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Electrochemical extraction of Sm(III) on active Ni electrode fabricated Sm–Ni alloys

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Abstract

The reductive extraction of Sm(III) from LiCl–KCl–SmCl3 molten salts were investigated by cyclic voltammetry, square wave voltammetry and open-circuit chronopotentiometry techniques. Here, Sm–Ni alloys are prepared by molten salt electrolysis in LiCl–KCl–SmCl3 molten salt system on active Ni electrode. The physicochemical characteristics of the Sm–Ni alloys were determined by X-ray power diffraction, high-resolution transmission electron microscopy-selected area electron diffraction and X-ray photoelectron spectroscopy. The electrochemical extraction can attain about 88.5–78.5%. The results show that this method can be used to recover lanthanides from residual fission products in salts.

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Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (21906019, 21906018, 21561002, 21866004, 21866003), the Science and Technology Support Program of Jiangxi Province (Grant No. 2018ACB21007), the Jiangxi Program of Academic and Technical Leaders of Major Disciplines (Grant No. 20182BCB22011), the Project of the Jiangxi Provincial Department of Education (Grant Nos. GJJ160550, GJJ180385, GJJ180400). The authors declare that they have no competing interests.

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Authors and Affiliations

  1. State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, Jiangxi, People’s Republic of China

    Yuhui Liu, Shuang Zhang, Weihong Zhong, Gengkun Cui, Yingcai Wang, Ying Dai, Xiaohong Cao, Youqun Wang, Zhibin Zhang & Yunhai Liu

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  1. Yuhui Liu
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  7. Xiaohong Cao
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Correspondence to Zhibin Zhang or Yunhai Liu.

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Liu, Y., Zhang, S., Zhong, W. et al. Electrochemical extraction of Sm(III) on active Ni electrode fabricated Sm–Ni alloys. J Radioanal Nucl Chem 322, 1003–1010 (2019). https://doi.org/10.1007/s10967-019-06775-4

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