The role of organic and inorganic substituents of roxarsone determines its binding behavior and mechanisms onto nano-ferrihydrite colloidal particles

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成果类型：

期刊论文

作者：

Lei, Ming;Huang, Yayuan;Zhou, Yimin;Mensah, Caleb Oppong;Wei, Dongning;...

通讯作者：

Bingyu Li

作者机构：

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

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

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

通讯机构：

[Bingyu Li] C

College of Resource & Environment, Hunan Agricultural University, Changsha 410128, China<&wdkj&>Hunan Engineering & Technology Research Center for Irrigation Water Purification, Changsha 410128, China<&wdkj&>Key Laboratory of Southern Farmland Pollution Prevention and Control, Ministry of Agriculture, Changsha 410128, China

语种：

英文

关键词：

2D-COS;Electrostatic interaction;Ferrihydrite;Roxarsone;Surface complexation

期刊：

环境科学学报(英文版)

ISSN：

1001-0742

年：

2023

卷：

129

期：

页码：

30-44

DOI：

10.1016/j.jes.2022.09.035

基金类别：

This work was supported by the National Natural Science Foundation of China(Nos.42207043 and 41671475) the Ministry of Science and Technology of China(Nos.2022YFD1700101 and 2018YFD0800700) the Excellent Doctoral Dissertation Cultivation Fund of Hunan Agricultural University(No.YB2018004).

机构署名：

本校为第一机构

院系归属：

资源环境学院

摘要：

The retention and fate of Roxarsone (ROX) onto typical reactive soil minerals were crucial for evaluating its potential environmental risk. However, the behavior and molecular-level reaction mechanism of ROX and its substituents with iron (hydr)oxides remains unclear. Herein, the binding behavior of ROX on ferrihydrite (Fh) was investigated through batch ex-periments and in-situ ATR-FTIR techniques. Our results demonstrated that Fh is an effective geo-sorbent for the retention of ROX. The pseudo-second-order kinetic and the Langmuir model successfully described the sorption process. The drivin...

摘要(中文)：

The retention and fate of Roxarsone(ROX)onto typical reactive soil minerals were crucial for evaluating its po...展开更多 The retention and fate of Roxarsone(ROX)onto typical reactive soil minerals were crucial for evaluating its potential environmental risk.However,the behavior and molecular-level reaction mechanism of ROX and its substituents with iron(hydr)oxides remains unclear.Herein,the binding behavior of ROX on ferrihydrite(Fh)was investigated through batch experiments and in-situ ATR-FTIR techniques.Our results demonstrated that Fh is ...

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The role of organic and inorganic substituents of roxarsone determines its binding behavior and mechanisms onto nano-ferrihydrite colloidal particles

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