Abstract
The environmental and economic impact of radioactive waste (radwaste) generated from fusion power reactors using five types of structural materials and a fission reactor has been evaluated and compared. Possible radwaste disposal scenario of fusion radwaste in Japan is considered. The exposure doses were evaluated for the skyshine of gamma-ray during the disposal operation, groundwater migration scenario during the institutional control period of 300 years and future site use scenario after the institutional period. The radwaste generated from a typical light water fission reactor was evaluated using the same methodology as for the fusion reactors. It is found that radwaste from the fusion reactors using F82H and SiC/SiC composites without impurities could be disposed by the shallow land disposal presently applied to the low level waste in Japan. The disposal cost of radwaste from five fusion power reactors and a typical light water reactor were roughly evaluated and compared.
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Seki, Y., Aoki, I., Yamano, N. et al. Preliminary Comparison of Radioactive Waste Disposal Cost for Fusion and Fission Reactors. Journal of Fusion Energy 16, 205–210 (1997). https://doi.org/10.1023/A:1021839219543
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DOI: https://doi.org/10.1023/A:1021839219543