Advanced Porous Materials as Designer Platforms for Sequestering Radionuclide Pertechnetate

被引：5

作者：

Xing, Zhiwei ^{[1
]}

Lai, Zhuozhi ^{[1
]}

Sun, Qi ^{[1
]}

Xiao, Chengliang ^{[1
]}

Wang, Shuao ^{[2
]}

Wang, Xiangke ^{[3
]}

Aguila-Ames, Briana ^{[4
]}

Thallapally, Praveen K. ^{[5
]}

Martin, Kyle ^{[6
]}

Ma, Shengqian ^{[6
]}

机构：

[1] Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou

[2] State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou

[3] MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing

[4] New College of Florida, 5800 Bay Shore Road, Sarasota, 34343, FL

[5] Physical and Computational Science Directorate, Pacific Northwest National Laboratory Richland, Richland, 99352, WA

[6] Department of Chemistry, University of North Texas, 1508 West Mulberry Street, Denton, 76201, TX

来源：

Chem and Bio Engineering | 2024年 / 1卷 / 03期

关键词：

!sup]99[!/sup]TcO[!sub]4[!/sub][!sup]−[!/sup] removal; covalent organic frameworks; metal−organic frameworks; nuclear waste treatment; organic polymers;

D O I：

10.1021/cbe.3c00125

中图分类号：

学科分类号：

摘要：

Technetium-99 (99Tc), predominantly present as pertechnetate (99TcO4-), is a challenging contaminant in nuclear waste from artificial nuclear fission. The selective removal of 99TcO4- from nuclear waste and contaminated groundwater is complex due to (i) the acidic and intricate nature of high-level liquid wastes; (ii) the highly alkaline environment in low-activity level tank wastes, such as those at Hanford, and in high-level wastes at locations like Savannah River; and (iii) the potential for 99TcO4- to leak into groundwater, risking severe water pollution due to its high mobility. This Review focuses on recent developments in advanced porous materials, including metal-organic frameworks (MOFs), covalent organic frameworks (COFs), and their amorphous counterparts, porous organic polymers (POPs). These materials have demonstrated exceptional effectiveness in adsorbing 99TcO4- and similar oxyanions. We comprehensively review the adsorption mechanisms of these anions with the adsorbents, employing macroscopic batch/column experiments, microscopic spectroscopic analyses, and theoretical calculations. In conclusion, we present our perspectives on potential future research directions, aiming to overcome current challenges and explore new opportunities in this area. Our goal is to encourage further research into the development of advanced porous materials for efficient 99TcO4- management. © 2024 The Authors. Co-published by Zhejiang University and American Chemical Society.

引用

页码：199 / 222

页数：23

共 110 条

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