TiO2Al2O3与铁屑三维电极光电催化研究

31320126JournalofShenyangLigongUniversityVol.31No.3Jun.20122012－03－131987—1963—．1003－1251201203－0059－04TiO2/γ-Al2O3110159TiO2/TiTiO2/γ-Al2O3Na2SO420W。5g2gTiO2/γ-Al2O33mg/L6VNa2SO40.02mol/L4.5cm。3h25%。O643．32TQ032AStudyonPhotoelectrocatalyticofThree-dimensionalElectrodeUsingTiO2/γ-Al2O3andScrapIronXINLinSUHuidongDUHongleiShenyangLigongUniversityShenyang110159ChinaAbstractTitaniumoxidefilmTiO2/Tiwasformedonthetitaniumsurfacebymicro-arcoxidationMAOinNa3PO4solution．AndusingtheTiO2/Tiasanodelectrodethetitani-umascounterelectrodeinthesystemofthree-dimensionalelectrode．Coatedγ-Al2O3TiO2/γ-Al2O3thatpreparedbysol-geldipcoatingmethodandscrapironmixtureasparticlee-lectrodecombiningwiththeUVlampandregulatedpowersupplymakeupthethree-di-mensionalelectrodephotoelectrocatalytictechnologysystem．Thephotoelectrocatalyticabili-tywasevaluatedbydegradationofMethyleneblueaqueoussolution．WhentheMethyleneblueconcentrationof3mg/Lcellvoltageof6VNa2SO4aqueoussolutionconcentrationof0．02M．Comparedwithtraditionaltwo-dimensionalplateelectrodesthephotoelectrocatalyt-ictechnologyofthree-dimensionalelectrodedegradationofMethyleneblueincreases＞25%after3hoursphotoelectrocatalysis．Keywordsphotocatalysisthree-dimensionalelectrodemicro-arcoxidation、、1－2。。TiO23－6。TiO2Al2O3TiO2TiO2/γ-Al2O3。11.1SG1732SC3A721ESXL-12080～500V、0～2A、、、。、、、。1.27TiO2/Ti。γ-Al2O3TiO28。1.3150mLTiO2/Ti30mm×25mmTiO2/γ-Al2O3Na2SO420W10cm。TiO2/γ-Al2O3。664nm。η=A0-A/A0。A0A。22.1γ-Al2O3SEM1γ-Al2O3TiO2SEM1aTiO2γ-Al2O31bTiO2γ-Al2O3。TiO2γ-Al2O3TiO2TiO2γ-Al2O38。1γ-Al2O3SEM2.21.35g1g、2g、3g、4g、5gTiO2TiO2/γ-Al2O33mg/L40mL0.025mol/LNa2SO410mL5V4.5cm90min。06312。2TiO2/γ-Al2O325g2g。TiO2/γ-Al2O3。TiO2/γ-Al2O3TiO2。5g2g。2.31.32.23。330.02mol/LSO2-4SO2-4h+·OHSO-49。2.41.30.02mol/LNa2SO42.34。446V。。·OHH2O2·OH·OH。163TiO2/γ-Al2O32.5TiO2/γ-Al2O31.36V0.02mol/LNa2SO42.23h20min5。5、5TiO2/γ-Al2O360%25%40%。TiO2/γ-Al2O3。-TiO2/γ-Al2O3TiO2/γ-Al2O3TiO2。3。γ-Al2O3。5g2gTiO2/γ-Al2O33mg/L6VNa2SO40.02mol/L4.5cm。TiO2/γ-Al2O33h60%25%。1CuiHDwighiKSoledSetal．SurfaceacidityandphotocatalyticactivityofNb2/TiO2photocatalysisJ．JournalofSolidStateChemisty19951151187－191．2．TiO2J．2004258621－647．3．FentonJ．20039198－103．4．/3RJ．B2005352144－150．5Y．B．XIEX．Z．LI．PreparationandcharacterizationofTiO2/TifilmelectrodesbyanodizationatlowvoltageforphotoelectrocatalyticapplicationJ．JournalofAppliedElectrochemistry200636663－668．6．J．2000213209－212．7．J．2005234434－347．8SuHuidongDuHonglei．Studyonphotoelectrocatalyticofthree-dimensionalelectrodeusingTiO2coatingspar-ticleelectrodeJ．AdvancedMaterialsResearch2011156－157344－349．9．K-2BPNaClNa2SO4J．200664242486－2490．2631