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256Vol25,No6200912ChemicalReactionEngineeringandTechnologyDec.2009:1001-7631(2009)06-0560-06:2009204226;:2009212202:(1976-),,;(1963-),,,E2mail:kelqb@xmu.edu.cn:(3502Z20071097)IrO22RuO2/Ti1,2,3,41,2,3,42,3,42,3,42,3,4(1.,361005;2.,361005;3.,361005;4.,361005):IrO22RuO2/Ti,X(XRD)(SEM)X(EDS),:IrO22RuO2/Ti,IrO2,RuO2TiO2IrO22RuO2/Ti,,0.5V,1200Hz,50%,1.0L/min,100mL/minpH1011,4.0h,IrO22RuO2/TiPbO2/Ti,,99.66%,91.63%:;;;:X703.1:A[13],[45],,2060,(DSA),,,[6],[711],,IrO22RuO2/Ti,,,11.11.1.1ª10mm100mm,(5%Na2CO35%Na3PO4)30min,,(2%NaF,18%HNO380%H2O)15min,10020%5h,5%HNO312h;3h;45015min,1.1.2,100,50020min,10010min,,,18,5001h,,,IrO22RuO2/Ti1.1.3LEO21530(SEM),20kV;X(EDS);X(XRD),CuK,40kV,40mA,10901Fig.1Set2upofpulseelectrolysisreactor12electrolysistank;22cathode;32anode;42airdistributionsandstone;52solutiondistributiontube;62aircompressor;72circulationpump;82voltagemeter;92pulseelectricalsource;102amperemeter1.21,ª130mm130mm110mm,1.5L,(ª10mm100mm)(ª110mm100mm),,50mm,(ª10mm120mm),,,,1.0L,pH1011,,100mL/min1.0L/min;,,0.5V,50%,1200Hz;,0.5h;15mg/L4.0h,,,,,,1.32(GB7486287)[12]()():=(CAg0-CAgt)/CAg0100%(1)=(CCN0-CCNt)/CCN0100%(2),CAg0CAgtt,mg/L;CCN0CCNtt,mg/L22SEMFig.2SEMimagesofoxidelayers2.1232a(1000),,,,165256.IrO22RuO2/Ti,,,2b(10000),,,,,,[13],,(3),,40.10%,24.60%,9.16%,17.61%,8.53%3Fig.3Elementsofoxidelayers4XRDFig.4XRDpatternsofoxidelayers,XRD,4,TiO2,IrO2RuO2,TiO2,RuO2IrO2RuO2IrO2TiIrO2,Ru4+IrO2,,2.2,IrO22RuO2,5,IrO22RuO2,,IrO22RuO2/Ti2h,96.17%86.13%,IrO22RuO22h,37.12%21.55%,4h45.63%31.40%,IrO22RuO2/Ti4h,99.66%91.63%IrO22RuO25IrO22RuO2Fig.5EffectsofIrO22RuO2onreclamationofsilverionanddecompositionofcyanidebypulseelectrolysis2652009122.3IrO22RuO2/TiPbO2IrO22RuO2/TiPbO2/Ti6,IrO22RuO2/Ti,0.5h38.01%35.15%,PbO2/Ti2.102.18;IrO22RuO2/Ti2h(96.17%)PbO2/Ti4h(82.16%),IrO22RuO2/TiIrO22RuO2/Ti3h,91.18%,PbO2/Ti61.15%6IrO22RuO2/TiPbO2Fig.6ComparisonoftheperformanceofIrO22RuO2/TiandPbO2/Tiforreclamationofsilverionanddecompositionofcyanidebypulseelectrolysis2.4IrO22RuO2/TiIrO22RuO2/Ti7,IrO22RuO2/Ti,,IrO22RuO2/Ti0.5h,38.01%,1.36;2h96.17%,4h;IrO22RuO2/Ti4h,92.07%,IrO22RuO2/Ti,IrO22RuO2/Ti,,1.5h,IrO22RuO2/Ti(82.71%)1.76,4h,IrO22RuO2/Ti;,,4h,83.04%,IrO22RuO2/Ti(91.63%)7IrO2Fig.7ComparisonoftheperformanceofIrO22RuO2/Tiandgraphiteforreclamationofsilverionanddecompositionofcyanidebypulseelectrolysis2.5IrO22RuO2/TiIrO22RuO2/Ti8,365256.IrO22RuO2/Ti,2h,IrO22RuO2/Ti96.17%,77.02%4h,IrO22RuO2/Ti99.66%,95.01%,,0.5h,IrO22RuO2/Ti35.11%,1.84;2h4h,IrO22RuO2/Ti1.721.43,IrO22RuO2/Ti91.63%,64.03%IrO22RuO2/Ti,8IrO2Fig.8ComparisonoftheperformanceofIrO22RuO2/Tiandstainlesssteelforreclamationofsilverionanddecompositionofcyanidebypulseelectrolysis3a)IrO22RuO2/Ti,,,,,,,40.0%,24.6%,9.16%b)IrO22RuO24h,IrO22RuO2,99.66%91.63%,IrO22RuO2,45.63%31.40%c),IrO22RuO2/TiPbO2:1HsuTH,ChiangCS.ActivatedSludgeTreatmentofDispersedDyeFactoryWastewater.JEnvironSciHealth,1997,32:192119322,,..,2008,27(2):223230LinHaibo,WuZhenyi,HuangWeimin,etal.DevelopmentandDirectionofElectrochemicalTechnologiesforIndustrialWastewaterTreatment.ChemicalIndustryandEngineeringProgress,2008,27(2):2232303WalshFC.ElectrochemicalTechnologyforEnvironmentalTreatmentandCleanEnergyConversion.PureApplChem,2001,73(12):181918374BenjaminR,PhilippeS,PatriceH,etal.ApplicationofRelaxationPeriodsduringElectrodialysisofaCaseinSolution:ImpactonAnion2ExchangeMembraneFouling.JournalofMembraneScience,2007,287(1):41505,,..,2002,3(3):5155WuYan,ZhangRuobing,XuDexuan.ResearchonWastewaterTreatmentUsingPulsedHighVoltage.TechniquesandEquipmentforEnvironmentalPollutionControl,2002,3(3):51554652009126,,..:,2005.2272327LiXiaoyan,CuiYubong,FengYujie,etal.ReactionPathwaysandMechanismsoftheElectrochemicalDegradationofPhenolonDifferentElectrodes.WaterResearch,2005,39(10):197219818AwadHS,AboGN.ElectrochemicalDegradationofAcidBlueandBasicBrownDyesonPb/PbO2ElectrodeinthePresenceofDifferentConductiveElectrolyteandEffectofVariousOperatingFactors.Chemosphere,2005,61(9):132713359LidiaS,SantosbNK,RaoNN,etal.InfluenceofAnodeMaterialonElectrochemicalOxidationfortheTreatmentofTanneryWastewater.WaterResearch,2005,39(8):1601161310BorrasC,LaredoT,MostanyJ,etal.StudyoftheOxidationofSolutionsofp2Chlorophenolandp2NitrophenolonBi2DopedPbO2ElectrodesbyUV2VisandFT2IRInSituSpectroscopy.ElectrochimicaActa,2004,49(4):64164811YangLX,AllenRG,ScottK,etal.AShadyofPtRuO2CatalystsThermallyFormedonTitaniumMeshforMethanolOxidation.ElechochimicaActa,2005,50(5):1217122312..:,1989.31131313TrasattiS.PhysicalElectrochemistryofCeramicOxides.ElectrochimActa,1991,36(2):225241ApplianceofIrO22RuO2/TiElectrodeinPulseElectrolysisofElectroplatingWastewaterContainingCyanideandSilverSuYuanbo1,2,3,4LiQingbiao1,2,3,4WangYuanpeng2,3,4WangHaitao2,3,4HongJinqing2,3,4(1.EnvironmentalScienceResearchCenter,XiamenUniversity,Xiamen361005,China;2.DepartmentofChemicalandBiochemicalEngineering,CollegeofChemistryandChemicalEngineering,XiamenUniversity,Xiamen361005,China;3.NationalEngineeringLaboratoryforGreenChemicalProductionsofAlcohols,EthersandEsters,XiamenUniversity,Xiamen361005,China;4.KeyLaboratoryf