Removal of benzotriazole by heterogeneous photoelectro-Fenton like process using ZnFe_2O_4 nanoparticles as catalyst

查看全文 作　　者：Junfeng [1,2]Wu;Wenhong [1]Pu;Changzhu [1]Yang;Man [1]Zhang;Jingdong [3]Zhang

机构地区：[1]School of Environmental Science and Engineering,Huazhong University of Science and Technology;[2]School of Environmental and Municipal Engineering,Henan University of Urban Construction;[3]School of Chemistry and Chemical Engineering,Huazhong University of Science and Technology

出　　处：《Journal of Environmental Sciences》索引2013年第25卷第4期,共7页

基　　金：supported by the National Natural Science Foundation of China (No. 20977037);the Fundamental Research Funds for the Central Universities (No.2011TS062) 摘　　要：ZnFe2O4 nanoparticles(ZFNPs) were developed as catalyst for the degradation of benzotriazole(BTA) by heterogeneous photoelectroFenton(PE-Fenton) like process.ZFNPs were prepared by a co-precipitation process and then characterized with transmission electron microscopy(TEM),X-ray fluorescence(XRF),X-ray diffraction(XRD) and BET surface area.Using such ZFNPs as catalyst,the degradation of BTA was investigated.Due to the high catalytic activity of ZFNPs,PE-Fenton like process showed efficient degradation of BTA.The influencing factors such as pH,dosage of ZFNPs,applied potential and initial concentration of BTA were systematically investigated.Under the optimum conditions,91.2% of BTA was removed after 180 min treatment. 关键词：ZnFe2O4 nanoparticles photoelectro-Fenton like process BENZOTRIAZOLE heterogeneous catalytic degradation

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Removal of benzotriazole by heterogeneous photoelectro-Fenton like process using ZnFe_2O_4 nanoparticles as catalyst

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