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1Fig.1Flowchartofexperimentalprocess+- PPCPs。PPCPs。、。、[1-5]。。、、。[6-8]。。Benzophenone-3BP-3PPCPsBP-3。11.1Fluka、Aldrich98%AldrichMillipore。PVDF0.01937m20.08～0.10μmABSABS。1。200092。。BP-370%～100%。BP-3BP-3。HCl、NaOH。TQ028.8A1000-3770(2012)01-0126-0042011-06-242008ZX07425-0071988－E-mailbackynnej@hotmail.com38120121TECHNOLOGYOFWATERTREATMENTVol.38No.1Jan.,20121260～60.0VUW-6200HBT100-2JDKB-1615。1.2BP-3UV2550290nm。BP-30～10mg·L-1y=0.0632x-9E-05R2=0.9998。HPLC1200。DAD290nmC18250×4.6mm1.0mL·min-110μLV/V30%/70%。。PH/cond340ipH。DOM[9]。NOM。DOMDOMBP-3。4110mg·L-1BP-3BP-32DOMBP-33NaCl252μS·cm-10.1A4NaCl962μS·cm-11A。。pH=12NaOH15minpH=2HCl15min5min。1.3。1[10]J=ΔPμ(Rm+Rc+Ri+Rn)1JΔPμRmRcRiRn。1pH=12NaOH15minpH=2HCl15min5min。20min、Rm220～160minRtRm+Rc+Ri+Rn3160～180min。RiRm+Rc+Rn4180～200min。RcRiRm+Rn。4。1.4BP-3C14H12O3228.225℃210mg·L-1/logKow3.79。0.1g100mL1mg·mL-14℃。10mg·L-1。2.0g10mL2mol·L-1。2000mL。24h4℃1g·L-1。400mL10LNaOHHClpH6.5～7.5。UV2541.12cm-120℃52μS·cm-1。22.1127。1BP-3。[11-12]。PVDF[13]。BP-3/3.79。2.24BP-32。BP-3。2.2.1BP-32BP-3。BP-3BP-3BP-3。。NOMNOM0.4～3.6mg·L-150%90%～100%[14]。2.2.2。41ABP-3BP-3100%。2.343。1.341。1BP-3RnRi。。0.1A1ARm、Rn、Rc、Rt。RiNaCl。HCl、NaOH。2.3.1。[6]。2.3.2－COOH、－OH。3Fig.3Theresistanceconditiontrends03060901201501800.00.51.01.52.02.53.03.54.010 m min Rm12349.2510.309.028.810.862.941.351.260.244.064.4910.60RnRiRcRt019.2016.104.2510.3036.4030.9024.901/1011m-1Tab.1Themembraneresistancevaluesatdifferentconditions(/1011m-1)2BP-3Fig.2TheeffectofelectricfieldontheremovalefficiencyofBP-3ofmembrane0306090120150180020406080100%min 381128。[15]。。[16]。。3DOMBP-3。、、。BP-31ABP-3100%。[1],,,.[J].,2009,21(2/3):389-398.[2],,.PPCPs[J].,2005,14(6):947-952.[3],,,.[J].:,2009,49(3):369-373.[4]OAHJones,NVoulvoulis,JNLester.Aquaticenvironmentalassessmentofthetop25Englishprescriptionpharmaceuticals[J].WaterResearch,2002,36(20):5013-5022.[5]GlenRBoyd,HelgeReemtsma,DeborahAGrimm,eta1.Pharmaceuticalsandpersonalcareproducts(PPCPs)insurfaceandtreatedwatersofLouisiana,USAandOntario,Canada[J].TheScienceoftheTotalEnvironment,2003,311(1-3):135-149.[6]WengYH,LinHC,LeeHH,etal.Removalofarsenicandhumicsubstances(HSs)byelectro-ultrafiltration(EUF)[J].JournalofHazardousMaterials,2005,122(1-2):171-176.[7]WengYH,LiKC,Chaung-HsiehLH,etal.Removalofhumicsubstances(HS)fromwaterbyelectro-microfiltration(EMF)[J].WaterResearch,2006,40(9):1783-1794.[8]WeberK,StahlW.Improvementoffiltrationkineticsbypressureelectrofiltration[J].SeparationandPurificationTechnology,2002,26(1):69-80.[9]DevittEC,DucellierF,CoteP,eta1.Effectsofnaturalorganicmatterandtherawwatermatrixontherejectionofatrazinebypressure-drivenmembranes[J].WaterResearch,1998,32(9):2563-2568.[10],,.[M].:,2006:89-90.[11]YeominYoon,PaulWesterhoff,ShaneASnyder,eta1.Nanofiltra-tionandultrafiltrationofendocrinedisruptingcompounds,pharma-ceuticalsandpersonalcareproducts[J].JournalofMembraneSci-ence,2006,270(1-2):88-100.[12],,,.[J].,2005,25(1):34-37.[13].PVDF[D].:,2007.[14]KoffiMarcusAgbekodo,BernardLegube,StephaneDard.Atrazineandsimazineremovalmechanismsbynanofiltration:Influenceofnaturalorganicmatterconcentration[J].WaterResearch,1996,30(11):2535-2542.[15]YuanW,ZydneyAL.Humicacidfoulingduringmicrofiltration[J].JournalofMembraneScience,1999,157(1):1-12.[16],.[M].:,2007:206-207.STUDYONTHEINFLUENCEOFANELECTRICFIELDONTHEFOULINGANDREMOVALPERFORMANCEOFULTRAFILTRATIONMEMBRANEZhangChong,ChenXin,DengHuiping,ZhangRuijin（KeyLaboratoryofYangtzeRiverWaterEnvironment,MinistryofEducation,TongjiUniversity,Shanghai200092,China）Abstract:Theeffectofanelectricfieldonthefoulingandremovalperformanceofultrafiltrationmembranewasstudiedinthispaper.Themembranefoulingwasminimized,becausethemotionofhumicacidwasdirectedawayfrommembranesurfaceundertheconditionofelectrophoreticmigration.Atthesametime,humicacidaggregatedinanelectricfieldandformedaloosecakelayeronthemembranesurface,whichalsorelievedmembranefouling.Accordingtotheparalleltestscomparedwiththetraditionalultrafiltration,theremovalrateofBenzophenone-3(BP-3)wasraisedto70%～100%,whenfiltratingwiththeelectricfield.Itcanbeconcludedthattheadsorptionmayplayasignificantroleinlow-pressuremembraneswithlargeporesizeforremovingthesmallmolecularBP-3,andthehumicacidinsolutionshassomepromotioneffectontheremovaloftheBP-3byultrafiltration.ThemembranefoulantscanbeeffectivelyremovedbydiluteHClandNaOHsolutioncombinedwithhydraulicflushing,andthemembranefiltrationfluxwasrecoveredwell.Keywords：electricfield;ultrafiltration;membranefouling;removal129