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Study on detoxification behavior of poisoned resin in neutral uranium hydrometallurgy process

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Abstract

Poisoning of ion exchange resin often occurs in uranium hydrometallurgy processes, which reduces or even depletes the adsorption capacity of uranium adsorption. Many regeneration methods have been investigated but their static desorption efficiency is undesirable and only the recovery rate is considered in the selection of regenerant. In this paper, NaClO was selected as an antidote based on a series of investigation indexes. After detoxification by dynamic elution, all performance indexes of the regenerated resin are close to those of the new resin. Compared with static method, reagent consumption and detoxification time can be saved. At the same time of reducing the cost and waste liquid discharge, it also improves the work efficiency.

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Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (21761002), the Nuclear energy development project (technology for the mining and metallurgy of associated uranium resources-on the demonstration of uranium co-mining in Bayan Ura, Inner Mongolia) and the Jiangxi Provincal Key Laboratory of Mass Spectrometry Science and Instrument Development Fund (JSMS201607).

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Authors and Affiliations

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

    Jialing Cai, Jiahui Li, Feifan He, Fuping Liu, Weigang Liu, Jiahui Feng, Haoqi Yu, Yu Feng, Jinhu Wu & Rong Hua

  2. Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, East China University of Technology, Nanchang, 330013, Jiangxi, China

    Jialing Cai & Rong Hua

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  1. Jialing Cai
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  2. Jiahui Li
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  8. Yu Feng
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Correspondence to Rong Hua.

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Cai, J., Li, J., He, F. et al. Study on detoxification behavior of poisoned resin in neutral uranium hydrometallurgy process. J Radioanal Nucl Chem 328, 1115–1126 (2021). https://doi.org/10.1007/s10967-021-07696-x

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  • DOI: https://doi.org/10.1007/s10967-021-07696-x

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