11三维电极对水中染料降解脱色处理

2005,14(3):[e-mail]2002C316226200021964E-mail:[e-mail]2004-11-031.5106302.5106303.4530033R3R30%50%-,3R3RX791A1672-2175200503-0305-04[1~4][5~7][89][10~13](particleelectrode)(bedelectrode)[11,14][15~17]3R30.0mg⋅L-13RH1100mL2.0g⋅L-1Na2SO40.1mm10cm21cm10cm2SS1714()ACO-009DBCH1.0m3⋅h-1D721()3R1LengguangSpectrumlab54()200800nm3RE1%10000×−=AAAEtt1EttA0Att,3R10min2210min1.010.0V3061432005510V90%2B1.02.5V2.5~24.0V2C2BC3R10V90%50%3R33A3R7min80%15min90%20min20min60%3R10min3R40.212.0g⋅L-1B.C.t=15min2Fig.2DecolorizationefficienciesatvariousvoltagesA.B.C.D.E.F.G.H.DC.V.1Fig.1Schematicdiagramofthree-dimensionalelectrodereactorA.B.U=6.0V3Fig.3DecolorizationefficienciesatvarioustimeA.B.t=10minU=4V4Fig.3Decolorizationefficienciesatvariousconcentrationofinertelectrolyteoooooo＋·DCBCDEFGH0510152025020406080100BCEt/%v/V05101520020406080100ABEt/%t/min02468101220406080100ABEt/%c/g.L-13070.23.0g⋅L-13.0g⋅L-13R53R663R400600nm,N=N[12]200350nm[18]3R200250nm40min3R24mmO2H2O2[19]Fe2e=Fe2+2O2+2H++2e→H2O23FentonFenton[5]Fe2++H2O2+H+→Fe3++⋅OH+H2O4Fe3++H2O2→Fe2++H++⋅HO25Fe3++⋅HO2→Fe2++H++O26Fe2+FentonFe3+3R13R2-3RNNOHSOOONaSOOONaSOOONa53RFig.5Chemicalstructureofacidscarlet3R63R-Fig.6ChangeofUV-visspectraofacidscarlet3R2003004005006007008000.00.20.40.60.843211:0min2:10min3:20min4:40minλ/nm308143200553Fenton[1].[M].:,1997:6.LIJZ.TreatmentofDyesandColorationIndustrialWastewater[M].Beijing:ChemicalIndustryPress,1997:6.[2],,,.[J].,1994,14(4):200204.ANHR,QIANY,GUXS,etal.StudyonBiodegradabilitiesofDyesforTreatingDyeWastewaterunderAnaerobicConditions[J].EnvironmentalProtectionofChemicalIndustry,1994,14(4):200204.[3],,,.[J].,1996,4(6):19.DAISG,SONGWH,LIT,etal.StudyonAzoDyesStructure-BiodegradabilityRelationships[J].AdvancesinEnvironmentalScience,1996,4(6):19.[4]ELIASR,MAURICEL,BRIAND,etal.Biodegradationofselectedazodyesundermethanogenicconditions[J].WaterScienceandTechnology,1997,36(67):6572.[5]KUSVURANE,ERBATURO.Degradationofaldrininadsorbedsystemusingadvancedoxidationprocesses:comparisonofthetreatmentmethods[J].JournalofHazardousMaterials,2004,106(23):115125.[6]KIWIJ,PULGRINC,PERINGERP.EffectofFentonandphoto-Fentonreactionsonthedegradationbiodegradabilityof2-and4-nitrophenolsinwatertreatment[J].JournalofApplicationcatalysisB:Environment,1994,8:335350.[7]TANGWZ,HUANGCP.2,4-DichlorophenoloxidationkineticsbyFenton’sreagent[J].EnvironmentalTechnology,1996,17(12):13711378.[8]BRILLASE,CALPELJC,CASADOJ.mineralizationof2,4-dbyadvancedelectrochemicaloxidationprocesses[J].WaterReseach,2000,34(8):22532262.[9]VENTURAA,JACQUETG,BERMONDA,etal.ElectrochemicalgenerationoftheFenton’sreagent:applicationtoatrazinedegradation[J].WaterReseach,2002,36:35173522.[10]BISANGJM.Electrochemicaltreatmentofwastesolutioncontainingferroussulfatebyanddicoxidationusinganundividedreactor[J].JournalofApplicationElectrochemistry,2000,30:399410.[11],,,.[M].:2002,5:112113.FENGYJLIXYYOUHetal.ApplicationofElectrochemicalTechnologyinEnvironmentalEngineering[M].Beijing:ChemicalIndustryPress2002,5:112113.[12],.[J].,1995,14(10):2527.ZHANGZE,XUCN.StudyonMechanismofPurifyingWastewaterContainingAzodyesbyIronScrapFillings[J].ShanghaiEnvironmentalScience,1995,14(10):2527.[13],,,.[J].,2003,35(1):5255.LIANGH,ZENGKM,YANGJC,etal.StudyonTreatmentofHigh-colorityReactiveDyesWastewaterbyMulti-electrodes[J].JournalofSichuanUniversity(EngineeringScienceEdition),2003,35(1):5255.[14],.[J].,1994,14(2):2325.QINQX,YUDL.ApplicationofThree-DimentionalElectrodesinPlatingEffluentTreatment[J].Electroplating&PollutionControl.1994,14(2):2325.[15]POLCAROAM,PALMASS,RENOLDIF,etal.Three-dimensionalElectrodesfortheElectrochemicalCombustionofOrganicPollutants[J].ElectrochimicaActa,2000,46(23):389394.[16]FOCHEDEYE,LIERDEAV.CouplingofAnodicandCathodicReactionsforPhenolElectro-oxidationusingThree-dimensionalElectrodes[J].WaterResearch,2002,36(16):41694175.[17],,,.[J].,2002,8(3):327332.HECANTC,XIONGY,etal.ElectrochemicalDegradationofOrganicWastewaterbyThree-DimensionalElectrodeReactor[J].Electrochemistry,2002,8(3):327332.[18],,.[J].,2003,24(2):108111.WANGAM,QUJH,JIANGGL.StudyonElectrochemicalDegradationofAcidRedB(ARB)[J].Environmentalscience,2003,24(2):108111.[19]BRILLASE,CASADOJ.AnilineDegradationbyElectro-FentonandPeroxi-coagulationProcessesusingaFlowReactorforWastewaterTreatment[J].Chemosphere,2002,47:241248.Decolorizationofdyewastewaterwiththree-dimensionalelectrodereactorLIMing-yu1,XIONGLin1,ZHANGNa1,WANGJian-xin3,1,FANGJian-zhang2,11.DepartmentofEnvironmentalEngineering,JinanUniversity,Guangzhou510632;2.DepartmentofChemistry,HuananNormalUniversity,Guangzhou510632China;3.DepartmentofChemistry,HenanNormalCollageofOccupationalTechnology,Xinxiang453003,ChinaAbstract:TheremovalofcolorfromsimulatingdyewastewatercontainingAcidScarlet3Rwasinvestigatedusingthree-phasethree-dimensionalelectrodefluidizedbedreactorandtraditionaltwo-dimensionalelectrodereactor.Theformerismadeupoftraditionalelectro-cellandmanganeseparticlefillingbetweentwoelectrodesofiron.Particu