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Stabilization of Lead in Low-Level Radioactive Waste Form Using Low-Alkalinity Cements

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佐々木 紀樹 ; 宮本 泰明 ; 福本 雅弘 

Sasaki, Toshiki; Miyamoto, Yasuaki; Fukumoto, Masahiro

鉛を含む低レベル放射性廃棄物の廃棄体からの鉛の浸出を低減させることを目的として、セメント系固型化材による鉛の固型化及び固型化体の浸出試験を実施し、低アルカリセメントを使用することにより、鉛の浸出を抑制できることを確認した。

Leaching behavior of lead from waste forms solidified using low-alkalinity cements was studied to reduce the leachability of lead from low-level radioactive waste (LLRW) forms. The use of low-alkalinity cements effectively decreased the concentrations of lead in the leachates and the only sample that passed the leaching test of the landfill of hazardous industrial wastes was the lead sulfide solidified using calcium sulpho-aluminate cement blended silica fume.

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