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Three novel indole-based porous organic polymers for efficient iodine capture in water

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Abstract

Three novel indole-based porous organic polymers (I3CA-POP, TAT-POP and Isatin-POP) were prepared for iodine adsorption from aqueous solution. It is worth noting that a polymerization process accompanying decarboxylation and a new method of constructing tertiary carbon center by ethanol and chloroform were proposed in the preparation of I3CA-POP and TAT-POP, respectively. In addition, our results indicate that I3CA-POP outperforms other sorbents in both I2 aqueous solution and KI3 aqueous solution. More importantly, the adsorption kinetics, thermodynamics, regeneration and mechanism studies of I3CA-POP were performed, demonstrating that physisorption and chemisorption may proceed at the same time in the iodine removal process.

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Acknowledgements

This work was supported by National Natural Science Foundation of China (21978188, 22278294, 21506143); Natural Science Foundation of Shanxi Province (20210302123191); Scientific and Technologial Innovation Programs of Higher Education Institutions in Shanxi (2022L602).

Funding

National Natural Science Foundation of China,21978188,Jie Mi,22278294,Mengmeng Wu,21506143,Mengmeng Wu,Natural Science Foundation of Shanxi Province,20210302123191,Mengmeng Wu,Scientific and Technologial Innovation Programs of Higher Education Institutions in Shanxi,2022L602,Luna Song

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Authors and Affiliations

  1. State Key Laboratory of Clean and Efficient Coal Utilization/Key Laboratory of Coal Science and Technology of Shanxi Province and Ministry of Education, University of Technology, Taiyuan, 030024, Shanxi, China

    Jingwen Yu, Yeshuang Wang, Tianhao Bai, Caimei Long, Mengmeng Wu, Yu Feng & Jie Mi

  2. Lu’an Chemical Group Co., Ltd, Changzhi, 046204, Shanxi, China

    Jingwen Yu

  3. Shanxi Institute of Energy, Jinzhong, 030600, Shanxi, China

    Luna Song

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  1. Jingwen Yu
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Yu, J., Song, L., Wang, Y. et al. Three novel indole-based porous organic polymers for efficient iodine capture in water. J Radioanal Nucl Chem 332, 4271–4290 (2023). https://doi.org/10.1007/s10967-023-09115-9

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