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JAEA Reports

None

Hayashi, Shotaro; Kishimoto, Yoichiro; *; *; *

PNC TN8410 88-051, 119 Pages, 1988/09

PNC-TN8410-88-051.pdf:2.59MB

None

JAEA Reports

None

Hayashi, Shotaro; Kishimoto, Yoichiro; Kawata, Tomio*; *; *

PNC TN8410 88-039, 58 Pages, 1988/09

PNC-TN8410-88-039.pdf:1.76MB

None

JAEA Reports

None

Kishimoto, Yoichiro; *; *

PNC TN8420 88-003, 243 Pages, 1988/05

PNC-TN8420-88-003.pdf:11.14MB

None

JAEA Reports

FBR Fuels reprocessing experiments at CPF

Kishimoto, Yoichiro; *; Kawata, Tomio*; *; *; Ouchi, Jin; *; *

PNC TN8410 88-026, 217 Pages, 1988/05

PNC-TN8410-88-026.pdf:4.12MB

None

JAEA Reports

None

Hayashi, Shotaro; Kishimoto, Yoichiro; Kawata, Tomio*

PNC TN8410 88-011, 89 Pages, 1988/02

PNC-TN8410-88-011.pdf:1.91MB

None

JAEA Reports

None

Hayashi, Shotaro; Kishimoto, Yoichiro; *

PNC TN8410 88-010, 181 Pages, 1988/01

PNC-TN8410-88-010.pdf:2.57MB

None

JAEA Reports

None

Kishimoto, Yoichiro; Kawata, Tomio*; *

PNC TN8410 88-009, 49 Pages, 1988/01

PNC-TN8410-88-009.pdf:0.9MB

None

JAEA Reports

FBR reprocessing experiments at CPF, 15

Kishimoto, Yoichiro; Kawata, Tomio*; Ouchi, Jin; *; Sanyoshi, Hirotaka*; ; *

PNC TN8410 88-004, 123 Pages, 1987/12

PNC-TN8410-88-004.pdf:3.95MB

None

JAEA Reports

None

Kishimoto, Yoichiro; Kawata, Tomio; Hayashi, Shotaro; Nemoto, Shinichi; Kitamura, Koichiro

PNC TN8410 88-001, 142 Pages, 1987/12

PNC-TN8410-88-001.pdf:2.12MB

None

JAEA Reports

FBR fuel reprocessing pulsed colum test; Evaluation of operation parameter for strip in pulsed column

Kishimoto, Yoichiro; Kawata, Tomio*; Hayashi, Shotaro; Nemoto, Shinichi; Kitamura, Koichiro

PNC TN8410 87-084, 144 Pages, 1987/06

PNC-TN8410-87-084.pdf:26.46MB

no abstracts in English

JAEA Reports

FBR fuel reprocessing pulsed colum equipment (II) test; Operational characteristies qguinet various desturbances in pulsed clunm system, I

Kishimoto, Yoichiro; Kawata, Tomio*; Hayashi, Shotaro; *; *; *

PNC TN8410 87-083, 50 Pages, 1987/06

PNC-TN8410-87-083.pdf:2.91MB

no abstracts in English

JAEA Reports

Studies on the partitioning of high level liquid waste; Extraction of transuranium and fission products with DBBP, TBP, D2EHPA and D/M2EHPA (mixed solvent)

Kishimoto, Yoichiro; Kawata, Tomio*; *

PNC TN8410 87-08, 125 Pages, 1987/05

PNC-TN8410-87-08.pdf:2.04MB

This paper is to present the technology developed in WTL, PNC for the partitioning of actinides in High Level Liquid Waste (HLLW) from nuclear fuel reprocessing plant. Partitioning experiments were primarily made with the batch extraction method, and the counter current continuous extraction method was also examined by using a laboratory scale mixer-settler. Extractants used were Dibutylbutyl Phosphonate (DBBP), Tri-n-butyl Phosphate (TBP), Di (2-ethylhexyl) Phosphoric Acid (D2EHPA) and Di-Mono (2-ethylhexyl) Phosporic Acid mixture (D/M2EHPA, mol ratio D/M=1/1). Other studies were made of the reduction of Pu (IV) or Fe (III) by hydrazine in the nitric acid solution with the active charcoal catalyst. Further studies were also made of the effect of the lactic acid addition on the extraction of Pu (IV) and U (VI) by TBP. The results from the batch extraction of Am (III), Eu(III), and Ce(III) in the DBBP, TBP, D2EHPA or D/M2EHPA-HNO$$_{3}$$-M$$^{n+}$$ (NO$$_{3}$$)$$_{n}$$ systems showed the linear relationship between log (E/ORG$$^{n}$$) vs. log (NO$$_{3}$$) aq and log E vs. log (H$$^{+}$$)aq. The apparent equilibrium constants (Km) of 1.10 (Am-DBBP), 1.26 (Eu-DBBP), 1.22(Ce-DBBP), 0.0352(Am-TBP), 0.0549(Eu-TBP), 0.0312(Ce-TBP), 0.845(Am-D2EHPA), 22(Am-D/M2EHPA), 22.7(Eu-D/M2EHPA) and 18.7(Ce-D/M2EHPA) were obtained from there relationships. For the reduction of Pu (IV) and Fe (III) in the HNO$$_{3}$$-hydrazine-active chacoal catalyst system, a good linearity between the reaction ratio and the reduction time was observed, and the reaction was apparently of the first order. The reduction rates of Pu (IV) and Fe (III) in this system were significantly increased by 300 times that observed in the system without the active chacoal catalyst. The addition of lactic acid to the system of HNO$$_{3}$$-U-Pu-TBP lowered the extractability of Pu (IV) to TBP, and the distribution coefficient of Pu (IV), for example, was in the vicinity of that for Pu (III) in the 0.5N HNO$$_{3}$$-0.3M lactic acid soluti

JAEA Reports

FBR fuel reprocessing pulsed column equipment, II test; A change for the worse of extraction column dispersion state and its cause

Hayashi, Shotaro; Kishimoto, Yoichiro; Kawata, Tomio*; Tanaka, Mutsuo; Nemoto, Shinichi; Kitamura, Koichiro

PNC TN8410 87-082, 92 Pages, 1987/04

PNC-TN8410-87-082.pdf:15.22MB

no abstracts in English

JAEA Reports

FBR fuels reprocessing experiments at CPF(13)

Ouchi, Jin; Sanyoshi, Hirotaka*; ; Kishimoto, Yoichiro; Kawata, Tomio*; ; *; *

PNC TN8410 87-011, 253 Pages, 1987/01

PNC-TN8410-87-011.pdf:5.38MB

None

JAEA Reports

FBR fuel reprocessing plused column equipment test; Operating characteristics of pulsed ploto columms on the condition of the qqueous continous phase

*; Kishimoto, Yoichiro; Kawata, Tomio*; Hayashi, Shotaro; *; Kitamura, Koichiro; Ojima, Hisao; *; *; Ueno, Kazuhiro

PNC TN8410 87-081, 98 Pages, 1986/12

PNC-TN8410-87-081.pdf:9.76MB

no abstracts in English

JAEA Reports

None

Kishimoto, Yoichiro; Kawata, Tomio*; Hayashi, Shotaro; *; Tanaka, Mutsuo

PNC TN8410 87-080, 42 Pages, 1986/12

PNC-TN8410-87-080.pdf:1.32MB

None

JAEA Reports

FBR Fuels reprocessing experiments at CPF(14)

Ouchi, Jin; Sanyoshi, Hirotaka*; ; Kishimoto, Yoichiro; Kawata, Tomio*; ; *; *

PNC TN8410 87-012, 98 Pages, 1986/12

PNC-TN8410-87-012.pdf:1.58MB

None

JAEA Reports

None

*; Kishimoto, Yoichiro; *; *; *; *; *; Maruo, Yoshihiro

PNC TN841 84-27, 27 Pages, 1984/03

PNC-TN841-84-27.pdf:0.79MB

no abstracts in English

JAEA Reports

Safety guide for the protection of $$beta$$ - ray exposure

Kitahara, Yoshihisa*; ; Kishimoto, Yoichiro; *; *; *; *; *

PNC TN852 83-23, 37 Pages, 1983/10

PNC-TN852-83-23.pdf:1.34MB

None

JAEA Reports

None

Koizumi, Masumichi; *; Kaneko, Hiromitsu; Kishimoto, Yoichiro; Kanamori, Masashi; Ojima, Hisao; ; *

PNC TN842 83-05, 49 Pages, 1983/10

PNC-TN842-83-05.pdf:1.72MB

None

48 (Records 1-20 displayed on this page)