Mechanisms of arsenate and cadmium co-immobilized on ferrihydrite inferred from ternary surface configuration

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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：

Li, Bingyu;Wei, Dongning;Zhou, Yimin;Huang, Yayuan;Tie, Boqing;...

通讯作者：

Lei, Ming

作者机构：

[Huang, Yayuan; Tie, Boqing; Li, Bingyu; Wei, Dongning; Lei, Ming; Zhou, Yimin] Hunan Agr Univ, Coll Resource & Environm, Changsha 410128, Peoples R China.

[Huang, Yayuan; Tie, Boqing; Li, Bingyu; Wei, Dongning; Lei, Ming; Zhou, Yimin] Hunan Engn & Technol Res Ctr Irrigat Water Purifi, Changsha 410128, Peoples R China.

[Huang, Yayuan; Tie, Boqing; Li, Bingyu; Wei, Dongning; Lei, Ming; Zhou, Yimin] Minist Agr, Key Lab Southern Farmland Pollut Prevent & Contro, Changsha 410128, Peoples R China.

[Huang, Yayuan; Tie, Boqing; Li, Bingyu; Wei, Dongning; Lei, Ming; Zhou, Yimin] Prov Key Lab Rural Ecosyst Hlth Dongting Lake Are, Changsha 410128, Hunan, Peoples R China.

通讯机构：

[Lei, Ming] H

[Lei, Ming] M

[Lei, Ming] P

Hunan Agr Univ, Coll Resource & Environm, Changsha 410128, Peoples R China.

Hunan Engn & Technol Res Ctr Irrigat Water Purifi, Changsha 410128, Peoples R China.

语种：

英文

关键词：

ATR-FTIR;Arsenate;Cadmium;Adsorption;Ternary complex

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2021

卷：

424

页码：

130410

DOI：

10.1016/j.cej.2021.130410

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41671475, 41907015]; Ministry of Science and Technology of ChinaMinistry of Science and Technology, China [2018YFD0800700]; Excellent Doctoral Dissertation Cultivation Fund of Hunan Agricultural University [YB2018004]

机构署名：

本校为第一且通讯机构

院系归属：

资源环境学院

摘要：

Elucidating the interfacial interactions of arsenate (AsO43-) and cadmium (Cd) on minerals can better reveal their environmental behavior under various geological settings. Herein, the adsorption of Cd on ferrihydrite (Fh) in the presence of arsenate was investigated through batch experiments, surface complexation, and spectroscopic techniques. We determined the concentration-dependent interactions of Cd (II) and As (V) on each other's behavior on Fh. Cadmium and arsenate tended to co-precipitate at high Cd/As ratios, whereas adsorption dominat...

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Mechanisms of arsenate and cadmium co-immobilized on ferrihydrite inferred from ternary surface configuration

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