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Extraction chromatography technology for MA(III) recovery from spent MOX fuel, 2; Preparation of extractant-impregnated absorbent based on polymer-coated SiO$$_{2}$$ particles

Fukumoto, Hiroki*; Higuchi, Shuya*; Kaminaga, Daisuke*; Arai, Tsuyoshi*; Miyazaki, Yasunori  ; Sano, Yuichi   ; Watanabe, So  ; Takeuchi, Masayuki 

We investigated synthesis of polymer-coated porous SiO$$_{2}$$ particles (SiO$$_{2}$$-P) using copolymerization of styrene and divinylbenzene monomers in the coexistence of SiO$$_{2}$$ for preparing substrates of TEHDGA-impregnated absorbent. We found that the obtained TEHDGA-impregnated absorbent based on 1 wt% polymer-coated SiO$$_{2}$$ (1 wt% SiO$$_{2}$$-P) clearly absorbed Eu(III) in 3M HNO$$_{3}$$ solution.

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English

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Meeting title

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International Conference on Nuclear Fuel Cycle (GLOBAL2024)

Held date

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2024/10

Location (city)

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Tokyo

Location (country)

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Japan

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Keywords

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抽出クロマトグラフィー; 高分子被覆; ラジカル重合; TEHDGA

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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- Accesses

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