Characterization of phosphate cement irradiated by -ray during dehydration

Irisawa, Keita ; Kudo, Isamu*; Taniguchi, Takumi ; Namiki, Masahiro*; Osugi, Takeshi ; Nakazawa, Osamu

A solidification technique with minimized water content is being developed using a phosphate cement for safe storage of secondary radioactive wastes in the Fukushima Daiichi Nuclear Power Plant. To understand the applicability of the solidification technique for the actual secondary wastes, phosphate cement during dehydration was irradiated by $^{60}$ Co -ray. The G(H $_{2}$ ) for the phosphate cement decreased with time during dehydration, and was not detected after 7 days. Moreover, the $^{60}$ Co -ray irradiation during dehydration did not change the crystalline and amorphous phases of the phosphate cement.

Language	:	English
Journal	:	QST-M-8; QST Takasaki Annual Report 2016
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Pages	:	P. 63
Publication Year/Month	:	2018/03
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Paper URL	:	https://repo.qst.go.jp/records/73811
DOI for research data	:
Keywords	:	リン酸セメント; ガンマ線; G Value; 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
Research Facility	:	ENTRY(地層処分基盤研究施設) ;第4研究棟
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	アドバンエンジ

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Registration No. : AA20170148
JAEA Abstracts No. : 46000429
Paper Submission No. : 20026

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