Immobilization and release behaviors of uranium mediated by the redox processes between manganese oxides and dissolved organic matter: Effects of pH and goethite

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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：

Huang, Xixian;Dou, Ye;Yang, Bing;Ding, Yang*

通讯作者：

Ding, Yang

作者机构：

[Huang, Xixian; Dou, Ye; Yang, Bing] School of Resource & Environment and Safety Engineering, University of South China, Hengyang, Hunan 421001, China

Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang 421001, China

[Ding, Yang] School of Resource & Environment and Safety Engineering, University of South China, Hengyang, Hunan 421001, China<&wdkj&>Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang 421001, China

通讯机构：

[Yang Ding] S

School of Resource & Environment and Safety Engineering, University of South China, Hengyang, Hunan 421001, China<&wdkj&>Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang 421001, China

语种：

英文

关键词：

DOM;Iron oxyhydroxides;Manganese dioxide;Soils;Uranium tailings ponds

期刊：

Journal of Hazardous Materials

ISSN：

0304-3894

年：

2025

卷：

490

页码：

137860

DOI：

10.1016/j.jhazmat.2025.137860

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：

Both manganese dioxide (MnO₂) and dissolved organic matter (DOM) exert a significant influence on the chemical species of uranium in the contaminated soils, yet the impacts of the interactions between MnO 2 and DOM, particularly in the presence of iron oxyhydroxides, on the environmental behaviors of uranium have not been elucidated. In this study, the dynamic behaviors of uranium were investigated during the reactions of DOM with δ-MnO 2 in the presence of goethite at different pH values, by employing a combination of kinetic experiments, sp...

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Immobilization and release behaviors of uranium mediated by the redox processes between manganese oxides and dissolved organic matter: Effects of pH and goethite

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