液体Li,Li-Pd,溶融塩ブランケットからのトリチウム回収

概要

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Several methods for tritium recovery from liquid lithium, Li-Pb eutectic alloy, aqueous salt solution or fluoride salt (Flibe) of the breeding materials of a fusion reactor were comparatively investigated based on engineering designs. The methods of a permeation window, an yttrium particle bed and molten salt extraction were promising for liquid lithium. The methods of a permeation window, counter-current extraction in a packed bed and cold trapping in a Na or NaK loop were hopeful for tritium recovery from Li17 Pb83 eutectic. The methods of helium gas purging and vacuum extraction were successfully applied to the Flibe blanket. Although any of the tritium recovery systems resulted in realistic figures of engineering design, extensive research based on materialistic and chemical viewpoints is necessary for resolving impurity effects and various interactions in the tritium recovery systems.
富山大学の論文