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30420104IndustrialWaterTreatmentVol.30No.4Apr.,2010StudyontheremovalmechanismsandinfluencingfactorsofmicrocystinsbyultrafiltrationmembraneZhaoYong1,LiWeiying1,2,ZhangMing1,DongBingzhi1(1.StateKeyLaboratoryofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092,China;2.KeyLaboratoryofYangtzeRiverWaterEnvironment,DepartmentofEducation,TongjiUniversity,Shanghai200092,China)1,1,2,1,1(1.,200092;2.,200092)[](MC-RRMC-LR)、。:,26%(MC-RR)、42%(MC-LR)2%、10%。。[];;;[]X703.1[]A[]1005-829X(2010)04-0026-04Abstract:Theremovalefficiency,mechanismsandinfluencingfactorsofmicrocystins(MC-RRandMC-LR)fromdeionizedwaterbyultrafiltrationmembrane(UF)interminalmodearediscussed.TheresultsshowthattheremovalrateofmicrocystinsbyUFmembraneisverylow,from26%(MC-RR)and42%(MC-LR)to2%and10%,re-spectively.Thehydrogenbondingadsorptionandelectrostaticattractionmightbethedominantmechanismsofre-movingmicrocystinsfromwaterbyUFmembrane.Keywords:ultrafiltrationmembrane;microcystins;watertreatment;adsorption[](2008ZX07421-006);(07dz05804);(ZS0801),、,,(MC),,,,、,。MC-RRMC-LR。,〔1〕。《》(GB5749—2006)MC-LR1μg/L。,。,〔2〕、UV、〔3〕、〔4〕〔5〕,。(PVC)(MC-RRMC-LR)、。11.1,2,1。26——2010-04,30(4)PVC1。1.2:HPLC-2010,,(UV),BDSC18(D4.6mm×150mm,5μm);LXJ-;Zeta;SPE(SUPELCO,USA);C18(500mg,6mL);KQ-400KDV;pHS-3CpH。:MC-RRMC-LRSigma(USA);()TEDIA(USA);Mill-Q;。1.33d,5h,。(<1%),。。2,MC-RRMC-LR2。200μL。:UV238nm,V()∶V()=66∶34,pH3.00±0.01,0.8mL/min,30μL,40℃。22.1MC-RRMC-LR30.7、6.05μg/L,,3。3,PVC2,26%(MC-RR)、42%(MC-LR)360min2%10%。:;,。,,。2,。,,。MC-31PVC/u50000/mm0.85/mm1.45/m0.260/m20.133/(°)42Zeta(pH=7)/mV-12.602MC-RRMC-LR(1)(2)/u1037994(pH=7)0-1:(1)、(2)2。,:27——2010-04,30(4)RRMC-LR,,。PVC,,120L/(m2·h),4。4,min,,〔6〕,,。2,,,。,,W.J.Chul〔7〕,,,。MC-LRMC-RR〔8〕,MC-LRMC-RR。,,,42°,,,PVC。2.2,,。120、136L/(m2·h)。120、136L/(m2·h)MC-RR30.13、30.22μg/L,MC-LR6.02、6.12μg/L。5。5,,。136L/(m2·h),60min,120L/(m2·h)120min。5,,,,。Y.T.Chuyang〔9〕。3(1)(MC-RR、MC-LR),。(2),。(3)、,。[][1]PouriaS,AndradeAD,BarbosaJ,etal.Fatalmicrocystinintoxica-tioninhaemodialysisunitinCaruaru,Brazil[J].TheLancet,1998,352(9121):21-26.[2]NicholsonBC,ShawGR,MorrallJ,etal.Chlorinationforde-gradingsaxitoxins(paralyticshellfishpoisons)inwater[J].Enviro-mentalTechnology,2003,24(11):1341-1348.[3]RositanoJ,NewcombeG,NicholsonBC,etal.OzonationofNOMandalgaltoxinsinfourtreatedwaters[J].WaterResearch,2001,35(1):23-32.[4]CookD,NewcombeG.Removalofmicrocystinvariantswithpowderedactivatedcarbon[J].WaterScience&Technology:WaterSupply,5(a)120L/(m2·h)(b)136L/(m2·h)4(a)MC-RR(b)MC-LR28——StudyonthemechanismsofthetreatmentofmatureleachatebyFentonprocessLiuZhiping1,GuoJinsong1,FangFang1,JiangPeiyan2(1.KeyLaboratoryofThreeGorgesReservoirRegion’sEco-Environment,MinistryofEducation,ChongqingUniversity,Chongqing400045,China;2.InstituteofArchitectureandDesign,ChongqingUniversity,Chongqing400045,China)Fenton1,1,1,2(1.,400045;2.,400045)[]Fenton。,FentonpH=4、n(H2O2)∶n(Fe2+)=10Fe2+0.08mol/L。,,a4.6。[]Fenton;;;[]X703.1[]B[]1005-829X(2010)04-0029-04Abstract:Fentonprocesshasbeenusedfortreatinglandfillleachatewhichwaslandfilledforarelativelylongtime.Theresultsshowthatthebestconditionsfortreatingthelandfillleachateareasfollows:pH=4,n(H2O2)∶n(Fe2+)=10anddosageofFe2+is0.08mol/L.Andtherelativelyaverageratioaoftheorganismsremovedbyoxidationandcoagu-lationis4.6.Keywords:Fentonprocess;leachate;oxidation;coagulation,BOD5/COD,、,,。,。,Fenton,,Fenton〔1-3〕。YangDeng〔4〕,Fenton,[](308020)[](1983—),。:13120810713,E-mail:bookegg@163.com。:,E-mail:lwsds@163.com。[]2009-12-02()30420104IndustrialWaterTreatmentVol.30No.4Apr.,2010!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2002,2(5/6):201-207.[5]Gijbertsen-AbrahamseAJ,SchimidtW,ChorusI,etal.Removalofcyanotoxinsbyultrafiltrationandnanofiltration[J].JournalofMembraneScience,2006,276(1/2):252-259.[6]NghiemLD,SchaferAI.Adsorptionandtransportoftracecon-taminantestroneinNF/ROmembrane[J].JournalofEnvironmen-talEngineeringandScience,2002,16(9):441-451.[7]ChulWJ,HeeJS,LimSK.Effectsofmembranematerialandpre-treatmentcoagulationonthemembranefouling:foulingmechanismandNOMremoval[J].Desalination,2006,197(1/2/3):154-164.[8],,,.[J].,2008(8):19-23.[9]ChuyangYT,ShiangFuQ,CriddleCS,etal.Effectofflux(transmembranepressure)andmembranepropertiesonfoulingandrejectionofreverseosmosisandnanofiltration[J].Environ-mentalScience&Technology,2007,41(6):2008-2014.29——
本文标题:超滤膜对水中微囊藻毒素去除机理及影响因素研究赵勇
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