SUP>Li by Ion Exchange Column

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概要

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• In search of a suitable ion exchange method for the enrichment of Li-sotopes, column elutions of Li-band have been examined under various conditions. For long distance displacement of the Li-band, BaAc<SUB>2</SUB> and CaAc<SUB>2</SUB> were found excellent for eluant, and the Li proved to be very well retained by hydrogen bed with Dowex 50 W-X 12, 50100 mesh. From the standpoint of resin utilization and regenerant efficiency in cyclic column operation, CaAc<SUB>2</SUB> is preferable to BaAc<SUB>2</SUB>.Enrichment experiments were carried out with Li-isotopes, using the above exchange systems, which proved that <SUB>7</SUB>Li and <SUB>5</SUB>Li were well concentrated in the respective ends of the Li-adsorption band. In one run, the <SUB>7</SUB>Li and <SUB>5</SUB>Li were enriched to 97.09 and 14.64 % respectively in the front and rear edges of the band.

• 一般社団法人 日本原子力学会の論文

著者

• TAKAKURA Yoshihisa

  Faculty of Engineering Tohoku University

• HAGIWARA Zenzi

  Faculty of Engineering, Tohoku University

関連論文

• Enrichment of Stable Isotopes, (III) Enrichment of 6Li and 7Li by Ion Exchange Column
• Studies on Ion-Exichange Equilibria for Cesium-Hydrogen System
• Enrichment of Stable Isotopes, (IV) Theoretical Treatment of Ion-Exchange Systems Used for Lithium Isotope Separation

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