Treatment of Acidic Solutions Containing As(III) and As(V) by Sulfide Precipitation: Comparison of Precipitates and Sulfurization Process

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成果类型：

期刊论文

作者：

Xu, Hui;Wang, Yunyan;Yao, Liwei;Ke, Yong;Luo, Yongjian;...

通讯作者：

Liwei Yao<&wdkj&>Yunyan Wang

作者机构：

[Ke, Yong; Du, Jiali; Wang, Yunyan; Cao, Junjie; Min, Xiaobo; Zhang, Limin; Xu, Hui; Yu, Lin; Luo, Yongjian] Cent South Univ, Sch Met & Environm, Changsha 410083, Peoples R China.

[Ke, Yong; Wang, Yunyan; Min, Xiaobo] Chinese Natl Engn Res Ctr Control & Treatment Heav, Changsha 410083, Peoples R China.

[Ke, Yong; Wang, Yunyan; Min, Xiaobo] Water Pollut Control Technol Key Lab Hunan Prov, Changsha 410004, Peoples R China.

[Yao, Liwei] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Peoples R China.

通讯机构：

[Liwei Yao] A

[Yunyan Wang] W

Authors to whom correspondence should be addressed.<&wdkj&>College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China<&wdkj&>Water Pollution Control Technology Key Laboratory of Hunan Province, Changsha 410004, China<&wdkj&>Authors to whom correspondence should be addressed.<&wdkj&>School of Metallurgy and Environment, Central South University, Changsha 410083, China<&wdkj&>Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha 410083, China

语种：

英文

关键词：

sulfurization;precipitate-As(III);precipitate-As(V);elemental S;As 2 S 3

期刊：

Metals

ISSN：

2075-4701

年：

2023

卷：

期：

页码：

794-

DOI：

10.3390/met13040794

基金类别：

This research was supported by the National Key R&D Program of China (2018YFC1903301, 2018YFC1900301), National Science Fund for Distinguished Young Scholars (51825403), and National Natural Science Foundation of China (51634010, 51904354).

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本校为其他机构

院系归属：

资源环境学院

摘要：

Sulfide precipitation has been widely applied to remove arsenic from acidic wastewater containing As(III) and As(V), due to its simple process and high efficiency. However, the characteristics and composition of the precipitates are also of importance for its further treatment and disposal. To explore the characteristics of elemental S formed by reduction and the combined form of the generated S and As2S3, the characteristics of precipitates sulfurized from As(III) and As(V) and the effects of temperature, the S(-II) to As ratio (S/As), Cl− co...

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Treatment of Acidic Solutions Containing As(III) and As(V) by Sulfide Precipitation: Comparison of Precipitates and Sulfurization Process

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