2018-03-29B201508813xjz06L。。doi10.3969/j.issn.2095-4565.2018.04.005Fenton12114350032435003FentonH2O2、H2O2∶Fe2+、pHFentonCOD。FentonH2O2∶Fe2+=10∶1H2O26mol/L6hpH=3。COD90.62%。FentonCOD4FentonCOD99.21%。FentonX703.1A2095-4565201804-0021-04StudyonTreatmentofHighConcentrationIndustryWastewaterbyFentonOxidationBaiCuiping12HuangYugang11SchoolofEnvironmentalScienceandEngineeringHubeiPolytechnicUniversityHuangshiHubei4350032HubeiKeyLaboratoryofMineEnvironmentalPollutionControlandRemediationHubeiPolytechnicUniversityHuangshiHubei435003AbstractTheOxidativedegradationofhighconcentrationrefractoryindustrialwastewatertreatmentbyFentonreagentwasinvestigated.TheinfluencesofreactionconditionsonthedegradationefficiencywerediscussedsuchastheinfluencesofH2O2concentrationH2O2∶Fe2+molarratioinitialpHvalueandreactiontimetotheeffectofCODremovalbyusingFentonreagent.TheresultsshowedthattheoptimumconditionofFentonoxidationwereasfollowsmolarratioofH2O2andFe2+was10∶1thedosageofH2O2was6mol/LpH=3andreactiontimewas6h.UnderthisconditiontheCODremovalratewas90.62%.ThemultipleFentonreactionshadrelativelygoodeffectontheremovalofCODinhighconcentrationrefractoryindustrialwastewater.AfterfourtimesofFentonoxidationCODremovalratecanreach99.21%.KeywordsFentonoxidationhighconcentrationrefractoryindustrialwastewatermultiplereactions。、、、、。。。。34420188JOURNALOFHUBEIPOLYTECHNICUNIVERSITYVol.34No.4Aug.2018、、。、SS、。BOD5/CODAOPs。AOPs2BOD5/COD。AOPs。AOPsFenton、、1-2。1894FentonFenton。FentonH2O2Fe2+·OHH2O2+Fe2+→OH-+OH+Fe3+。1Eisenhouser3FentonFenton。Fenton-Fenton、-Fenton、。FentonFentonH2O2、H2O2Fe2+、pHFenton。11.1FeSO4·7H2OH2O230%HCl10%COD126100mg/L。1.2100mLpHFenton180r/min20℃。COD5B-3HCODCODη=COD0-COD1COD0×100%。22ηCOD%COD0CODCOD1COD。22.1H2O2Fe2+CODFentonH2O2Fe2+·OHFenton4。H2O2∶Fe2+COD100mL5pH=3H2O26mol/LFe2+H2O2∶Fe2+H2O2∶Fe2+6∶18∶110∶112∶16hCODCOD。H2O2∶Fe2+COD1。1H2O2∶Fe2+COD1H2O2Fe2+4∶110∶1COD73.61%90.62%Fe2+H2O21∶101∶12COD。Fe2+·OH。222018H2O2Fe2+Fe2+·OHFe3+·OH6。·OHCOD。Fe3+7。H2O2Fe2+10∶1。2.2H2O2CODFentonFe2+H2O2·OHH2O2·OHFenton。H2O2COD100mL4pH=3H2O2∶Fe2+=10∶1Fe2+H2O2H2O22mol/L4mol/L6mol/L8mol/L6hCODCOD。H2O2COD2。2H2O2COD2H2O2COD。H2O26mol/LCODH2O2COD。H2O2H2O2·OHCODH2O2Fe2+·OHFe3+Fe2+·OH8H2O2·OH·OOHH2O2+·OH→H2O+·OOH。3·OOH·OH9·OHCOD。H2O26mol/L。2.3pHCODpHFentonpHFenton。pHCOD100mL4pH2345H2O2∶Fe2+=10∶1H2O26mol/L6hCODCOD。pHCOD3。3pHCOD3pHCOD。pH=3COD。pHCOD。pH3H+H2O2H3O+·OHCOD。pH3FentonFe3+OH-FeOH3FetonFe3+Fe2+·OH10COD。FentonpH3。2.4CODFenton。COD100mLH2O26mol/LH2O2∶Fe2+=10∶1pH=3CODCOD。COD4。4Fenton234COD4COD。Fenton。6hCODCOD。Fenton6h。2.5FentonCODFentonCOD126100mg/L11820mg/L90.63%。COD。H2O2∶Fe2+=10∶1H2O26mol/L6hpH=3Fenton。FentonCOD5。5FentonCOD5Fenton2、3、4FentonCOD2228mg/L1415mg/L993mg/L。FentonCOD99.21%COD1000mg/L。31FentonCODH2O2∶Fe2+=10∶1H2O26mol/L6hpH=3COD90.63%。2FentonCOD。4FentonCOD99.21%。1.Fenton-J.20099647-49.2.FentonJ.2012392105-106.3EisenhauerHR.OxidationofPhenolicWastesJ.Journal19643691116-1128.4NeyensEBaeyensT.AreviewofclassicFenton'speroxidationasanadvancedoxidationtechniqueJ.JournalofHazardousMaterials200398333-50.5.FentonJ.20171142227-2232.6.Fenton———J.201029468-72.7DuYXZhouMHLeiLC.Kineticmodelof4-CPdegradationbyFenton/O2systemJ.WaterResearch20074151121-1133.8.FentonJ.201224218-22.9PandaNSahooHMohapatraS.DecolourizationofMethylOrangeusingFenton-likemesoporousFe2O3-SiO2compositeJ.JournalofHazardousMaterials20111851359-365.10LiuRChiuHMShiauCSetal.DegradationandsludgeproductionoftextilePMsbyFen-tonandphoto-FentonprocessesJ.DyesandPigments20077311-6.242018