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Efficient capture of U(VI) by magnetic Zr(IV)-ethylenediamine tetramethylene phosphonic acid inorganic-organic hybrid

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11 April 2024 Editor's Note: Readers are alerted that the concerns have been raised with this article. Editorial action will be taken as appropriate once this matter is resolved and all parties have been given an opportunity to respond in full.

Abstract

The separation of magnetic adsorbents from aqueous solutions is made simple by using an external magnetic field. Herein, magnetic Zr(IV)-ethylenediamine tetramethylene phosphonic acid (EDTMPA) hybrids (MZrOP-x-T, x, and T were the different quality of Fe3O4@C and temperature in the synthesis process, respectively). A study was conducted on the uses of MZrOP-x-T in the capture of U(VI). The influences of pH, adsorption period, initial concentration, and temperature were all investigated. Furthermore, the desorption and reusability of the materials were explored. The optimal values of x and T were 0.2 g and 100 °C, respectively. At 298.15 K, the maximum adsorption capacity of MZrOP-0.2-100 was 330.30 mg·g−1. The current research demonstrates that MZrOP-0.2-100 is a potentially effective material in removing U(VI) from radioactive solution.

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  • 11 April 2024

    Editor's Note: Readers are alerted that the concerns have been raised with this article. Editorial action will be taken as appropriate once this matter is resolved and all parties have been given an opportunity to respond in full.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (21906017, 21866004, 21866003) and Jiangxi Provincial Natural Science Foundation (grant nos. 20202BABL213026 and 20202BABL203016).

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Qie Luo wrote the entire draft of the manuscript. The core conceptual idea and study design were all provided by Youqun Wang and Xiaohong Cao separately. The preparation and adsorptive experiments were conducted with Bo Xiao. Material preparation and data analysis were completed by WenZheng Cui, Huan Wang, and Yunhai Liu. The characterization analysis of the adsorbents was worked out by Zhibin Zhang and Lei Chen.

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Correspondence to Xiaohong Cao.

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Luo, Q., Cui, W., Wang, H. et al. Efficient capture of U(VI) by magnetic Zr(IV)-ethylenediamine tetramethylene phosphonic acid inorganic-organic hybrid. Environ Sci Pollut Res 29, 68320–68331 (2022). https://doi.org/10.1007/s11356-022-20548-9

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