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-treated column study of Hanford 300 area sediment using a simple ion exchange and immobile domain modelSaito, Tatsuo; Sato, Kazuhiko; Yamazawa, Hiromi*
Journal of Environmental Radioactivity, 237, p.106708_1 - 106708_9, 2021/10
Times Cited Count：2 Percentile：5.72(Environmental Sciences)We succeeded at numerical reproduction of dissolved U concentrations from column experiments with PO-treated Hanford 300 Area sediment. The time-series curves of dissolved U concentrations under various Darcy flow rate conditions were reproduced by the numerical model in the present study through optimization of the following parameters:(i) the mass of U in mobile domain (on surface soil connected to the stream) and the rest of the total U left as precipitation in immobile domain (isolated in deep soil);(ii) the mixing ratio between immobile and mobile domains, to fit the final recovering curve of concentration; and (iii) the cation exchange capacity (CEC
) and equilibrium constant (k) of the exchange reaction of UO
and H
on simulated soil surface (
), to fit the transient equilibrium concentration, forming the bed of the bathtub curve.
Yamagishi, Isao
JAERI-Review 2001-027, 52 Pages, 2001/07
JAERI-Review-2001-027.pdf:3.59MB
The present study deals with the survey of inorganic ion-exchangers suitable for separation and immobilization of Sr and Cs contained in acidic high-level liquid waste. For separation and immobilization of Cs, crystalline silicotitanate seems to be the most promising exchanger. For selective separation of Sr, there is no promising exchanger up to now. Sintered ceramics are favorable waste forms of inorganic ion-exchangers. Their stabilities are largely influenced by composition of exchangers, qualities of ceramics and disposal scenario.
-ray sources simulating skin contaminationYoshida, Makoto;
Hoken Butsuri, 28, p.187 - 193, 1993/00
no abstracts in English
-ray dose calibration sources in skin contamination measurementYoshida, Makoto; Murakami, Hiroyuki;
Proc. of the Int. Radiation Protection Association,Vol. 1, p.132 - 135, 1992/00
no abstracts in English
; Hirata, Masaru; Yahata, Taneaki
Journal of Nuclear Science and Technology, 28(3), p.228 - 238, 1991/03
no abstracts in English
Tsukada, Kazuaki*; Otsuki, Tsutomu*; Sueki, Keisuke*; ; ; ; Nakahara, Hiromichi*; Shinohara, Nobuo; ; Usuda, Shigekazu; et al.
Radiochimica Acta, 51(2), p.77 - 84, 1990/00
no abstracts in English
-HI mixed acid solutionUsuda, Shigekazu; Sakurai, Satoshi; Hirata, Masaru; Umezawa, Hirokazu
Sep. Sci. Technol., 25(11-12), p.1225 - 1237, 1990/00
Times Cited Count：1 Percentile：27.08(Chemistry, Multidisciplinary)no abstracts in English
Journal of Radioanalytical and Nuclear Chemistry, 123(2), p.619 - 631, 1988/02
Times Cited Count：24 Percentile：87.61(Chemistry, Analytical)no abstracts in English
;
JAERI-M 86-188, 20 Pages, 1987/01
no abstracts in English
-ray plane sources; ;
Hoken Butsuri, 22, p.295 - 299, 1987/00
no abstracts in English
; Saito, Keiichiro; Shiba, Koreyuki
J.Chem.Eng.Jpn., 17(3), p.327 - 329, 1984/00
Times Cited Count：1 Percentile：33.72(Engineering, Chemical)no abstracts in English
;
Health Physics, 34(6), p.643 - 648, 1978/06
Times Cited Count：6no abstracts in English
Cs from the ion-exchange resin incorporated in polyethylene or cement composite; ;
Health Physics, 32(6), p.549 - 552, 1977/06
no abstracts in English
Machi, Sueo
Hoshasen Kagaku, 12(24), p.18 - 23, 1977/00
no abstracts in English
; Wadachi, Yoshiki
Journal of Nuclear Science and Technology, 12(6), p.344 - 349, 1975/06
Times Cited Count：2no abstracts in English
; Umezawa, Hirokazu; ; ; ;
Journal of Nuclear Science and Technology, 9(12), p.737 - 742, 1972/12
no abstracts in English
Suzuki, Shinichi; Kobayashi, Toru; Yaita, Tsuyoshi
no journal, ,
Maekawa, Yasunari
no journal, ,
