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Promising neutron irradiation applications at the high temperature engineering test reactor

高温工学試験研究炉における有望な中性子照射利用

Ho, H. Q.; 本多 友貴*; 濱本 真平; 石井 俊晃; 高田 昌二; 藤本 望*; 石塚 悦男  

Ho, H. Q.; Honda, Yuki*; Hamamoto, Shimpei; Ishii, Toshiaki; Takada, Shoji; Fujimoto, Nozomu*; Ishitsuka, Etsuo

High temperature engineering test reactor (HTTR), a prismatic type of the HTGR, has been constructed to establish and upgrade the basic technologies for the HTGRs. Many irradiation regions are reserved in the HTTR to be served as a potential tool for an irradiation test reactor in order to promote innovative basic researches such as materials, fusion reactor technology, and radiation chemistry and so on. This study shows the overview of some possible irradiation applications at the HTTRs including neutron transmutation doping silicon (NTD-Si) and iodine-125 ($$^{125}$$I) productions. The HTTR has possibility to produce about 40 tons of doped Si-particles per year for fabrication of spherical silicon solar cell. Besides, the HTTR could also produce about 1.8$$times$$10$$^{5}$$ GBq/year of $$^{125}$$I isotope, comparing to 3.0$$times$$10$$^{3}$$ GBq of total $$^{125}$$I supplied in Japan in 2016.

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