高速増殖炉サイクルの実用化戦略調査研究の成果

Results from feasibility study on commercialized fast reactor cycle system

根岸 仁 ; 小竹 庄司; 丹羽 元

Negishi, Hitoshi; Kotake, Shoji; Niwa, Hajime

原子力機構では高速増殖原型炉「もんじゅ」などの研究開発成果を踏まえて、高速増殖炉実用化に向けた「高速増殖炉サイクルの実用化戦略調査研究」を電気事業者,電力中央研究所,メーカ各社の参画を得て実施した。その目的は高速増殖炉サイクルの適切な実用化像とそこに至るまでの研究開発計画を2015年頃に提示することである。今後、重点的に研究開発を行う有望な高速増殖炉サイクル概念として、開発目標への適合可能性に最も優れ、これまでの開発実績及び今後の国際協力の可能性から技術的実現性の高い概念であるナトリウム冷却炉(MOX燃料)・先進湿式法再処理・簡素化ペレット燃料製造法を選定した。

Based on the experience of R&D results, such as the developing the prototype FBR, "MONJU," and related fuel cycle, the Japan Atomic Energy Agency carried out the joint study "Feasibility Study on Commercialized Fast Reactor Cycle Systems" with electric utilities, the Central Research Institute of Electric Power Industry and manufacturers. This study has two objectives, presenting "an appropriate concept of the commercial FBR cycle system" and "the R&D programs for commercialization", toward 2015. The "Combined system of sodium-cooled reactor (MOX fuel), advanced aqueous reprocessing and simplified pelletizing fuel fabrication" was selected, as the concept to be developed mainly from now, because it has the greatest potential conformity to the development requirements and has the high technical feasibility because it uses the accumulated results of past R&D, and international cooperation in this is possible.