Evolutional solid phase and solid-liquid interface uranium immobilization mechanisms by nanoscale zero-valent iron and enhanced uranium stability control strategy

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成果类型：

期刊论文

作者：

Hua, Yilong;Li, Donghan;Zou, Jinglan;Wang, Wei;Wu, Xiaoyan;...

通讯作者：

Yang, Jianping(jianpingyang@dhu.edu.cn)

作者机构：

[Hua, Yilong; Li, Mi; Zou, Jinglan; Yang, Jianping; Zhang, Xiaowen; Wu, Xiaoyan; Li, Donghan] Univ South China, Sch Resource Environm & Safety Engn, Hengyang 421001, Hunan, Peoples R China.

[Hua, Yilong; Yang, Jianping] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China.

[Hua, Yilong; Li, Mi; Zou, Jinglan; Wang, Wei; Zhang, Xiaowen; Wu, Xiaoyan; Li, Donghan] Univ South China, United Lab Heavy Met Pollut Control & Resource Reu, Hengyang 421001, Hunan, Peoples R China.

[Zhao, Guodong; Liu, Qing] Univ South China, Hunan Key Lab Pollut Control & Resource Reuse, Hengyang 421001, Hunan, Peoples R China.

[Zhang, Wei-xian] Tongji Univ, Coll Environm Sci & Engn, State Key Lab Pollut Control, Shanghai 200092, Peoples R China.

通讯机构：

[Jianping Yang] S

School of Resource Environment and Safety Engineering, University of South China, Hengyang, Hunan 421001, China<&wdkj&>State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China

语种：

英文

关键词：

Continuous flow stirred tank reactor;Eh control strategy;Nanoscale zero-valent iron;Uranium stability;Uranium wastewater

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2023

卷：

453

页码：

139924

DOI：

10.1016/j.cej.2022.139924

基金类别：

This work has been supported by the National Natural Science Foundation of China (No. 52172291 and 52122312 ), the University Innovation Platform Open Fund Projects of Hunan Province (No. 20K111), the Science and Technology Planning Project of Hunan Province (No. 2019RS2042) and the Hengyang Key Laboratory of Heavy Metal Water Pollution Control (No. 202150083887). This work has also been supported by the Research Foundation of Education Bureau of Hunan Province, China (No. 21A0286).

机构署名：

本校为第一机构

院系归属：

土木工程学院

摘要：

Uranium is a carbon dioxide free nuclear energy, and uranium-contained wastewater poses serious chronic health effects toward human. Nanoscale zero-valent iron (nZVI) separates uranium from wastewater with ultrafast kinetic, high capacity and selectivity. However, the dynamic interfacial uranium binding mechanisms and its stability, controlled by the phase transformation of nZVI, is important but poorly understood. After 120 h reaction, the fresh nZVI was oxidized and transformed to ferrihydrite and then lepidocrocite and hematite. Analysis for...

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Evolutional solid phase and solid-liquid interface uranium immobilization mechanisms by nanoscale zero-valent iron and enhanced uranium stability control strategy

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