Distribution of ^<59>Fe, ^<60>Co and ^<85>Sr as Low-level Radioactive Wastes Included in Nonflammable Organic Materials in the Decomposition by Supercritical Water with RuO_2(II. Radiochemistry)
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概要
- 論文の詳細を見る
The present investigation indicates that during the decomposition of laminate sheeting, the produced gas contains no radioactivity in any run. The distribution of Fe, Co, and Sr was determined by radiometric analysis after laminate sheeting was decomposed using supercritical water mixed with RuO_2. Iron, cobalt and strontium were recovered as solids after the present supercritical-water reaction by the addition of an excessive quantity of iron hydroxide before the reaction. In the case of strontium, almost all radioactivities were found in the liquid phase. However, by adding precipitate reagents to the liquid phase obtained in the reaction, strontium can be recovered in the solid phase. This method should be a very effective way to decompose the nonflammable organic materials of LLW generated by nuclear power plants.
- 東北大学の論文
著者
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佐藤 伊佐務
東北大金研
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山村 朝雄
東北大金研
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大槻 勤
Laboratory of Nuclear Science, Tohoku University
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大槻 勤
Laboratory For Nuclear Science Tohoku University
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杉山 亘
中部電力株式会社
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冨安 博
信州大学工学部
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山村 朝雄
Institute for Materials Research, Tohoku University
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佐藤 伊佐務
Institute for Materials Research, Tohoku University
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杉山 亘
Electric Power Research and Development Center, Chubu Electric Power Co., Inc.
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高橋 三幸
Institute for Materials Research, Tohoku University
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塩川 佳伸
Institute for Materials Research, Tohoku University
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冨安 博
Department of Chemistry and Material Engineering, Faculty of Engineering, Shinshu University
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冨安 博
Department Of Chemistry And Material Engineering Faculty Of Engineering Shinshu University
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杉山 亘
Electric Power Research And Development Center Chubu Electric Power Co. Inc.
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高橋 三幸
Institute For Materials Research Tohoku University
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富安 博
Department Of Chemistry And Material Engineering Faculty Of Engineering Shinshu University
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