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Report No.

Feasibility Study on Commercialization of Fast Breeder Reactor Cycle Systems, Interim Report of Phase2 -Technical Study Report for Nuclear Fuel Cycle Systems-

Sato, Koji; Koma, Yoshikazu  ; Inoue, Akira; Yonezawa, Shigeaki; Takata, Takeshi ; Nakabayashi, Hiroki ; Namekawa, Takashi; Kawaguchi, Koichi 

The plant concept concerning the fuel cycle systems (combination of the reprocessing and the fuel fabrication )has been constructed to reduce their total cost by the introduction of various innovative techniques and to apply their utmost superior efficiency from such standpoints of a decrease in the environmental burden, better resource utilization and proliferation resistance improvement by the low decontamination transuranium element (TRU) recycle. For economical efficiency, less than 0.8 yen/kWh which is the demand value (total of the reprocessing expense and the fuel fabrication expense) of the fuel cycle expense satisfied each combination case at 200 tHM/y scale provisionally set for large-scale facilities. On the other hand, the combination case with a low breeder reactor core has satisfied the demand value, with improvement of the average burnup by the radial direction blanket fuel deletion contributing to the decrease of the fuel cycle expense at 50 tHM/y scale provisionally set for small-scale facilities.



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