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Enhanced sequestration of uranium by coexisted lead and organic matter during ferrihydrite transformation

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成果类型:
期刊论文
作者:
Huang, Xixian;Ding, Yang;Zhu, Nengwu;Li, Liuqin;Fang, Qi
通讯作者:
Yang Ding
作者机构:
[Li, Liuqin; Fang, Qi] School of Resource & Environment and Safety Engineering, University of South China, Hengyang, Hunan, 421001, PR China
[Zhu, Nengwu] School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, PR China
Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, PR China
[Huang, Xixian] School of Resource & Environment and Safety Engineering, University of South China, Hengyang, Hunan, 421001, PR China<&wdkj&>School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, PR China
[Ding, Yang] School of Resource & Environment and Safety Engineering, University of South China, Hengyang, Hunan, 421001, PR China<&wdkj&>Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, PR China
通讯机构:
[Yang Ding] S
School of Resource & Environment and Safety Engineering, University of South China, Hengyang, Hunan, 421001, PR China<&wdkj&>Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, PR China
语种:
英文
关键词:
Dissolved organic matter;Fe (oxyhydr)oxides;Fh transformation;Pb;U sequestration
期刊:
Chemosphere
ISSN:
0045-6535
年:
2023
卷:
341
页码:
140041
机构署名:
本校为第一且通讯机构
院系归属:
核资源工程学院
摘要:
The dynamic reactions of uranium (U) with iron (Fe) minerals change its behaviors in soil environment, however, how the coexisted constituents in soil affect U sequestration and release on Fe minerals during the transformation remains unclear. Herein, coupled effects of lead (Pb) and dissolved organic matter (DOM) on U speciation and release kinetics during the catalytic transformations of ferrihydrite (Fh) by Fe(II) were investigated. Our results revealed that the coexistence of Pb and DOM significantly reduced U release and increased the immobilization of U during Fh transformation, which we...

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