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Nishida, Kaoru*; Maemura, Tsuneyuki*
JNC TJ7400 2000-004, 102 Pages, 2000/02
no abstracts in English
Imai, Hisashi*; Nishida, Kaoru*; *; Amemiya, Kiyoshi*; Lin, Weiren*
PNC TJ1449 98-004, 231 Pages, 1998/02
None
*; *; *; *; Ogura, Koichi; Shibata, Takemasa
Proc. of 1996 Int. Conf. on Plasma Physics, 1(0), p.398 - 401, 1997/00
no abstracts in English
*; *; *; Ogura, Koichi; Shibata, Takemasa
JAERI-Research 95-021, 23 Pages, 1995/03
no abstracts in English
Segawa, Tomoomi; Kawaguchi, Koichi; Ishii, Katsunori; Suzuki, Masahiro; Fukasawa, Tomonori*; Fukui, Kunihiro*; Kitazawa, Toshihide*
no journal, ,
In the process of the spent fuel reprocessing, a mixture of uranyl nitrate and plutonium nitrate is converted to a mixed oxide powder by the microwave heating direct denitration method. In the case of assuming the heterogeneous cycle in the Na-cooled fast reactor, it is required to denitrate a solution containing mainly MA for which microwave heating denitration characteristics have not been clarified, therefore, it is necessary to obtain microwave heating denitration characteristics data for metal nitrate mixed aqueous solutions. In this study, microwave heating denitration characteristics of copper nitrate and nickel nitrate mixed solution and the complex relative permittivity of the final and intermediate products were evaluated. It was clarified that the mixing ratio and the microwave energy loss of metal oxides as final products remarkably affect the denitration characteristics.