电化学高级氧化技术处理难降解有机废水研究进展

:20050306.:(1957),,,,,.:1672691X(2005)02004906电化学高级氧化技术处理难降解有机废水研究进展王建中,王辉,张萍(,730070):,,,.:;;;:X703:A,.,2001200.7,20003.0%[1]..,,,,,.,.,,.,[2,3],.,,,..1,,.,.,,;Feton.1[4].Fig.1Directandindirectanodicoxidation1.1,,,,[5].Flesarz,(MOX[]),[6]:MOX[]+H2OMOX[OH]+H++e-,[7]:第19卷第2期甘肃联合大学学报(自然科学版)Vol.19No.22005年4月JournalofGansuLianheUniversity(NaturalSciences)Apr.2005,,,.Comninells,,2[8]:Fig.2Pathwayofelectrochemicalconversion/combustion,MOx+1,,,(),,,2126;,,,15.,,12415.,,..,.PtPbO2,.,,Ta/PbO2[9]PbO2/Polyrrole[10],;WuPbO2,,[11].TaharBi2O5PbO2,[12].FengFePbO2,,,[13].,SnO2,,[14].TOC,Pt5[15].,.[16]:(1);(2);(3);(4);(5),.,,.1.2,,,.,,Cl-,,[17]:2Cl-Cl2+2e-Cl2+H2OHOCl+Cl-HOClH++OCl-ChiangSnPdRuTi,15A/cm2Cl-7500mg/L,240min,92%COD,/,[18].DoSnO2PdORuO2TiO2,NaCl,,100,99.3%[19].ComninellisTi/IrO2,NaCl.Ti/SnO2[20]..Co3+/Co2+,Fe3+/Fe2+,Ag2+/Ag+.3Fig.3PrincipleoftheMEO50甘肃联合大学学报(自然科学版)第19卷[21].LeffrangCo3+/Co2+,24,CO2CO,98%,75%[22].2,,O2H2O2,,::O2+2H++2e-H2O2:O2+H2O+2e-HO-2+OH-HO-2+H2OH2O2+OH-H2O21[3].Table1Thecathodematerialsforcathodicreductionprocess,,,,,,,,H2O2,,Fe2+,H2O2OH,,[23].,.4[24].Fig.4DegradationmechanismbyElectroFenton,H2O2Fe2+,Fenton,OH,Fe2++H2O2+H+Fe3++OH+H2OFe3+,Fe2+,.OH.Fenton,H2O2,H2O2.H2O2,(Fenton)[25].Fe3+Fe2+H2O2Fenton,,Fe3+Fe2+,,Fe2+,Fenton,Fe2+,.pH(1)Fe3+,,Fe2+,[26].H2O2,[27].3,,,.BrillasFeFe2+,H2O2,,Fenton,,129mg/L60min,95%[28].Fe,,Fenton,,100%,CODCr80%[29].,,10~13%,Fe2+,12~15%,,[30].4,(),.,.,,Feton.BrillasPt,,Fe2+H2O2Fenton.,[31].:Fe(OH)2++hFe2++OH,Fe2+,,Fenton51第2期王建中等:电化学高级氧化技术处理难降解有机废水研究进展Fe2+,.4[32]2,4D[31][23],Fenton,.230ppm2,4D,0.1A,Fenton4h2,4D97%,,Fenton67%TOC,.6h,Fenton2,4D[31].,,,,,.TiO2,Vinodgopal4[33],[34][35][36],.PelegriniTi/Ru0.3Ti0.7O219,60min,95%,34%15%[37].RuO2/TiO2/Ti,,,,,[38].,UV/H2O2UV/Fe3+UV/Fe3+/H2O2,.UV/H2O2-,Fe3+[39].5,.Marhuchi1934[40],,.,,,,[41].[40,42],[43,44],[44,45],[45].,,H2O2OH,[46].,,,.TrabelsiF.,,,3h5%,,20min95%,[47].,,,10min,10~20%[48].6,,OH,OH,,.,,;,,.,,.,.OH.,,.OH,,.,,.:[1].2001[J].52甘肃联合大学学报(自然科学版)第19卷,2002(6):315.[2],.[J].,2002(12):568571.[3],,翚.电化学氧化工艺降解有毒难[J].,2001,17(3):263271.[4]ChiangLC,ChangJE,WenT.C.Indirectoxidationeffectinelectrochemicaloxidationtreatmentoflandfillleachate[J].WatRes,1995,29(2):671678.[5]TrasattiS.Electrochemistryandenvironment:theroleofelectrocatalysis[J].JHydrogenEnergy,1995(20):835844.[6]FleszarB,PlosznskaJ.Anattempttodefinebenzenenandphenolelectrochemicaloxidationmechanism[J].ElectrochimicaActa,1985,30:3142.[7]LetriniO,OlibverosE,BraunAM.Photochemicalprocessforwatertreatment[J].Chem.Rev.,1993(2):671698.[8]ComninellisC.Electrocatalysisintheelectrochemicalconversion/combustionoforganicpollutantsforwastewatertreatment[J].ElectrochimicaActa,1994,39(11/12):18571862.[9]TaharNB,SavallA.MechanisticaspectsofphenolelectrochemicaldegradationbyoxidationonTa/PbO2anode[J].JElectrochemSoc,1998,145:34273434.[10]HwangBJ,LeeKL.Electrocatalyticoxidationof2chlorophenolonacompositePbO2/Polyrroleelectrodeinaqueoussolution[J].JApplElectrochem,1996,26:153161.[11]WuZC,ZhouMH,WangDH.Partialdegradationofphenolbyadvancedelectrochemicaloxidationprocess[J].EnvironSciTechnol,2001,35:26982703.[12]TaharNB,SavallA.Electrochemicaldegradationofphenolinaqueousonbismuthdopedleaddioxide:acomparisonoftheactivitiesofvariouselectrodeformulation[J].JApplElectrochem,1996,29:277283.[13]FengJ,HoukLL,JohnsonDC.ElectrocatalysisofanodicoxygenTransferreaction:theincinerationofbenzoquinone[J].JElectrochemSoc,1995,142:362673631.[14]StuckiS,KotzR,CaarcerB,etal.ElectrochemicalwastewatertreatmentusinghighovervoltageanodesPart:anodeperformanceandapplications[J].JApplElectrochem,1991,21:99104.[15]ComninellisC,PulgarinC.ElectrochemicaloxidationofphenolforwastewatertreatmentusingSnO2anodes[J].JAppleElectrochem,1993,23:108112.[16]TerashimaC,RaoRN,SradaBV,etal.Electrochemicaloxidationofchlorophenolsataborondopeddiamondelectrodeandtheirdeterminationbyhighperformanceliquidchromatographywithampermetricdetection[J].AnalChem,2002,74(4):895902.[17]PanizzaM.Electrochemicaltreatmentofwastewatercontainingpolyaroamticorganicpollutants[J].Wat.Res,2000,34(9):26012605.[18]ChiangLC,ChangJE,WenTC.Indirectoxidationeffectinelectrochemicaloxidationtreatmentoflandfillleachate.WatRes,1995,29:671678.[19]DoJS,YehWC.Pairedelectrooxidativedegradationofphenolwithinsituelectrogenerationhydrogenperoxideandhypochlorite[J].JApplElectrochem,1996,26:673678.[20]ComninellisC,NeriniA.AnodicoxidationofphenolinthepresenceofNaClforwastewatertreatment[J].JApplElectrochem,1995,25:2328.[21]GallaU,KritzerP,BringmannJ.Processfortotaldegradationoforganicwastesbymediatedelectrooxidation[J].ChemEngTechnol,2000,23(3):230233.[22]LeffrangU,EbertK,FloryK,etal.Organicwastedestructionbyindirectelectrooxidation[J].SeparationScienceandTechnology,1995,30(7~9):18831889.[23]BrillasE,MurE,SauledaR,etal.AnilinemineralizationbyAOPs:anodicoxidationphotocatalysis,electroFentonprocess[J].ApplCatal.B:Environ,1998,16:3142.[24]OturanMA,OturanN,LahitteC,etal.ProductionofhydroxylradicalsbyelectrochemicallyassistedFentonsagent:Applicationtothemineralizationofanorgani