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Evaluation study on silica/polymer-based CA-BTP adsorbent for the separation of minor actinides from simulated high-level liquid wastes

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Abstract

A silica/polymer-based CA-BTP/SiO2–P adsorbent was prepared to separate minor actinides and some key radionuclides from HLLW. The adsorption properties of CA-BTP/SiO2–P toward 238U(VI), 239Pu(IV), 241Am(III), 99Tc(VII), 152Eu(III), and some typical fission products were studied. CA-BTP/SiO2–P stability against γ-radiation was also evaluated. It found CA-BTP/SiO2–P showed very poor adsorption abilities toward U(VI) and most experimental FPs, while CA-BTP/SiO2–P exhibited higher adsorption abilities toward 241Am(III), 239Pu(IV), and 99Tc(VII) in 0.5–1 M HNO3 solution. Moreover, dry CA-BTP/SiO2–P demonstrated no instability when the radiation dose was up to 161 kGy. CA-BTP/SiO2–P adsorbent is a potential candidate for separating 241Am(III), 239Pu(IV), and 99Tc(VII) from HLLW.

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Acknowledgments

This study was carried out under the support of National Natural Science Foundation with the Project No. 91126006, No.11305102, and the support of the Ministry of Education of Specialized Research Fund for the Doctoral Program of Higher Education with the Project No. 20130073110046.

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Authors and Affiliations

  1. School of Nuclear Science and Engineering, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai, 200240, China

    Shunyan Ning, Qing Zou, Xinpeng Wang, Ruiqin Liu & Yuezhou Wei

  2. Department of Radiochemistry, China Institute of Atomic Energy, Beijing, 102413, China

    Yaping Zhao & Youqian Ding

Authors
  1. Shunyan Ning
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  2. Qing Zou
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  3. Xinpeng Wang
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  4. Ruiqin Liu
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  5. Yuezhou Wei
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  6. Yaping Zhao
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  7. Youqian Ding
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Correspondence to Yuezhou Wei.

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Ning, S., Zou, Q., Wang, X. et al. Evaluation study on silica/polymer-based CA-BTP adsorbent for the separation of minor actinides from simulated high-level liquid wastes. J Radioanal Nucl Chem 307, 993–999 (2016). https://doi.org/10.1007/s10967-015-4248-5

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  • DOI: https://doi.org/10.1007/s10967-015-4248-5

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