Adsorption and separation of Sr(II) and Y(III) by extration chromatography using DTBuch18C6-impregnated adsorbent

Seong Yun Kim, Taiga Kawamura, Tatsuya Ito

Research output: Contribution to conferencePaperpeer-review

Abstract

To separate Y(III) from the Sr(II)-Y(III) mixture, (DtBuCH18C6+Dodec)/SiO2-P was synthesized by successive impregnation and fixing the DtBuCH18C6 and its molecule modifier 1-Dodecanol onto SiO2-P. This adsorbent showed a high adsorption affinity to Sr(II) and a weak adsorption affinity to Y(III). Kinetic data were successfully modeled using pseudo-second-order kinetics. The adsorption of Sr(II) could be expressed by the Langmuir monomolecular layer adsorption model and was governed by chemisorption. The breakthrough curve of Sr(II) had S-shaped profile, and the loaded Sr(II) ions were successfully eluted with an eluent of H2O using a column packed with the adsorbent. The separation of Y(III) from Sr(II)-Y(III) mixture was achieved successfully.

Original languageEnglish
Pages481-488
Number of pages8
Publication statusPublished - 2020 Jan 1
Event14th International Nuclear Fuel Cycle Conference, GLOBAL 2019 and Light Water Reactor Fuel Performance Conference, TOP FUEL 2019 - Seattle, United States
Duration: 2019 Sep 222019 Sep 27

Conference

Conference14th International Nuclear Fuel Cycle Conference, GLOBAL 2019 and Light Water Reactor Fuel Performance Conference, TOP FUEL 2019
CountryUnited States
CitySeattle
Period19/9/2219/9/27

ASJC Scopus subject areas

  • Fuel Technology
  • Nuclear Energy and Engineering

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