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燃料デブリ取出しに伴い発生する廃棄物のフッ化技術を用いた分別方法の研究開発,6; 集光加熱による酸化物模擬廃棄物調製と分析

Fluorination method for classification of the waste generated by fuel debris removal, 6; Preparation and analysis of the simulated oxide waste by light-concentrating heating

高野 公秀 ; 須藤 彩子 ; 渡邉 大輔*

Takano, Masahide; Sudo, Ayako; Watanabe, Daisuke*

福島第一原子力発電所(1F)事故で生じた可能性のあるMCCI生成物のうち、炉心由来の(U,Zr,Gd)O$$_{2}$$と格納容器底部のコンクリートが混ざり合いながら完全溶融を経た部位を想定し、ウラン分別のフッ化試験に供給するための模擬廃棄物試料を集光加熱の手法により調製した。試料の切断面を観察・分析し、組織と生成相を明らかにした。

To supply the waste samples simulating MCCI products for fluorination examination, the oxide melt samples consisting of (U,Zr,Gd)O$$_{2}$$ and concrete were prepared by light-concentrating heating technique. Cross section of the solidified sample was observed and analyzed to identify the micro structure and phases.

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