Efficient and rapid capture of uranium(VI) in wastewater <i>via</i> multi-amine modified β-cyclodextrin porous polymer

Xing Zhong; Yubin Tan; Siyuan Wu; Caixia Hu; Kai Guo; Yongchuan Wu; Neng Yu; Mingyang Ma; Ying Dai

doi:10.1016/j.cjche.2023.12.018

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Efficient and rapid capture of uranium(VI) in wastewater via multi-amine modified β-cyclodextrin porous polymer

Updated：2026-01-06

- Efficient and rapid capture of uranium(VI) in wastewater via multi-amine modified β-cyclodextrin porous polymer
- Efficient and rapid capture of uranium(VI) in wastewater via multi-amine modified β-cyclodextrin porous polymer
- 中国化学工程学报（英文版） 2024年68卷第4期页码：144-155
- Affiliations：
  
  School of Chemistry and Materials Science, East China University of Technology,Nanchang,China,330013
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2023.12.018
  中图分类号：
- 纸质出版：2024
- Accepted：
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Xing Zhong, Yubin Tan, Siyuan Wu, 等. Efficient and rapid capture of uranium(VI) in wastewater via multi-amine modified β-cyclodextrin porous polymer[J]. 中国化学工程学报（英文版）, 2024,68(4):144-155. DOI: 10.1016/j.cjche.2023.12.018.

multi-amine modified β-cyclodextrin porous polymer[J]. 中国化学工程学报, 2024, 68(4): 144-155.
Xing Zhong, Yubin Tan, Siyuan Wu, 等. Efficient and rapid capture of uranium(VI) in wastewater via multi-amine modified β-cyclodextrin porous polymer[J]. 中国化学工程学报（英文版）, 2024,68(4):144-155. DOI: 10.1016/j.cjche.2023.12.018. DOI：

multi-amine modified β-cyclodextrin porous polymer[J]. 中国化学工程学报, 2024, 68(4): 144-155. DOI： 10.1016/j.cjche.2023.12.018.

摘要

Abstract

It is quite important to ensure the safety and sustainable development of nuclear energy for the treatment of radioactive wastewater. To treat radioactive wastewater efficiently and rapidly

two multi-amine β-cyclodextrin polymers (diethylenetriamine β-cyclodextrin polymer (DETA-TFCDP) and triethylenetetramine β-cyclodextrin polymer (TETA-TFCDP)) were prepared and applied to capture uranium. Results exhibited that DETA-TFCDP and TETA-TFCDP displayed the advantages of high adsorption amounts (612.2 and 628.2 mg·g

-1

respectively) and rapid adsorption rates

which can reach (88 ±1)% of their equilibrium adsorption amounts in 10 min. Moreover

the adsorbent processes of DETA-TFCDP and TETA-TFCDP on uranium(VI) followed the Langmuir model and pseudo-second-order model

stating they were mainly chemisorption and self-endothermic. Besides

TETA-TFCDP also showed excellent selectivity in the presence of seven competing cations and could be effectively reused five times

via

as the desorption reagent. Meanwhile

X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy illustrated that the enriched multi-amine groups and oxygen-containing functional groups on the surface of TETA-TFCDP were the main active sites for capturing uranium(VI). Hence

multi-amine β-cyclodextrin polymers are a highly efficient

rapid

and promising adsorbent for capturing uranium(VI) from radioactive wastewater.

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Efficient and rapid capture of uranium(VI) in wastewater via multi-amine modified β-cyclodextrin porous polymer

Efficient and rapid capture of uranium(VI) in wastewater via multi-amine modified β-cyclodextrin porous polymer

DOI：10.1016/j.cjche.2023.12.018

摘要

Abstract

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