高级氧化技术机理及在水处理中的应用进展

,,(,110168):,Fenton,:;;;:X703.1:A:1006-8759(2004)03-0005-04MECHANISMOFADVANCEDOXIDATIONTECHNOLOGIESANDITSAPPLICATIONSFORWASTEWATERTREATMENTZHAOSu,YANGHe,SUNXiao-wei(DepartmentofMaterialsScienceandEngineering,ShenyangArchitectureandCivilEngineeringUniversity,Shenyang110168,China)Abstract:ThispaperreviesadvancedoxidationprocessesforrefractoryorganicpollutantsinwastewatersuchasFentonoxidation,ozoneoxidation,wetairoxidation,supercriticalwateroxidation,photocatalyticoxidation,electrochemicaloxidationandsonolytichydrolysisoxidation,anddescribestheircharacteristics,principlesandresearchprogresses.Keywords:AdvancedOxidationTechnologies;degradation;organicpollutant;wastewatertreatmentEnergyEnvironmentalProtectionVol.18,No.3Jun.,200418320046,,,,,[1],,(AdvancedOxidationTechnolo2gies,AOT),(OH)OH2.8V,(F2),,CO2H2O,COD,,FentonO31FentonFenton1.1FentonFenton1894H.J.Fenton,:2003-11-25:(1965-),,,,,1990,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(Fe2+)H2O2OH,[2]:Fe2++H2O2Fe3++OH+OH-Fe3++H2O2Fe2++HO2+H+HO2+H2O2O2+H2O+OHRH+OHR+H2OR+Fe3+Fe2++R+R++O2ROO+CO2+H2O,OHRHR,RCO2H2O,COD1.2FentonFentonH2O2,,FentonFentonH2O2FentonFentonUV+H2O2Fe2++UV+H2O2O2+UV+H2O2Fe2++O2+H2O2Fe2++UV+O2+H2O21.3FentonFenton1964H.R.EisenhanerFentonOH,FentonPigllatelloJ.J.[2],Fenton2,4-D2,4,5-T,,,H2O2[3]UV/Fe3+/+H2O2,20min95%Fenton,,[4]+H2O2,Fenton,Fenton,,,,,,,22.1O3O3,,,,O31,3,,/H2O2,O3,[5]2.2O3/H2O2H2O2O3,OH,[6]:O3+OH-HO-2+O2H2O2+H2OHO-2+H3O+O3+HO-2OH+O-2+O2pHH2O2O3,OH,2.3O3/UV[7]:O3+hvO+O3O+H2OH2O2H2O22OHO3/UVO3,,2.4O3,O3,O3O3O3,,O3/H2O2O3/UVO3/UV/H2O2,,,Jun-ichiroHayashi[8],O3/UV6©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.183710O3/UVH2O2,98%,O3/UV3,,,,3.1(WetAirOxidation,WAO)(125320)(0.520Mpa),Joglekar[9],COD90%,100%,,,3.2(CatalyticWetAirOxida2tion,CWAO),CWAOFajerwery[10],90,90%[11]Cu(NO3)2(COD22928mg/L,7866mg/L),,100%,COD65%90%,,,,,4(SupercriticalWaterOxidation,SCWO),MODAR1982,[12],,,,,,,,,,,,,400600,,,CO2H2O[13]55.1,,TiO2,pH=13.2eV,400nm400nm,,,,,H2OO2,,,,,[14]:H2O+h+OH+H+h++OH-OHO2+e-O2-O2-+H+OOH2OOHH2O2+O22H2O2+O2-2OH+2OH-+O2e-h+,O2-()OOHOH5.2,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,[15][16],,100%,,6OH,OH[17],2040,,,,,,,COD96%[18]77.1-,,,,19005200K50MPa,,:H2OH+OH,[19]OH37.2,HClH2OCOCO2O3H2O2Fenton,[20],8,,,:[1],.[M].:,1999.[2]PigllatelloJJ.DarkandPhotoassistedFe2+CataalyzeddegradationofChlorophenoxyHeerbicidesbyHydrogenPeroxide[J].Environ.Sci.Technology,1992,26(12):944.[3].HV/Fe(C2O4)33-/H2O2[D].:,1999.[4],.+H2O2[J].,2003,4(4):1517.[5].[J].,2002,20(4):278280.[6]ZhongLi.Degradationoforganicpollutantsbytheadvancedoxidationprocesses[J].ChinaJournalEngneering,1999,7(2):110115.[7].TNT[J].,2001,27(10):5356.[8]Jun-ichiroHayashi.Decompositionofvolatileorganochlorinesbyozeneandultilizationefficiencyofozonewithultravioletinabubble-calumn[J].Wat.Res.,1993,27:10911097.[9]HSJoglekar,SDSamant,JBJoshi.KineticsofWetAirOxidationofPhenolandSubstitutedPhenols[J].WaterResearch,1991,25(2):135145.[10]KFajerwery.WetOxidationofPhenolbyHydrogenPeroxide:TheKeyRoleofpHontheCatalyticBehaviourofFe-2SM-5[J].Wat.Sci.Tech.,1997,35(4):103110.8(13)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3,,,,,,,,,,,,,,,,,,,,,,30,1020,30,,,,,,,,,,,,DES:[1]=60.[2],,.[J].,2004(2).[3].[J].,2002(4).[4].2020.1999.[5]WeinbergCarlJ.Keepingthelightsonsustainablescenariosforthefuture[J].CogenerationandOn-sitePowerProduction,2001,2(3).(8)[11].[J].,1988,8(1):98105.[12],.[J].,2000,28(5):2325.[13]YuJianli,SavagePE.KineticsofCatalyticSupercriticalWaterOxidationofPhenoloverTiO2[J].Environ.Sci.Technol.,2000,34(15):31913198.[14]LinsebiglerAL,LuGQ,YatesJT.PhotocatalysisonTiO2Surface:Priciples,Mechanisms,andSelectedResults[J].Chem.Rev.,1995,95:735738.[15]HidakaH,AsaiY,ZhaoJ,etal.,PhotoelectrochedecompositionofsurfactansonaTiO2/TOCparticulatefilmelectrodeassembly[J].JPhys.Chem.,1995,99(20):82448248.[16],,,,TiO2/SnO2[J].,2001,18(1):3235.[17]SteveKJ,LindaLH,FengJR,etal.ElectrochemicalIncicerationof4-ChlorophenolandtheIdentificationofProductsandIntermediatesMassSpectrometry[J].Environ.Sci.Technol,1999,(33):26382644.[18]JamesDR,NigelJB.ElectrochemicalOxidationofChlorinatedPhennols[J].Environ.Sci.Technol,1999,(33):14531457.[19].[J].,2000,20(9):5860.[20],,.[J].,2003,22(2):154157.18313©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.