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Continuous extraction and separation of Am$$^{3+}$$ and Cm$$^{3+}$$ using a high-performance ligand

Suzuki, Hideya; Tsubata, Yasuhiro   ; Toigawa, Tomohiro   ; Matsumura, Tatsuro  

The separation of minor actinide (MA) from HLLW is an important task in the partitioning and transmutation. After MA are separated from HLLW, the mutual separation of Am$$^{3+}$$ and Cm$$^{3+}$$ (Am/Cm separation) can be conducted. A highly practical reagent, called alkyl diamide amine (ADAAM), was developed. ADAAM gives the maximum separation factor up to 5.5. A continuous extraction test was conducted using a multistage countercurrent mixer-settler extractor with ADAAM in n-dodecane. Separation of Am and Cm was demonstrated in very high yield.

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English

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Publication Year/Month

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Meeting title

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21st International Solvent Extraction Conference (ISEC 2017)

Held date

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2017/11

Location (city)

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Miyazaki

Location (country)

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Japan

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Keywords

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MA; Am/Cm separation; continuous extraction test; multistage countercurrent mixer-settler

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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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- Accesses

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