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31420188EnvironmentalScienceandTechnologyVol．31No．4Aug．2018：2018-06-04：（2014YQ060773）.：（1993-），，，，：.KH550-TiO2，，，，（，210098）：，，KH550-TiO2，KH550-TiO2/PES。、KH550-TiO2KH550-TiO2/PES。。：KH550-TiO2/PES，，。KH550-TiO2/PESKH550-TiO2，。：KH550-TiO2；；；；:X5:A:1674-4829（2018）04-0007-06StudyonPhotacatalysisandSeparationPerformanceofKH550-TiO2ImmobilizedonPESUltrafiltrationMembraneMAOJing-tao,YANGHan-peng,GAOZhao,ZHANGRui-chen,CHAISi-qi(KeyLaboratoryofIntegratedRegulationandResourceDevelopmentonShallowLakes,MinistryofEducation,CollegeofEnvironment,HohaiUniversity,Nanjing210098,China)Abstract:ThePESultrafiltrationmembranewassynthesizedbynon-solventinducedphaseseparation.ThePAMwasusedasglueandtheKH550-TiO2nanoparticleswereimmobilizedonthePESultrafiltrationmembranebyvacuumfiltration.PhysicochemicalpropertiesofKH550-TiO2andKH550-TiO2/PESultrafiltrationmembranewerecharacterizedbyFT-IR,SEMandWCA.Antifoulingpropertieswereanalyzedbyfilteringseparationexperiment.TheresultsdisplayedthattheporesizeofKH550-TiO2/PESultrafiltrationmembranewasreducedandthismembranehadsuperiorrejectionandpermeationflux,andfurtherimprovedunderUVlight.KH550-TiO2/PESultrafiltrationshowedbetterantifoulingpropertiesduetohydrophilicityandphotodegradationofKH550-TiO2.Keywords:KH550-TiO2;Photocatalysis;Hydrophilicity;Membraneseparation;Antifouling0，[1]。，[2]，。，。[3]，[4]，。[5]，。，[4]，[6]。，。，（TiO2）、[7]。TiO2[8]，[9]，[10]，[11]。TiO2、、，，20188。（KH550）TiO2[12]，，[13]，TiO2，KH550-TiO2/PES。TiO2（FTIR）（SEM）（WCA）。。11.1（E2010）、（K30）、N，N-（DMAc）、（SDS）、、（KH550）、、、。1.2TiO2TiO2：、、17∶5∶2∶50，。180℃6h，550℃2h，TiO2。TiO2：TiO2,KH550，,80℃8h，，12h，KH550-TiO2。1.3，：、N，N-，16∶2∶1.5∶80.5，24h，，12h。，10s，80:2024h。1.4KH550-TiO20.1%12h，，200mL0.005%KH550-TiO2。KH550-TiO260℃2h，KH550-TiO2/PES。TiO2/PES。1.5（SEM）。（FTIR）。。GueroutElfordFerry，rm[14]。1.61。0.1MPa，0.001256m2。J，L/(m2·h)：J=VA×t（1）：V，L；A，m2；t，h。（J1）100min，（UV）（Jp）（R），60min。（0.1%），（J2），20min。UV-VIS432nm。R(%)=(1-CtCo）（2）：Ct；C0。1.7（FRR），FRR：FRR(%)=J2J1×100（3），（Rt）[6]，：Rt(%)=（1-JpJ2）×100（4）18314（Rr）（Rir）：Rt(%)=Rr+Rtr（5）Rr(%)=J2-JpJ1（6）Rtr(%)=J1-J2J1（7）[15]，：D(%)=(Fo-Ft)/Fo×100（8）：D，%；F010min，L/（m2·h）；Ft100min，L/（m2·h）。22.1FTIR2.1.1FTIRTiO2rFTIR2。2，TiO23400cm-11630cm-1O-HH-O-H；，1400cm-1470cm-1Ti-OTi-O-Ti，TiO2。KH550TiO2，2930cm-11040cm-1，KH550C-HSi-O，KH550TiO2。KH550N-H3400cm-11630cm-1，N-HO-H、H-O-H[11]。2，3400cm-1，N-HO-H。2.1.2TiO2TiO2KH500，。KH550TiO23。3(a)，，KH550Si-OC2H5Si-OH。3(b)，Si-OH，Si-OHTiO2，KH550TiO2[12]，TiO2，，TiO2。2.22.2.1SEMSEM4。2TiO2FTIR（a）KH550（b）TiO23TiO24SEM（a）（b）（c）（d）0．350．300．250．200．150．100．050/cm-1TiO22000100030004000KH550-TiO2Ti-O-T1Si-OTi-OH-O-HC-HO-HN2HOC2H5OC2H5OC2H5N2HSiSiOHOHOHOHOHOHOHOHHOHOHOOHTiO2SiSiOOON2HOHOHOHTiO2SiOHOHOHOHOHN2HHOHOHON2HN2HSi+KH550-TiO29201884（a），PES，；4（b)4（c），TiO2KH550-TiO2PES，10μm。,，。PES，TiO2KH550-TiO2PES，，[17]TiO2KH550-TiO2。4(d)PES，PES[18]，PES250μm。TiO2KH550-TiO2PES，--。2.2.2。，WCA，。WCA5。5，PESWCA，，TiO2PES，WCA，TiO2Ti-O，，；KH550-TiO2PES，WCA，2，KH550-TiO2，[19]。2.32.3.1、6。6，10min，TiO2KH550-TiO2，PES，TiO2KH550-TiO2，，。7。7，100min，PESTiO2/PESKH550-TiO2/PES（1），1，PES100min，，，PES，，。KH550-TiO2/PESTiO2/PES，，，，PES，。，，，[15]。（a）（b）（c）5WCA71/%PES35TiO2/PES12KH550-TiO2/PES1254.59°38.38°33.47°5505004504003500（L·m-2·h-1）t/mimPESTiO2/PESKHJ550-TiO2/PES10203040506070809010065004003002001000/（L·m-2·h-1）TiO2/PESPESKH550-TiO2/PES50403020100/nm1031410100806040200PES/%PES+UVTiO2/PESTiO2/PES+UVKH550-TiO2/PESKH550-TiO2/PES+UV43210/mg，，[21]，。8。8，，[20]。，KH550-TiO2/PESTiO2/PES60min，，PES。8，TiO2KH550-TiO2。TiO2KH550-TiO2，KH550-TiO2/PES。，，，。，PES60min，；KH550-TiO2/PESTiO2/PES，，KH550-TiO2TiO2，。9。9，，。KH550-TiO2/PESTiO2/PESKH550-TiO2TiO2。10。10，90%[22]。860min，TiO2KH550-TiO2，，，。，。2.3.2，83503002502001501000/（L·m2·h-1）t/mimPESTiO2/PESKHJ550-TiO2/PES102030405060KHJ550-TiO2/PES+UVPES+UVTiO2/PES+UV9300250200150100500PES/（L·m-2·h-1）PES+UVTiO2/PESTiO2/PES+UVKH550-TiO2/PESKH550-TiO2/PES+UVKH550-TiO21120188111009080706050403020100PES/%FRRPES+UVTiO2/PESTiO2/PES+UVKH550-TiO2/PESKH550-TiO2/PES+UVRir1009080706050403020100Rr/%FRRRt。11。，FRR，Rt。11，TiO2KH550-TiO2FRR，Rt，Rr，Rir，，TiO2KH550-TiO2。，，TiO2/PESKH550-TiO2/PES。，，，TiO2KH550-TiO2，（OH·），（O2-），、OH·O2-[23]，，；，TiO2KH550-TiO2KH550-TiO2/PESTiO2/PES[24]，，，，。3KH550-TiO2/PES，KH550-TiO2PES。，，KH550-TiO2PES。（1）FTIRKH550-TiO2，KH550TiO2；KH550-TiO2PES；WCAKH550-TiO2/PESWCA，。（2）KH550-TiO2，KH550-TiO2，。（3）KH550-TiO2PES，、、。（4）KH550-TiO2/PES，，，。（5）KH550-TiO2/PES，KH550-TiO2。[][1]SONGHong-chen,SHAOJia-hui,HEYi-liang,etal.NaturalorganicmatterremovalandfluxdeclinewithPEG-TiO2-dopedPVDFmembranesbyintegrationofultrafiltrationwithphotoca-talysis[J].Journalofmembranescience,2012,405/406:48-56.[2]，.[J].,2011,24(1):76-80.[3]，，,.[J].,2010,23(6):14-17.[4]SHIQing,SUYan-lei,ZHUShi-ping,etal.Afacilemethodforsynthesisofpegylatedpolyethersulfoneanditsapplicationinfabricationofantifoulingultrafiltrationmembrane[J].Journalofmembranescience,2007,303(1/2):204-212.[5]SUYan-lei,LIChao,ZHAOWei,etal.Modificationofpolyethe-rsulfoneultrafiltrationmembraneswithphosphorylcholinecop-olymercanremarkablyimprovetheantifoulingandpermeationproperties[J].Journalofmembranescience,2008,322(