Multi-phase CdS loaded on biochar for photocatalytic activation of peroxymonosulfate for thiamethoxam degradation: π-conjugation improves PMS adsorption

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成果类型：

期刊论文

作者：

Jiang, Honghui;Hu, Zhenxin;Ouyang, Yuanhao;Ji, Xiaodong;Hu, Xi;...

通讯作者：

Wang, Hui;Hu, XJ

作者机构：

[Hu, Xi; Jiang, Honghui; Hu, Zhenxin; Ouyang, Yuanhao; Hu, Xinjiang; Ouyang, Ke; Wang, Hui; Ji, Xiaodong; Wang, Ping] Cent South Univ Forestry & Technol, Coll Environm Sci & Engn, Changsha 410004, Peoples R China.

[Li, Tingting] Liaocheng Univ, Coll Environm & Planning, Liaocheng 252059, Peoples R China.

[Wang, Hui; Hu, Xinjiang] Cent South Univ Forestry & Technol, Changsha, Peoples R China.

通讯机构：

[Wang, H; Hu, XJ ] C

Cent South Univ Forestry & Technol, Changsha, Peoples R China.

语种：

英文

关键词：

Biochar;Peroxymonosulfate;Thiamethoxam;Cadmium sulfide;Density functional theory calculation

期刊：

Separation and Purification Technology

ISSN：

1383-5866

年：

2023

卷：

326

页码：

124842

DOI：

10.1016/j.seppur.2023.124842

基金类别：

CRediT authorship contribution statement Honghui Jiang: Formal analysis, Data curation, Methodology, Writing – original draft. Zhenxin Hu: Conceptualization, Formal analysis, Data curation, Methodology, Writing – original draft. Yuanhao Ouyang: Methodology, Software, Validation. Xiaodong Ji: Validation, Visualization. Xi Hu: Writing – review & editing. Tingting Li: Writing – review & editing. Ke Ouyang: Visualization. Ping Wang: Resources. Hui Wang: Conceptualization, Methodology, acquisition, Writing – review & editing.

机构署名：

本校为第一且通讯机构

院系归属：

环境科学与工程学院

摘要：

Mounting evidence highlights the negative impacts of thiamethoxam (THM) on non-target organisms and ecosystem. Herein, multi-phase cadmium sulfide loaded on biochar (CdS@BC) was used to photocatalytic activate peroxymonosulfate (PMS) to remove THM. The obtained CdS@BC significantly improved the photocatalytic performance of PMS on THM degradation with a superior rate constant of 0.165 min-1, 60 times more than that of BC. In addition, the catalyst displayed excellent stability and reusability. The mechanism of free radical formation by adsorption activation of PMS adsorbed on CdS@BC was charac...

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Multi-phase CdS loaded on biochar for photocatalytic activation of peroxymonosulfate for thiamethoxam degradation: π-conjugation improves PMS adsorption

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