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Acid mine drainage sludge as an iron source modified biochar for Sb(III/V) removal: mechanisms and adsorption behavior with As(III)

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成果类型:
期刊论文
作者:
Chen, Yonglin;Yang, Wentao;Liu, Hongyan;Wu, Yuhong;Yu, Yingxue;...
通讯作者:
Yang, WT
作者机构:
[Yang, Wentao; Zhang, Jian; Wu, Yuhong; Liu, Hongyan; Wang, Bing; Chen, Yonglin; Yang, Liyu; Wu, Pan; Yu, Yingxue] Guizhou Univ, Coll Resource & Environm Engn, Key Lab Karst Geol Resources & Environm, Minist Educ, Guiyang 550025, Peoples R China.
[Liu, Hongyan] Guizhou Univ, Coll Agr, Guiyang 550025, Peoples R China.
[Wang, Shengsen] Yangzhou Univ, Coll Environm Sci & Engn, Yangzhou 225127, Peoples R China.
[Zhou, Hang] Cent South Univ Forestry & Technol, Coll Environm Sci & Engn, Changsha 410004, Peoples R China.
通讯机构:
[Yang, WT ] G
Guizhou Univ, Coll Resource & Environm Engn, Key Lab Karst Geol Resources & Environm, Minist Educ, Guiyang 550025, Peoples R China.
语种:
英文
关键词:
Biochar;AMD sludge;Antimony;Immobilization mechanism;Waste utilization
期刊:
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
ISSN:
2213-2929
年:
2025
卷:
13
期:
5
页码:
118163
基金类别:
CRediT authorship contribution statement Liyu Yang: Writing – review & editing. Bing Wang: Writing – review & editing, Validation. Hang Zhou: Writing – review & editing, Validation. Wang Shensen: Writing – review & editing, Validation. Yonglin Chen: Writing – original draft, Visualization, Data curation. Pan Wu: Writing – review & editing, Conceptualization. Wentao Yang: Writing – review & editing, Visualization, Validation, Project administration, acquisition, Data curation, Conceptualization. Yuhong Wu: Validation, Data
机构署名:
本校为其他机构
院系归属:
环境科学与工程学院
摘要:
Strong acidity of antimony (Sb) mine drainage enhances Sb and arsenic (As) mobility, posing serious environmental risks. The secondary iron-rich minerals (e.g., goethite, ferrihydrite, and hematite) in acid mine drainage (AMD) sludge can serve as effective iron sources and significantly enhance the Sb immobilization capacity of biochar modified with iron-rich minerals through the specific coordination of its surface iron (hydr)oxides with Sb. Based on above evidence, this study was conducted to develop a “using waste to treat pollution” strat...

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