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Report No.

Radioactive wastes generated from JAERI partitioning-transmutation cycle system

Nakayama, Shinichi ; Morita, Yasuji ; Nishihara, Kenji 

Production of lower-level radioactive wastes, as well as the reduction in radioactivity of HLW, is an important performance indicator in assessing the viability of a partitioning-transmutation system. We have begun to identify the chemical compositions and to quantify the amounts of radioactive wastes that may be generated by JAERI's processes. Long-lived radionuclides such as $$^{14}$$C and $$^{59}$$Ni and spallation products of Pb-Bi coolants such as $$^{210}$$Po (10$$^{18}$$ Bq/yr) are added to the existing inventory of these nuclides that are generated in the current fuel cycle. Spent salts of KCl-LiCl, which is not generated from the current fuel cycle, will be introduced as a waste.



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