Recent advances and trends of heterogeneous electro-Fenton process for wastewater treatment-review

查看全文 作　　者：Zining [1]Wang;Mingyue [1]Liu;Fan [1]Xiao;Georgeta [2]Postole;Hongying [1]Zhao;Guohua [1]Zhao

机构地区：[1]School of Chemical Science and Engineering,and Shanghai Key lab of Chemical Assessment and Sustainability,Tongji University,Shanghai 200092,China;[2]Univ Lyon,UniversitéClaude Bernard Lyon 1,CNRS,IRCELYON,F-69626 Villeurbanne,France

出　　处：《Chinese Chemical Letters》索引2022年第33卷第2期,共10页

基　　金：funding from the National Natural Science Foundation of China (Nos.22076142,21677106,22076140);National Key Basic Research Program of China (No.2017YFA0403402);National Natural Science Foundation of China (No.U1932119);the Science & Technology Commission of Shanghai Municipality (No.14DZ2261100);the Fundamental Research Funds for the Central Universities。 摘　　要：Electrochemical advanced oxidation processes (EAOPs) are effective and environmentally friendly for the treatment of refractory organic pollutants.Among EAOPs,heterogeneous electro-Fenton (EF) process with in-situ formation of hydrogen peroxide (H_(2)O_(2)) is an eco-friendly,cost-effective and easy-operable technology to generate hydroxyl radicals (;OH) with high redox potential.The generation of;OH is determined by the synergistic H_(2)O_(2)formation and activation.The surface catalytic mechanisms for H_(2)O_(2)activation in the heterogeneous EF process were discussed.Some required features such as heteroatom doping and oxygen groups for H_(2)O_(2)formation via selective two-electron oxygen reduction reaction (ORR) with carbonaceous electrode are summarized.The solid Fenton catalysts and integrated functional cathodes that widely used in heterogeneous EF for wastewater treatment are grouped into few classes.And the brief discussion on catalytic activity and stability of materials over different experimental conditions are given.In addition,the application of heterogeneous EF process on the remediation of emerging contaminants is provided.The challenges and future prospects of the heterogeneous EF processes about catalytic fall-off and multi-step/complex techniques for water purification are emphasized. 关键词：Heterogeneous electro-Fenton Oxygen reduction reaction Hydrogen peroxide Cathodic materials Refractory organic pollutants

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Recent advances and trends of heterogeneous electro-Fenton process for wastewater treatment-review

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