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Geologic disposal of radioactive waste produced by application of partitioning-transmutation technology to nuclear fuel cycle

分離変換技術を導入した場合の放射性廃棄物の地層処分

中山 真一 ; 森田 泰治  ; 西原 健司  ; 大井川 宏之 

Nakayama, Shinichi; Morita, Yasuji; Nishihara, Kenji; Oigawa, Hiroyuki

分離変換から発生する放射性廃棄物の量や物理的・化学的性状に基づいて、分離変換が廃棄物管理に及ぼす影響を定量的に評価した。分離後の高レベル廃棄物の容積は、分離しない場合のガラス固化体に比べて3分の1程度に減り、また定置面積は6分の1程度に減ると予想された。定置面積の減少は地層処分場の容量増加を意味する。

The effects of partitioning-transmutation (PT) technology to waste management was assessed based on the chemical and physical properties and estimated amounts of radioactively contaminated wastes that may be generated in the JAERI's PT cycle. The volume of high-level waste after partitioning was about a third that of non-partitioned vitrified waste form. The required repository area was about sixth, which implies increase in capacity of geologic repositories.

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