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4群群分離からの低発熱ガラス固化体の集積定置

Compacted emplacement of low-heating vitrified waste forms produced from 4-group partitioning

西原 健司  ; 中山 真一 ; 大井川 宏之 

Nishihara, Kenji; Nakayama, Shinichi; Oigawa, Hiroyuki

階層型分離変換技術の導入によって、高レベル廃棄物(HLW)から発熱性の核種,白金族、及びアクチノイド核種が取り除かれ、残ったHLWは従来技術であるガラス固化を適用可能である。このガラス固化体の発熱は従来HLWガラス固化体に比べて大きく低減されていることから、現在のTRU廃棄物と同様に大坑道に集積定置して地層処分する可能性を検討した。

Heating nuclides, platinum group metals and actinides are removed from high level waste (HLW) by Partitioning-Transmutation (P-T) technology. The remaining HLW are vitrified into glass waste form as conventional HLW. Since heat of this glass waste are largely reduced comparing with conventional glass waste, we investigate the possibility to emplace compactly in a large tunnel as supposed for TRU wastes.

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