Role of interfacial electron transfer reactions on sulfamethoxazole degradation by reduced nontronite activating H2O2

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成果类型：

期刊论文

作者：

Cui, Hao-Jie;Ning, Yaqi;Wu, Cong;Peng, Wei;Cheng, Dong;...

通讯作者：

Wenjuan Liao

作者机构：

[Cui, Hao-Jie; Wu, Cong; Yin, Lichu; Liao, Wenjuan; Peng, Wei; Zhou, Weijun; Ning, Yaqi] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Peoples R China.

[Cheng, Dong] Zhejiang Univ Technol, Coll Environm, Hangzhou 310014, Peoples R China.

通讯机构：

[Wenjuan Liao] C

College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China

语种：

英文

关键词：

Antibiotics;Chemical activation;Free radical reactions;Iron compounds;% reductions;Electron transfer;Electron-transfer reactions;Hydroxyl radicals;Interfacial electron transfer;Nontronites;Reaction sites;Reduced nontronite;Sulfamethoxazole;Sulfamethoxazole degradation;Electron transitions;antibiotics;chemical reaction;degradation;electron;hydroxyl radical;nontronite;reduction;antiinfective agent;ferrous ion;hydrogen peroxide;mineral;sulfamethoxazole;chemistry;clay;electron;oxidation reduction reaction;Anti-Bacterial Agents;Clay;Electrons;Ferrous Compounds;Hydrogen Peroxide;Minerals;Oxidation-Reduction;Sulfamethoxazole

期刊：

环境科学学报(英文版)

ISSN：

1001-0742

年：

2023

卷：

124

期：

页码：

688-698

DOI：

10.1016/j.jes.2022.02.012

基金类别：

This work was financially supported by the Natural Science Foundation of China (Nos. 41702040 , 41771272 ), Natural Science Foundation of Hunan Province (No. 2021JJ40256 ), and the Double First-Class Construction Project of Hunan Agricultural University (No. SYL2019043). The authors would like to thank Zhang San from Shiyanjia Lab ( www.shiyanjia.com ) for FT-IR, UV-vis spectra and language editing.

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本校为第一机构

院系归属：

资源环境学院

摘要：

It has been documented that organic contaminants can be degraded by hydroxyl radicals (•OH) produced by the activation of H2O2 by Fe(II)-bearing clay. However, the interfacial electron transfer reactions between structural Fe(II) and H2O2 for •OH generation and its effects on contaminant remediation are unclear. In this study, we first investigated the relation between •OH generation sites and sulfamethoxazole (SMX) degradation by activating H2O2 using nontronite with different reduction extents. SMX (5.2–16.9 µmol/L) degradation first inc...

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Role of interfacial electron transfer reactions on sulfamethoxazole degradation by reduced nontronite activating H2O2

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