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Journal of Radioanalytical and Nuclear Chemistry

, Volume 316, Issue 3, pp 1165–1172 | Cite as

Adsorption and separation behaviors of molybdenum from high-level liquid waste using a silica-based hydroxyoxime impregnated adsorbent

  • Tatsuya Ito
  • Seong-Yun Kim
Article
  • 104 Downloads

Abstract

To separate Mo(VI) from high-level liquid waste, a silica-based (anti-DEHDO + Dodec)/SiO2-P adsorbent was synthesized by impregnating an anti-isomer of 5,8-dietyl-7-hydroxy-6-dodecanonoxime (DEHDO) as a hydroxyoxime-type extractant and a molecule modifier of 1-dodecanol into a SiO2-P support, where “P” indicates the polymerized styrene–divinylbenzene inside macroporous SiO2 particles. Adsorption and separation behaviors of Mo(VI) in HNO3 solutions onto the adsorbent were investigated by batch and column methods, respectively. The adsorbent can effectively adsorb Mo(VI) in both methods. In addition, Pd(II) and Zr(IV) contained in the simulated high-level liquid waste were successfully isolated by the adsorbent packed column, respectively.

Keywords

Macroporous silica-based adsorbent Hydroxyoxime Molybdenum Adsorption High-level liquid waste 

Notes

Acknowledgements

This work was supported by JSPS KAKENHI Grant Number 16H02444.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.Department of Quantum Science and Energy Engineering, Graduate School of EngineeringTohoku UniversitySendaiJapan

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