Solubility study on MOX fuels

Koyama, Shinichi ; Namekawa, Takashi

Solubility test was performed to evaluate the fundamental solubility characteristics of neptunium and insoluble residue after dissolution of MOX fuels irradiated in LWRs. (1)Neptunium was observed in insoluble residue of unirradiated MOX fuel as well as dissolved solution. (2) $^{237}$ Np content in dissolution liquid of unirradiated fuels ranged from 0.06 to 0.13% and that of irradiated fuels ranged from 0.03 to 0.1%. (3) $^{237}$ Np content in MOX fuels decreased exponentially with increasing burn-up. (4)The solubility of neptunium in unirradiated fuels ranged from 84.1 to 98.1% and that in irradiated fuels ranged from 95.9 to 99.9%. (5)The solubility of neptunium in unirradiated and irradiated fuels slightly decreased both with initial plutonium content.

Language	:	Japanese
Report No.	:	JNC TN9400 2002-060
Pages	:	28 Pages
Publication Year/Month	:	2002/12
Patent information	:
PDF	:	JNC-TN9400-2002-060.pdf:0.91MB
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Keywords	:	no keyword
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Article of JAEA R&D Review	:
Cooperating Institute	:	燃材部・AGS
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Registration No. : GJ0920020098
JAEA Abstracts No. :

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