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γ-Radiolysis of functionalized calixarenes and its effect on cesium and americium extraction

  • Igor V. Smirnov
  • Ekaterina S. Stepanova
  • Maria D. KaravanEmail author
  • Natalya M. Istomina
  • Alexander D. Misharev
  • Salavat R. Zaripov
  • Svetlana E. Solovieva
  • Igor S. Antipin
Article
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Abstract

The effect of γ-radiation on the extraction properties of two functionalized calixarenes (p-tert-butyl-thiacalix[4]arene and p-tert-butylcalix[8]arene) is studied. The most characteristic products of the irradiated extractants interaction with diluent are identified by mass spectrometry. Extraction ability of studied calixarenes towards cesium and americium before and after irradiation is evaluated. Quantitative analysis of chloride and sulfate ions after irradiation is performed to estimate the radiological degradation degree of components. Irradiation has different effect on p-tert-butyl-thiacalix[4]arene and p-tert-butylcalix[8]arene extraction ability towards americium, which may be due to the nature and extraction ability of radiolysis products, and practically does not affect cesium extraction.

Keywords

γ-Radiolysis Cesium-137 Americium-241 Solvent extraction Functionalized calixarenes Alkaline media Radioactive waste 

Notes

Acknowledgements

The authors are grateful to the staff of the PA “Mayak”, namely, N. P. Starovoytov, V. A. Kazakov and V. A. Dudkin for their help in conducting experiments on irradiation of the extractants. Mass spectrometry analysis was performed at the Center for Chemical Analysis and Materials Research of Research park of St.-Petersburg State University.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  • Igor V. Smirnov
    • 1
    • 2
  • Ekaterina S. Stepanova
    • 1
  • Maria D. Karavan
    • 1
    • 2
    Email author
  • Natalya M. Istomina
    • 3
  • Alexander D. Misharev
    • 2
  • Salavat R. Zaripov
    • 4
  • Svetlana E. Solovieva
    • 4
  • Igor S. Antipin
    • 4
  1. 1.Khlopin Radium InstituteSaint PetersburgRussia
  2. 2.Saint-Petersburg State UniversitySaint PetersburgRussia
  3. 3.Ozersk Institute of TechnologyOzerskRussia
  4. 4.A.E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific CenterRussian Academy of SciencesKazanRussia

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