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タイトル炭酸塩スラリー模擬廃棄物の照射実験
翻訳タイトルIrradiation experiments of simulated wastes of carbonate slurry
著者永石 隆二
著者本岡 隆文
著者山岸 功
掲載日2016-09
言語eng
ページ数1p.-6p.
種別report
内容記述Overflow of water from waste storage tanks of High Integrity Containers (HIC) in the multi-nuclide removal equipment (ALPS) was discovered at Fukushima Daiichi NPS in April of last year. The mechanism of overflow was not understood very much at that time. To elucidate that for chemical safety in the waste storage, irradiation experiments of simulated carbonate slurry by Co-60 gamma-rays have been conducted in CLADS, JAEA in cooperation with TEPCO, TOSHIBA and KURITA. Hydrogen molecule was the main radiolytic gas product in the slurry, and its amount was enhanced by dissolved species of not only halide ions as seawater components but also carbonate ion as an additive for co-precipitation at a basic condition. The bubbles of molecules were further formed and almost held in the slurry without stirred. These sequentially led to the expansion of slurry, and then to its separation into the shrunk one and supernatant water, which was little accumulated without irradiated.
情報源JOPSS関連URL
URIhttps://f-archive.jaea.go.jp/dspace/handle/faa/253939