Unraveling the influence of pH on uranium adsorption by polystyrene microplastics: An integrated experimental-density functional theory analysis

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成果类型：

期刊论文

作者：

Tang, Zhenping;Wei, Fuxing;Song, Jian;Gao, Yuanyuan;Duan, Yi;...

通讯作者：

Zhou, S

作者机构：

[Zhou, Shuai; Duan, Yi; Wang, Jinsong; Xiang, Chao; Tang, Zhenping] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

[Gao, Yuanyuan; Zhou, Shuai; Wei, Fuxing; Gong, Zixuan; Tang, Zhenping; Song, Jian] Univ South China, Sch Resources Environm & Safety Engn, Hunan Prov Key Lab Rare Met Minerals Exploitat & G, Hengyang 421001, Peoples R China.

[Zhu, Feiyu] Chongqing Univ, Inst Engn Thermal Phys, Sch Energy & Power Engn, Chongqing 400030, Peoples R China.

[Su, Yinglong] East China Normal Univ, Sch Ecol & Environm Sci, Shanghai 200241, Peoples R China.

通讯机构：

[Zhou, S ] U

Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

Univ South China, Sch Resources Environm & Safety Engn, Hunan Prov Key Lab Rare Met Minerals Exploitat & G, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Polystyrene microplastics;pH;Uranium;Adsorption;Aged;Hydrogen bonding

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2025

卷：

506

页码：

160233

DOI：

10.1016/j.cej.2025.160233

基金类别：

National Natural Science Foundation of China [52100219]; Natural Science Foundation of Hunan Province, China [2024JJ5329]

机构署名：

本校为第一且通讯机构

院系归属：

土木工程学院

摘要：

Microplastics (MPs) are emerging pollutants that play an important role in the spread of highly toxic heavy metals. Although the pH has been shown to exert a substantial impact on the adsorption capacity of MPs towards heavy metals, the intricate mechanisms underlying how pH functions in the adsorption of radioactive heavy metals by MPs remain largely elusive. Here, we combined batch experiments and density functional theory calculations to investigate the adsorption behavior of radioactive uranium (U) on virgin and aged (modified with –OH or ...

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Unraveling the influence of pH on uranium adsorption by polystyrene microplastics: An integrated experimental-density functional theory analysis

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