光催化氧化法处理表面活性剂废水

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,,(,200092):,,:;;TiO2:X703.1:B:1000-4602(2004)10-0026-04PhotocatalyticOxidationProcessforSurfactantWastewaterTreatmentZHAOYang,WEIHong2bin,XUDi2min(SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China)Abstract:Expositionofthemechanismofphotocatalyticoxidationtreatmentofsurfactantwastewaterwasgiven,andasystematicconclusionofthefactorsaffectingphotocatalyticreactionwasmadeaswellastherightwaytoimprovephotocatalyticefficiency.Inaddition,theexistingproblemsandthetendencyforresearchinthisfieldwaspresented.Keywords:photocatalyticoxidation;surfactantwastewater;nanosizedTiO2:(03ZR14094),,[1]1,100400nm(300400nm),4%26%,,DBS[2][3][4],,[110-5mol/(m2s)],[210-5mo1/(m2s)],610-5mol/(m2s)2pHpHpH,pH,pHTiO2,,OHDBS,pHpH,622004Vol.20CHINAWATER&WASTEWATERNo.10©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3Langmuir-Hinshelwood,,,;,,;,0120100mg/LDBS,,C0,,DBS2h98.4%60.84%[5],,,SangeetaDubeDBS,COD,[6]4,OHOOH,,[27],DBS(BS),[8],5(20)(10)TritonX-100PeregalO30min60%,5O2H2O2S2O2-8IO-4Fe2O3O2e-h+[9],BS(0.41.0mmol/L),O2,BS(0.05mmol/L),O2H2O2O2,OH,OH,H2O2,,,[710]O3,,O3,DBS4[4]6:DBS;;pH,,e-/h+FeCl3(0.05g/L)(Fe3+)DBS50%Cu2+(pH=34)DBS,pH=6,DBS[7]Mn2+h+MnO2TiO2,Ca2+Mg2+Zn2+Na+7,,,[7],,TiO2,[11]TiO2,COD379mg/LDBS5hCOD91%,TiO2,,,,,,TiO2[12],,,73722004Vol.20No.10©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.8,:PtAgIrAuRuPdNbRh,[13]TiO2SDBS5h47.85%59.55%,5%0.1%0.5%Fe3+Mo5+Ru2+Os3+Re5+V4+Rh3+Si4+,Co2+Cr3+Al3+,Zn2+Ga3+Zr4+Nb5+Sn4+Sb5+Ta5+Fe3+,,,,TiO21.4(CdS/TiO2ZnS/TiO2NiS/TiO2Fe2O3/TiO2ZnO/TiO2WO3/TiO2SnO2/TiO2V2O3/TiO2),Y2O3/TiO2CeO2/TiO2,Y2O3TiO2,DBS1h37%88%;CeO2LAS46min29min;0.5%,OH-EDTA,,TiO2SO2-4,SO2-4/TiO2()TiO2,159,,,:;;;,;,,,,:[1]ZhangRubing,GaoLian,ZhangQinghong.PhotodegradationofsurfactantsonthenanosizedTiO2preparedbyhydrolysisofthealkoxidetitanium[J].Chemosphere,2004,54:405-411.[2],,,.[J].,2003,36(1):5-8.[3],.[J].(),2002,29(6):86-88.[4],,.[J].,2003,19(9):52-53.[5],,,.[J].,2002,22(3):263-267.[6]SangeetaDuba,NageswaraRN.Rateparameterindependenceontheorganicreactant:astudyofadsorptionandphoto2catalyticoxidationofsurfactantsusingMO3-TiO2(MMoorW)catalysts[J].JournalofPhotochemistryandPhotobiologyA:Chemistry,1996,93:71-77.[7],.[J].,1994,15(6):1-3.[8],,,.[J].,1999,19(1):9-13.[9]ZhangTianyong,ToshiyukiOyama,SatoshiHorikoshi,etal.AssessmentandinfluenceofoperationalparametersontheTiO2photocatalyticdegradationofsodiumbenzenesulfonateunderhighlyconcentratedsolarlightillumination[J].SolarEnergy,2001,71(5):305-313.[10],,,.[J].,2002,28(1):32-34.[11],,,.TiO2SDBS[J].,2002,28(3):149-151.[12]BacsaRR,KiwiJ.Effectofrutilephaseonthephotocatalyt2822004Vol.20No.10©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.icpropertiesofnanocrystallinetitaniaduringthedegradationofp2coumaricacid[J].AppliedCatalysisB:Environmental,1998,16:19-29.[13],,.[J].,2003,32(2):20-22.E-mail:tjsywhb@hotmail.com:2004-05-311,:,,,,;,,,,,,,,,,,:;,20036228d,104d,2d,2004420d,16d,8h;2:;,;;;:,,,,,,,,,,,,,,,;,,;,()922004Vol.20No.10©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.

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