Ascorbic acid promoted magnetite Fenton degradation of alachlor: Mechanistic insights and kinetic modeling

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成果类型：

期刊论文

作者：

Sun, Hongwei;Xie, Guihong;He, Di*;Zhang, Lizhi*

通讯作者：

Zhang, Lizhi;He, Di

作者机构：

[Zhang, Lizhi; Sun, Hongwei; Xie, Guihong] Cent China Normal Univ, Inst Environm & Appl Chem, Key Lab Pesticide & Chem Biol, Minist Educ,Coll Chem, Wuhan 430079, Peoples R China.

[Sun, Hongwei] Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang 37673, South Korea.

[Sun, Hongwei] Pohang Univ Sci & Technol POSTECH, Div Environm Sci & Engn, Pohang 37673, South Korea.

[He, Di] Guangdong Univ Technol, Inst Environm & Ecol Engn, Guangdong Key Lab Environm Catalysis & Hlth Risk, Guangzhou 510006, Peoples R China.

通讯机构：

[Zhang, Lizhi] C

[He, Di] G

Cent China Normal Univ, Inst Environm & Appl Chem, Key Lab Pesticide & Chem Biol, Minist Educ,Coll Chem, Wuhan 430079, Peoples R China.

Guangdong Univ Technol, Inst Environm & Ecol Engn, Guangdong Key Lab Environm Catalysis & Hlth Risk, Guangzhou 510006, Peoples R China.

语种：

英文

关键词：

Ascorbic acid;Iron redox cycle;Kinetics;Magnetite;Surface Fenton

期刊：

Applied Catalysis B: Environmental

ISSN：

0926-3373

年：

2020

卷：

267

页码：

118383

DOI：

10.1016/j.apcatb.2019.118383

基金类别：

National Key Research and Development Program of China [2018YFC1800801, 2018YFC1802003]; Natural Science Funds for Distinguished Young ScholarsNational Natural Science Foundation of ChinaNational Science Fund for Distinguished Young Scholars [21425728]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41601543, 21936003, 41807349]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2017M620327, 2018T110782]; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities [CCNU17XJ005]; China Scholarship CouncilChina Scholarship Council [201706775080]; Science Funds for Outstanding Postdocs of Hubei Province, China (Z13)

机构署名：

本校为第一且通讯机构

院系归属：

化学学院

摘要：

In this study we constructed a heterogeneous Fenton system with ascorbic acid (AA), magnetite (Fe3O4) and H2O2 for the alachlor degradation, aiming to clarify the heterogeneous Fenton mechanism. The addition of AA could significantly accelerate the Fenton reaction by promoting the surface Fe(III)/Fe(II) redox cycle (iron cycle) of Fe3O4. A kinetic model was successfully developed to quantitatively describe the complicated reactions in the Fe3O4/AA/H2O2 system. We thus employed this model to identify the individual contributions of surface and h...

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Ascorbic acid promoted magnetite Fenton degradation of alachlor: Mechanistic insights and kinetic modeling

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