Cotransport of uranyl carbonate loaded on amorphous colloidal silica and strip-shaped humic acid in saturated porous media: Behavior and mechanism

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Hou, Wei;Lei, Zhiwu;Hu, Eming;Wang, Hongqiang;Wang, Qingliang;...

通讯作者：

Wang, Qingliang(670566869@qq.com)

作者机构：

[Hou, Wei; Wang, Hongqiang; Wang, Qingliang; Li, Hui; Zhang, Rui; Hu, Eming; Lei, Zhiwu] Univ South China, Sch Resource & Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Hou, Wei; Wang, Qingliang] Univ South China, Cooperat Innovat Ctr Nucl Fuel Cycle Technol & Eq, Hengyang 421001, Peoples R China.

[Wang, Hongqiang] Univ South China, Hengyang Key Lab Soil Pollut Control & Remediat, Hengyang 421001, Peoples R China.

[Wang, Qingliang; Hu, Eming; Lei, Zhiwu] Univ South China, Hunan Key Lab Rare Met Minerals Exploitat & Geol, Hengyang 421001, Peoples R China.

通讯机构：

[Qingliang Wang] S

School of Resource & Environment and Safety Engineering, University of South China, Hengyang, 421001, China<&wdkj&>Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment, University of South China, Hengyang, 421001, China<&wdkj&>Hunan Key Laboratory of Rare Metal Minerals Exploitation and Geological Disposal of Wastes, University of South China, Hengyang, 421001, China

语种：

英文

关键词：

Amorphous silica;Cotransport;Humic acid;Radioactive pollution;Uranyl carbonate

期刊：

Environmental Pollution

ISSN：

0269-7491

年：

2021

卷：

285

页码：

117230

DOI：

10.1016/j.envpol.2021.117230

基金类别：

This work was financially supported by the National Natural Science Foundation of China ( 11675072 ), and the Hunan Provincial Innovation Foundation For Postgraduate ( CX20190719 ).

机构署名：

本校为第一机构

院系归属：

机械工程学院

摘要：

Uranyl carbonate (UC(VI)) is a stable form of uranyl (U(VI)) that widely coexists with amorphous colloidal silica (ACSi) and humic acid (HA) in carbonate-rich U-contaminated areas. In this context, the cotransport behavior and mechanism of UC(VI) with ACSi (100 mg L−1) and HA colloids in saturated porous media were systematically investigated. It was found that the ACSi and strip-shaped HA have a strong adsorption capacity for UC(VI), and their adsorption distribution coefficient (Kd) is 4–5 orders of magnitude higher than that of quartz sand...

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Cotransport of uranyl carbonate loaded on amorphous colloidal silica and strip-shaped humic acid in saturated porous media: Behavior and mechanism

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