Vol.36 No.2 2010117 ··TiO2 1,2 3(1, 200092;2, 213164;3, 200092) 对于微污染水源水中天然有机物(NOMs)、藻毒素、农药等有毒有害物质,常规的水处理工艺不仅去除效果十分有限,而且会增加消毒副产物。膜分离技术是有效的解决方法之一,但如何制备新型膜材料、减少膜污染是实现膜分离技术在饮用水生产中应用的关键技术;TiO2催化氧化与膜处理技术联用后,可以提高膜通量,杀死细菌和有效减轻膜污染;在膜制备过程中TiO2不仅可以直接制备成膜,而且还可以杂合无机膜或有机膜制备复合膜,能够明显改善膜的亲水性,提高膜通量,在膜分离过程中同时具有催化性能。 饮用水 TiO2 催化氧化 膜 膜污染DevelopmentoftheapplicationresearchofTiO2inthemembranedrinkingwatertreatmenttechnologyWeiYong1,2,DongBingzhi3(1.CollegeofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China;2.CollegeofEnvironmentalandSafetyEngineering,JiangsuPolytechnicUniversity,Changzhou213164,China;3.KeyLaboratoryofYangtzeRiverWaterEnvironment,MinistryofEducation,TongjiUniversity,Shanghai200092,China)Abstract:Theeffectsofconventionalwaterprocessisverylimitedinthetreatmentofnaturalorganicmatters(NOMs),algatoxins,pesticidesinthemicro-pollutedrawwater,andevenproducethedisinfectionby-products.Membraneseparationtechnologyisaneffectivemethodtosolvetheproblem,buthowtopreparethenewtypemembranematerial,decreasemembranefoulingarethekeytechnologyintheapplicationofmembraneseparationindrinkingwatertreatment;thecombinationofTiO2catalystwithmembranetreatmentcanincreasethemembraneflux,terminategerm,andalleviatemembranefoulingeffectively;inthemembranepreparationprocess,TiO2cannotonlybemadeintomembranedirectlybutalsocombinedwithinorganicmembraneororganicmembranetoproducethecompositemembrane,whichcanobviouslyimprovethehydrophilicityofmembrane,increasemembraneflux,andactascatalystinthemembraneseparationprocess.Keywords:Drinkingwater;TiO2;Catalyticoxidation;Membrane;Membranefouling ,,“”(2008ZX07421-006);“”(2006BAJ08B02)。,“”(、、)。,(20%~30%),,。DOI:10.13789/j.cnki.wwe1964.2010.02.034118 Vol.36 No.2 2010,(O3)、(ClO2)、(KMnO4)、(H2O2)、。,,,,(),,(Cryptosporidium)(Giardia)、、。,、、,。,。,,。:()。、[1],。1 (、)、、。[2];,,[3]。,;,[4]。TiO2,。1.1 TiO2Choo(PMB):,[5]。HuangTiO2、(TOC)。,TiO2/UVTOC,[6]。SUVA,TiO2/UV,。,TiO2[7]。,TiO2,,,,[8~12]。、,。(TiO2),,,。[8~12],。1.2 TiO21993,Grozes,[13]。Mori,,,,[14]。,,,。Schlichter[15]。,。。HayekAl2O3,Fe3+/Al2O3,,[16]。PailllardTiO2,H2O2/O3,TOC[17]。Gracia,TiO2/Al2O3EBRO[18]。O3/TiO2(AOC),, Vol.36 No.2 2010119 ,AOC,,,[19]。BAC(DBPs),(THMs),DBPs,DBPs[20]。THMs,,,THMs30.5%。,CHClBr2CHBr3,[21]。5(HAA5FP)。[22]。,。,,。TiO2,,,,TiO2,[23]。2 ,(TiO2)。(TiO2),TiO2,(TiO2),(TiO2)[24,25]。2.1 TiO2TiO2,。,TiO2,。—[26],Wilhelm316L[27],Zhang[28],YangTiO2/Al2O3[29],。、,,[30,31]。,、、;,[32],TiO2。2.2 TiO2,,,,;,、。/、,[33~35]。LiPES/TiO2。、、、、。X、DSC,TiO2,。TiO2,,。TiO2,,TiO2。EDX,TiO2。,TiO2,PES,。4%,3711L/(m2·h),29.3%。TiO2,[36]。CaoPVDFTiO2PVDF,,TiO2PVDF。TiO2PVDF。,TiO2120 Vol.36 No.2 2010PVDF[37]。YangSol-GelPS/TiO2—,TiO2,0~9.3%TiO2,。,TiO2,[38]。TiO2,TiO2。Chin,TiO2,TiO2,:、PVDF、PVDFPAN30,;10,PAN[39]。2.3 TiO2,,(1D)TiO2,、、、[40~43]。(1D)TiO2。(2D)(3D)TiO2、、,TiO2[44]。Zhang—TiO2,TiO2,[45]。SergiuTiO2,[46]。TiO2,。3 ,,。TiO2、,TiO2,TiO2,TiO2,,。参考文献1 TarazagaCC,CampderrosME,PadillaPE.Physicalcleaningbymeansofelectricfieldintheultrafiltrationofabiologicalsolution.JournalofMembraneScience,2006,278:219~2242 ,,..,2005,25(4):530~5343 .、:[].:,20024 .:[].:,20075 ChooKH,TaoR,KimMJ.Useofaphotocatalyticmembranereactorfortheremovalofnaturalorganicmatterinwater:effectofphotoinduceddesorptionandferrihydriteadsorption.JournalofMembraneScience,2008,322(2):368~3746 HuangXH,LealM,LiQL.DegradationofnaturalorganicmatterbyTiO2photocatalyticoxidationanditseffectonfoulingoflow-pressuremembranes.WaterResearch,2008,42(4-5):1142~11507 SanlyL,MayL,RolandoF,etal.TiO2photocatalysisofnaturalorganicmatterinsurfacewater:impactontrihalomethaneandhaloaceticacidformationpotential.EnvironSciTechnol,2008,42(16):6218~62238 RahimpourA,MadaeniSS.CouplingTiO2nanoparticleswithUVirradiationformodificationofpolyethersulfoneultrafiltrationmembranes.JournalofMembraneScience,2008,313(1-2):158~1699 Le-ClechP,LeeEK.Hybridphotocatalysis/membranetreatmentforsurfacewaterscontaininglowconcentrationsofnaturalorganicmatters.WaterResearch,2006,40(2):323~33010 MolinariR,BorgeseM.Hybridprocessescouplingphotocatalysisandmembranesfordegradationoforganicpollutantsinwater.CatalysisToday,2002,75(1-4):77~8511 SyafeiAD,LinCF.RemovalofnaturalorganicmatterbyultrafiltrationwithTiO2-coatedmembraneunderUVirradiation.JournalofColloidandInterfaceScience,2008,323(1):112~11912 SunD,MengTT.Removalofnaturalorganicmatterfromwaterusinganano-structuredphotocatalystcoupledwithfiltrationmembrane.5thIWAConferenceonTrendsinSustainableProduction,France:IWAPublishing,200213 CrozesG,MalleviallebC,AnselmebJ.Effectofadsorptionoforganicmatteronfoulingofultrafiltrationmembranes.JournalofMembraneScience,1993,84(2):61~7714 MoriY,OotaT,HashinoM.Ozone-microfiltrationsystem.Desalination,1998,117(1-3):211~21815 SchlichterB,ChmielV,Mavrovb,etal.Studyofahybridprocesscombiningozonationandmicrofiltration/ultrafiltrationfor Vol.36 No.2 2010121 drinkingwaterproductionfromsurfacewater.Desalination,2004,168(4):307~31716 Al-HayekN,LegubeB,DoreM.Fe3+/Al2O3-catalysedozonationofphenolanditsozonationby-product.EnvironTechnolLetters,1989,10:415~42517 PaillardH,DoreM,BourbigotM.Prospectsconc