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JAEA Reports

The development of mass balance estimation code; The development and the analyzed example with object type code(I)

;

JNC-TN9400 2000-034, 48 Pages, 2000/03

JNC-TN9400-2000-034.pdf:1.56MB

The study and the development to put FBR (Fast Breeder Reactor) to practical use have been doing. So many kinds of technologies are investigated to construct nuclear fuel recycle received to the society. The most important aim of reprocessing has been to extract U and Pu from spent fuels effectively, but, now, the demands for reprocessing are many kinds on nuclear fuel recycle system's construction. These need to be accepted sufficiently. The system that consists of electrolysis, extraction, with molten salt and melting metal, volatilization and condensation using the difference of vapor pressure is suggested, because, differently from LWR (Light Water Reactor), FBR can use the low decontamination factor's fuel. When the engineering scale plant is designed, the dry reprocessing has unsolved problems(ex. process flow) because of less demonstrative scale plants of the dry reprocessing than ones of the wet reprocessing. So the analysis and the estimation of mass balance that is most fundamental in the dry reprocessing system's design need to keep up with the system's alteration (to add new processes etc.) flexibly. This study aim is to develop the mass balance estimation code of dry reprocessing that satisfies the demand mentioned above.

JAEA Reports

Sorption studies of plutonium on geological materials - year 2

J. A. BERRY*; M. BROWNSWORD*; D. J. ILETT*; Linklater, C. M.*; Mason, C.*; TWEED, C. J.*

JNC-TJ8400 2000-060, 60 Pages, 2000/02

JNC-TJ8400-2000-060.pdf:2.95MB

Batch sorption experiments have been carried out to investigate the sorption behaviour of plutonium onto basalt and sandstone from the appropriate rock-equilibrated waters under different redox eonditions. Redox Potentials in solution were controlled by the addition of two reducing agents and one oxidising agent. Thermodynamic chemical modelling was undertaken to interpret the results. The sorption models were based on iron oxide. They adequately reproduced the data for sorption of plutonium onto sandstone, but tended to underpredict sorption onto basalt.

JAEA Reports

None

*; *

PNC-TJ1601 98-001, 138 Pages, 1998/02

PNC-TJ1601-98-001.pdf:4.03MB

None

JAEA Reports

Suppression of third phase in DIDPA/Fe extraction system; Addition of reductants and complexing agents

Sogo, Yumi; Yamagishi, Isao; Kubota, Masumitsu

JAERI-Research 97-090, 16 Pages, 1997/12

JAERI-Research-97-090.pdf:0.6MB

no abstracts in English

JAEA Reports

None

; ; *; Nomura, Kazunori; *;

PNC-TN8410 92-267, 41 Pages, 1992/07

PNC-TN8410-92-267.pdf:0.9MB

None

Oral presentation

Development of U and Pu co-processing process in the Tokai Reprocessing Plant

Kudo, Atsunari; Yanagibashi, Futoshi; Hoshi, Takahiro; Tada, Kazuhito; Sato, Takehiko; Fujimoto, Ikuo; Obu, Tomoyuki

no journal, , 

no abstracts in English

Oral presentation

Development of U and Pu co-processing process; Available condition of Pu reducing agent (as HAN) in the partitioning section

Kudo, Atsunari; Yanagibashi, Futoshi; Tada, Kazuhito; Hoshi, Takahiro; Fujimoto, Ikuo; Obu, Tomoyuki

no journal, , 

no abstracts in English

Oral presentation

Development of U and Pu co-recovery in Tokai Reprocessing Plant; Development of reprocessing process in Operation Testing Laboratory in TRP

Kudo, Atsunari; Nagaoka, Shinichi; Kurabayashi, Kazuaki; Yanagibashi, Futoshi; Obu, Tomoyuki

no journal, , 

no abstracts in English

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