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原子力バックエンドを研究のフロンティアに!

Turn the nuclear backend into research frontier!

大井川 宏之 

Oigawa, Hiroyuki

原子力バックエンドを原子力の研究開発の最も重要な課題と位置づけ、「バックエンド・フロンティア」と称して原子力の研究開発資源を集中的に投入することを提案する。高レベル放射性廃棄物(HLW)に関する分野では、再処理に付加する群分離処理技術、長寿命核種の核変換処理技術、発生する新たな廃棄体の処分技術に取り組む。原子力施設の運転や解体で発生する低レベル放射性廃棄物(LLW)に関する分野では、放射性廃棄物の発生を抑制する解体技術、多種多様な廃棄物の廃棄体化処理技術、LLWの処分技術に取り組む。両分野を総合して最も合理的に安全確保が可能な方法を考案することが重要である。

Placing the nuclear backend as the most important issue of research and development of nuclear power, it is proposed to invest research and development resource to this issue in a concentrated manner as the Backend Frontier Program. In the field of the high-level waste (HLW), three main activities are proposed: the partitioning technology to be added to the reprocessing, the transmutation technology for long-lived nuclides, and the disposal technology for newly-produced wastes from these processes. In the field of the low-level waste (LLW) produced by operation and decommissioning of nuclear facilities, three main activities are proposed: the decommissioning technology to reduce the amount of the radioactive waste, the fabrication technology for various wastes, and the disposal technology for LLW. It is important to figure out the scheme by which safety can be secured with the most reasonable way by consolidating the activities in these two fields.

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