Progress of metal-organic frameworks for uranium extraction from seawater

被引：0
|
作者：
Zhu Y. [1 ]
Xu Y. [1 ]
Jian M. [1 ,2 ,3 ]
Li H. [1 ,2 ,3 ]
Wang C. [1 ,4 ]
机构：
[1] School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing
[2] Beijing Engineering Research Center of Sustainable Urban Sewage System Construction and Risk Control, Beijing
[3] Beijing Energy Conservation & Sustainable Urban and Rural Development Provincial, Ministry Co-construction Collaboration Innovation Center, Beijing
[4] Key Laboratory of Functional Materials for Building Structure and Environment Remediation, Beijing University of Civil Engineering and Architecture, Beijing
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2023年 / 42卷 / 06期
关键词：
composites; functionalization; metal-organic frameworks (MOFs); seawater; uranium capture;
D O I：
10.16085/j.issn.1000-6613.2022-1434
中图分类号：
学科分类号：
摘要：
With the increasing demand for nuclear energy, it is of great significance to extract uranium from seawater as a supplement or substitute for traditional uranium resources. Owing to the high specific surface area and tunable pore structure, metal-organic frameworks (MOFs) have attracted extensive attention in academia as a novel adsorbent for uranium capture. Regarding the water instability, low selectivity and difficult separation of MOFs from seawater after uranium capture, these issues can be addressed by surface modification and composite with heterogeneous materials. This paper briefly introduced the structural advantages of MOFs materials for uranium extraction in water, analyzed the influence factors of water stability, listed the properties of three representative types of water-stable MOFs materials, summarized the performance of these MOFs applied to extract uranium from seawater and investigated the mechanism. Meanwhile, the uranium extraction performance by pristine MOFs, surface-functionalized MOFs and MOFs composites are compared. Based on the structural characteristics of MOFs and the adsorption mechanism of uranyl ions, it is concluded that the future development direction of uranium-removing MOFs adsorbents is to improve water stability, perform surface functionalization of MOFs and expand multiple material composite methods. © 2023 Chemical Industry Press. All rights reserved.
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页码：3029 / 3048
页数：19
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