电Fenton法在水处理中的研究现状及发展趋势班福忱

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-Fenton1,2,1,2,2(1.,110004;2.,110168)Studystatusanddevelopmenttrendsinthewastewatertreatmentbyelectro-FentonmethodBanFuchen1,2,LiuJiongtian1,ChengLin2,ZhangPeize2(1.SchoolofResources&CivilEngineering,NortheasternUniversity,Shenyang110004,China;2.SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,Shenyang110168,China)[]-Fenton,-Fenton、,、、。-Fenton,。[]-Fenton;;[]X703.1[]A[]1005-829X(2009)10-0001-05Abstract:Varioustypesofelectro-FentonmethodsandthepresentstatusoftheirapplicationtowatertreatmentinChinaandabroadaresummarized.Itispointedoutthatelectro-Fentonmethodissuitablefortreatinghighlycon-centratedandtoxicwastewater.Thiskindoftreatmentisrapid,economicandhighlyefficient.Itsexistingproblemsanddevelopmenttrendsareputforward,layingafoundationforitsadvancedstudy.Keywords:electro-Fenton;refractorywastewater;hydroxylfreeradicals2910200910IndustrialWaterTreatmentVol.29No.10Oct.,2009Fenton、,〔1-3〕。Fenton,H2O2,Fe2+,,,,,〔4〕。,FentonFenton,:Fenton-Fenton;Fenton-Fenton(EF)。H2O2,EF〔5-6〕。1-Fenton1.1EF-Fe3+(FeRe)EF-FeRe,H2O2Fe2+,Fe2+,。EF-FeRe,pH2.5。、。EF-FeReFentonFe2+H2O2,Fe2+,。1.2EF-H2O2-FeOxEF-H2O2-FeOx,,Fe2+,,H2O2,[](2009A600);(2005344)1——2009-10,29(10)Fe2+H2O2,Fenton。,Fe2+H2O2,,。1.3EF-H2O2-FeReEF-H2O2-FeReH2O2,Fe2+。H2O2Fe2+FentonHO·,Fe3+,Fe3+Fe2+,Fe2+H2O2Fenton,。。H2O2,,,Fe2+,。1.4UV-EFUV-EFFenton,,,CO2、H2O。,Fe2+UV,Fe3+,Fe3+pHFe(OH)2+,Fe(OH)2+UVFe2+,HO·。H2O2Fe2+H2O2。1.5Fenton(FSR)FentonFe3+。FSRFentonFe3+Fe2+。FSRFentonFe3+Fe2+,HO·。FentonFe3+H2O2H2O·,H2O2HO·。FSR,,pH≤1,。2EF2.1,EF,。〔7〕EF,,COD80%,98%;,Fe3+。〔8〕,,,COD80%。〔9〕Fenton,。:,COD80%,95%,1.17/m3,。M.Panizza〔10〕H2O2Fe2+,COD1361mg/L,Fe2+3mmol/L15hCOD87%,89%。E.Guivarch〔11〕EF-H2O2-FeRe。、1,4-、、4-、1,3,5-,EF。2.2,、、、、。Y.Hsiao〔12〕,Pt,(RVC),Fe3+O2,Fe2+H2O2,Fenton,。〔13〕EF,COD、TOC,EF。〔14〕Fe2+、H2O2。,6~9mA/cm25V,98%,COD70%。,。2.3,,2——2009-10,29(10),:-Fenton、、。、、、。B.Enric〔15〕,pH=3,Fe2+H2O2,TiO2,,-Fenton,,。ShanshanChou〔16〕Fenton,Fe2(SO4)3Fe(OH)3Fe2+,Fenton。Y.Hsiao〔12〕,Fe2+H2O2,Fenton,H2O2pH,pHH2O2。〔17〕,,,10V57A/m2Fenton,。,COD800mg/L,COD72%,82.8%。〔18〕IrO2/Ta2O5,,Fe2+,Fenton。,COD84%。,〔19〕、〔20〕、〔21-22〕Fenton,。2.4,,,-Fenton。M.A.Oturan〔23〕EF2,4-(2,4-D),,I=100mA240min,2,4-DTOC76%,,,,。B.Boye〔24〕EF4--2-,pH=3.0,。E.Brillas〔25〕EF-FeRe4-。〔26〕,,,H2O2Fe2+Fenton,FentonHO·。:pH3,60min,17.26A/m2,,90%。2.5EF。〔27〕EF,:,COD91%93%,。〔28〕,EF,,Fe2+1.0mmol/L6.6mA/cm2,60min,94%。〔29〕EF。:,1h,COD、90%95%。Fe(OH)3,。〔30〕,,V()∶V(/)=3∶2。25V,0.10m3/h,Fe2+300mg/L,90minCOD90%50%。E.Brillas〔25〕3,6--2-,60%~70%。3EF(1)EF、Fe2+。。(2)EF,,Fenton,EF,,,、,〔31〕。(3)。EFHO·H2O23——2009-10,29(10)、,HO·、H2O2,。,Fe2+,H2O2,H2O2,,EF。,H2O2。,,EFHO·、H2O2,,,。(4)Fe2+,,,,。EF,;Fe2+,,,Fe2+,,。4EFEF:(1)EF,EF,HO·、;(2)(Fe2+),,EF;(3),、,H2O2;(4)H2O2EF;(5),,Fenton,、。[][1]GallardH,deLaatJ,LegubeB.InfluencedupHsurlavitessed'oxydationdecomposesorganiquesparFe/H2O2Mecanismesreactionnelsetmodilications[J].NewJournalofChemistry,1998,22(3):263-268.[2]KangYW,HwangKY.Effectofreactionconditionsontheoxida-tionefficiencyintheFentonprocess[J].WaterRes.,2000,34(10):2786-2790.[3],,,.-Fenton[J].,2005,25(5):30-33.[4],.Fenton[J].,2001,20(12):1-3.[5]BrillasE,CalpeJC,CasadoJ.Mineralizationof2,4-Dbyad-vancedelectrochemicaloxidationprocesses[J].WaterRes.,2000,34(8):2253-2262.[6],.[J].,2004,23(6):253-256.[7],,,.[J].,2002,15(1):16-19.[8],,,.[J].,2001,20(3):275-280.[9],,,.Fenton[J].:,2005,21(2):58-61.[10]PanizzaM,CerisolaG.Removaloforganicpollutantsfromindus-trialwastewaterbyelectrogeneratedFenton’sreagent[J].WaterRes.,2001,35(16):3987-3992.[11]GuivarchE,TrevinS,LahitteC.Degradationofazodyesinwa-terbyelectron-Fentonprocess[J].Environ.Chem.Lett.,2003,25(1):38-44.[12]HsiaoY,NobeK.HydroxylationofchlorobenzeneandphenolinapackedbedflowreactorwithelectrogeneratedFenton’sreagent[J].JournalofAppliedElectrochemistry,1993,23(9):943-946.[13],,,.Electro-Fenton[J].,2005,31(5):23-27.[14],.[J].,2002,24(3):162-164.[15]EnricB,EvaM,RoserS,etal.Anilinedegradationunderelec-trochemicalandphotocatalyticconditions[J].AdvancedOxidationTechnology,1999,4(1):109-114.[16]ChouShanshan,HuangYaohui,LeeShennan,etal.Treatmentofhighstrengthhexamine-containingwastewaterbyelectro-Fentonmethod[J].WaterRes.,1999,33(3):751-759.[17],,.Fenton[J].,2004,24(4):33-35.[18],,.IrO2/Ta2O5-Fenton[J].,2005,28(3):22-25.[19]OturanMA,PeirotenJ,ChartrinP,etal.Completedestructionofp-nitrophenolinaqueousmediumbyelectro-Fentonmethod[J].EnvironmentalScienceandTechnology,2000,34(16):3474-3479.[20]OturanMA,OturanN,LahitteC,etal.ProductionofhydroxylradicalsbyelectrochemicallyassistedFenton’sreagentapplica-tiontothemineralizationofanorganicmicropollutantpen-tachlorophenol[J].JournalofElectroanalyticalChemistry,2001,507(1):96-102.[21],,,.Fenton[J].,2006,22(5):809-811.[22],,,.-Fenton[J].,2006,26(2):166-169.[23]OturanMA.Anecologicallyeffectivewatertreatmenttechniqueusingelectrochemicallygeneratedhydroxylradicalsforinsitu4———————————————————————————————————————————————Developmentoftheresearchontheapplicationofelectro-flotationtechnologytothetreatmentofoil-bearingwastewaterLiZhijian,FuZhenghui(CollegeofResourceandEnvironment,ShaanxiUn

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