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Various flowsheets of actinides recovery with diamides of heterocyclic dicarboxylic acids

  • Mikhail Alyapyshev
  • Vasiliy Babain
  • Lyudmila Tkachenko
Article

Abstract

Solvents on the base of diamides of heterocyclic dicarboxylic acids are promising alternatives for studied Grouped ActiNide EXtraction (GANEX) solvents. Advantage of these ligands is the possibility of simultaneous extraction not only of residual uranium and plutonium, but also minor actinides—neptunium, americium and curium. Two flowsheets on the base of diamides of heterocyclic dicarboxylic acids for separation of actinides form acidic solutions were developed, tested in laboratory scale and compared. Both flowsheets allow separation of more than 99.95% of actinides from raffinates with high content of lanthanides.

Keywords

Actinides Americium Separation Polar diluents Diamides Flowsheet 

Notes

Acknowledgements

This work was partially financially supported by Government of Russian Federation, Grant 074-U01.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2017

Authors and Affiliations

  • Mikhail Alyapyshev
    • 1
    • 2
  • Vasiliy Babain
    • 2
    • 3
  • Lyudmila Tkachenko
    • 4
  1. 1.Polymetal, 2St. PetersburgRussia
  2. 2.ITMO UniversitySt. PetersburgRussia
  3. 3.ThreeArc Mining Ltd.MoscowRussia
  4. 4.Khlopin Radium InstituteSt. PetersburgRussia

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