Two Facile Aniline-Based Hypercrosslinked Polymer Adsorbents for Highly Efficient Iodine Capture and Removal

Effective capture and safe disposal of radioactive iodine ( I or I) during nuclear power generation processes have always been a worldwide environmental concern. Low-cost and high-efficiency iodine removal materials are urgently needed. In this study, we synthesized two aniline-based hypercrosslinke...

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Veröffentlicht in:International journal of molecular sciences 2022-12, Vol.24 (1), p.370
Hauptverfasser: Liu, Biying, Mao, Chaochao, Zhou, Zian, Wang, Qiannan, Zhou, Xiong, Liao, Zhijie, Deng, Ran, Liu, Defei, Beiyuan, Jingzi, Lv, Daofei, Li, Jiesen, Huang, Liyun, Chen, Xin, Yuan, Wenbing
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container_issue 1
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container_title International journal of molecular sciences
container_volume 24
creator Liu, Biying
Mao, Chaochao
Zhou, Zian
Wang, Qiannan
Zhou, Xiong
Liao, Zhijie
Deng, Ran
Liu, Defei
Beiyuan, Jingzi
Lv, Daofei
Li, Jiesen
Huang, Liyun
Chen, Xin
Yuan, Wenbing
description Effective capture and safe disposal of radioactive iodine ( I or I) during nuclear power generation processes have always been a worldwide environmental concern. Low-cost and high-efficiency iodine removal materials are urgently needed. In this study, we synthesized two aniline-based hypercrosslinked polymers (AHCPs), AHCP-1 and AHCP-2, for iodine capture in both aqueous and gaseous phases. They are obtained by aniline polymerization through Friedel-Crafts alkylation and Scholl coupling reaction, respectively, with high chemical and thermal stability. Notably, AHCP-1 exhibits record-high static iodine adsorption (250 wt%) in aqueous solution. In the iodine vapor adsorption, AHCP-2 presents an excellent total iodine capture (596 wt%), surpassing the most reported amorphous polymer adsorbents. The rich primary amine groups of AHCPs promote the rapid physical capture of iodine from iodine water and iodine vapor. Intrinsic features such as low-cost preparation, good recyclability, as well as excellent performance in iodine capture indicate that the AHCPs can be used as potential candidates for the removal of iodine from radioactive wastewater and gas mixtures.
doi_str_mv 10.3390/ijms24010370
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Low-cost and high-efficiency iodine removal materials are urgently needed. In this study, we synthesized two aniline-based hypercrosslinked polymers (AHCPs), AHCP-1 and AHCP-2, for iodine capture in both aqueous and gaseous phases. They are obtained by aniline polymerization through Friedel-Crafts alkylation and Scholl coupling reaction, respectively, with high chemical and thermal stability. Notably, AHCP-1 exhibits record-high static iodine adsorption (250 wt%) in aqueous solution. In the iodine vapor adsorption, AHCP-2 presents an excellent total iodine capture (596 wt%), surpassing the most reported amorphous polymer adsorbents. The rich primary amine groups of AHCPs promote the rapid physical capture of iodine from iodine water and iodine vapor. 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subjects Aniline Compounds
Gases
Iodine
Iodine Radioisotopes
Polymers
Water
title Two Facile Aniline-Based Hypercrosslinked Polymer Adsorbents for Highly Efficient Iodine Capture and Removal
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