テクニカルレポート Results and progress of fundamental research on fission product chemistry; Progress report in 2015

逢坂 正彦  ,  三輪 周平  ,  中島 邦久  ,  Di Lemma, F. G.  ,  鈴木 知史  ,  宮原 直哉  ,  小畠 雅明  ,  岡根 哲夫  ,  鈴木 恵理子

pp.1 - 32 , 2016-12 , JAEA
内容記述
A fundamental research program on fission product (FP) chemistry has started since 2012 for the purpose of establishment of a FP chemistry database in each region of LWR under severe accident and improvement of FP chemical models based on the database. Research outputs are reflected as fundamental knowledge to both the research and development of decommissioning of Fukushima Daiichi Nuclear Power Station (1F) and enhancement of LWR safety. Four research items have thus been established considering the specific issues of 1F and the priority in the source term research area, as follows: effects of boron (B) release kinetics and thermal-hydraulic conditions on FP behavior, cesium (Cs) chemisorption and reactions with structural materials, enlargement of a thermodynamic and thermophysical properties database for FP compounds and development of experimental and analytical techniques for the reproduction of FP behavior and for direct measurement methods of chemical form of FP compounds. In this report, the research results and progress for the year 2015 are described. The main accomplishment was the installation of a reproductive test facility for FP release and transport behavior. Moreover, basic knowledge about the Cs chemisorption behavior was also obtained. In addition to the four research items, a further research item is being considered for deeper interpretation of FP behavior by the analysis of samples outside of the 1F units.
著者所属: 日本原子力研究開発機構(JAEA)
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http://jolissrch-inter.tokai-sc.jaea.go.jp/pdfdata/JAEA-Review-2016-026.pdf

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