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Yamaguchi, Tetsuji; Nakayama, Shinichi
JAERI-Conf 2003-018, p.115 - 116, 2003/10
Effective diffusivity was determined for Np(IV) in bentonite material in presence of carbonate and for Pu(IV) in presence of fulvic acid. Adsorption of actinides onto negatively charged mineral surfaces were investigated under conditions that actinides were predominantly present as anionic complex species. The results of this study will reveal behavior of actinides under various geological environments.
Ueta, Shinzo*
PNC TJ1211 98-001, 824 Pages, 1998/02
None
*
PNC TJ1211 97-010, 23 Pages, 1997/03
None
*
PNC TJ1211 97-009, 620 Pages, 1997/03
None
Sakamoto, Yoshiaki
Hoshasei Haikibutsu Kenkyu, 1(1), p.107 - 113, 1994/06
no abstracts in English
Yamaguchi, Tetsuji; Sakamoto, Yoshiaki; Onuki, Toshihiko
Radiochimica Acta, 66-67, p.9 - 14, 1994/00
no abstracts in English
ZrO
waste form in water*;
J. Mater. Sci., 28, p.513 - 517, 1993/00
Times Cited Count：20 Percentile：68.63(Materials Science, Multidisciplinary)no abstracts in English
Journal of Materials Science Letters, 9, p.841 - 844, 1990/00
Times Cited Count：1 Percentile：11.89(Materials Science, Multidisciplinary)no abstracts in English
Arima, Tatsumi*; Inagaki, Yaohiro*; Idemitsu, Kazuya*; Kawamura, Katsuyuki*; Yotsuji, Kenji; Tachi, Yukio
no journal, ,
Molecular dynamics simulations of uranyl ion - carbonate ion - clay - water systems were performed to investigate diffusion behavior of uranyl ion in free water and montmorillonite interlayer.
pelletMoroi, Yuriko*; Kirishima, Akira*; Akiyama, Daisuke*; Sato, Nobuaki*; Kitamura, Akira; Kimuro, Shingo
no journal, ,
Direct disposal of spent nuclear fuel is considered as an alternative option of geological disposal of high level radioactive wastes. In this case, the dissolution speed of uranium should be one of the most important parameter. In this study, the dissolution behavior of UO in the simulated groundwater contains high concentration of carbonate ion was investigated, then, it was revealed that uranium dissolution was promoted by the carbonate ion.
