胞外聚合物对膜污染的影响及对策秦亚敏

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,(,110168)(MBR),,,,[1-3];,,,,,。MBR,,,MBR。,,,MBR,。,,,30%,15%,,[4]。,,MBR,,,。1、、、,[5]。,,:①。,,,,,。②。,,,:2009-09-22;:2009-10-29:(MBR)。,(EPS)。EPS、,。:;;;:X703:A:%1009-2455(2010)01-0001-05InfluenceofEPSonmembranefoulingandcountermeasuresthereofQINYa-min,LIYa-feng(CollegeofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,Shenyang110168,China)Abstract:Membranefoulinginmembranebio-reactor(MBR)directlyaffectsthestabilityandtheeconomicefficiencyoftheprocess.Throughtheanalysisofthemembranefoulingmechanism,itwasfoundthat,extracellu-larpolymericsubstances(EPS)wasthemainfactorthatcausedthemembranefouling.Basedonthesummarizationofthecharacteristics,componentsandinfluencingfactorsofEPS,themeasuresformembranefoulingcontrolwereputforward.Keywords:membranebio-reactor;extracellularpolymericsubstances;membranefouling;influencingfactorsINDUSTRIALWATER&WASTEWATERVol.41No.1Feb.,2010!!!!!!!!!!!!!!!!!!·1·INDUSTRIALWATER&WASTEWATERVol.41No.1Feb.,2010,,。P[6],。,,,。,,(EPS)。,EPS。Nagaoka[7]EPSEPS,EPS,,。EPS,EPS,。Huang[8]EPS50mg/L,70%。EPS,EPS、。2EPS2.1EPSEPS、、、,,[9],。EPS,、、,。EPS、、。[10],EPS、、,EPS。,EPS,,。EPSEPS,Magara[11]EPS,,。,EPS,,EPS,。EPS,,。2.2EPSEPS,。、、、。EPS,:,,;。EPS,EPS,,EPS,MBR。,EPS,(TB),(LB)。[12]EPS,,LB,LB,EPS,,;TB。[13],LB,,,,;,LB,,、,,、,,。LB,LB,。,LBEPS。3EPSEPS,。,EPS,:、、。EPS,,。·2·,:3.1EPS,EPS,[14],EPS20~25d,25~40d,EPS,SS。EPS,。,EPS,。[15],EPSLB,LBTB;,TBLB。LBZeta,Zeta,,,,,。[16],EPS,TB,TB。3.2EPSMBR,,。,,,,,[17]。,EPS。[18]LB-EPS,TB-EPS。LB-EPS、LB、LB,;LB-EPSLB,。[19],,EPS,;EPS,。EPS。,EPS,;,EPS。[17],4mg/L,TB,,TB;6mg/L,EPS;2mg/L,EPSLB。Sponza[20],0.5~2.0mg/L,、,0.1mg/L,。,,EPS,。3.3EPS,EPS。,,EPS;EPS。[21]EPS,EPS,EPS,EPSEPS。[22]EPS,,EPS。Onuma[23],,EPS。Durmaz[24],540,,,,EPS,EPS。,,EPS。3.4EPSMBR,。Sponza[20]·3·INDUSTRIALWATER&WASTEWATERVol.41No.1Feb.,2010EPS,,,。,EPSDNA,。,,,EPS、LB,,,。,1.2kg[COD]/(m3·d),,LBLB,,,,[18]。44.1,EPS,,。,,,,,,。Howell[25],,32L/(m3·h)。,,。,,。,EPS,,,,。4.2MBR,[26-27]。,EPS。,,,,EPS,,,,。,MBR,,,,。4.3,。,,EPS,。,,。,,16~25℃。4.4,,,。[28]。,,EPS,。,、,,。,,,,,,,、。,,;,,,EPS,。5MBR,,EPS,。EPS,。EPS,·4·,EPS,EPS,MBR,。,EPS,EPS,MBR,,。:[1],.[J].,2006,37(2):1-6.[2],,,.MBR[J].,2007,23(4):10-11.[3],.[J].,2006,37(5):7-10.[4].[M].:,2001.18-21.[5]StephensonT,JuddS,JeffersonB.Membranebioreactorsforwa-stewatertreatment[M].London:IWAPublishing,2000.56-60.[6]P.[M].:,2003.107-115.[7]NagaokaH,YamanishiS,MiyaA.Modelingofbiofoulingextrace-llularpolymersinamembraneparationaetivatedshidgesystem[J].WaterScienceandTechnology,1998,38(4-5):497-504.[8]HuangX,LiuR,QianY.Behaviourofsolublemicrobialproductsinmembranebioreactor[J].ProcessBiochem,2001,36(5):401-406.[9]MorganJW,ForsterCF,EvisonLM.Acomparativestudyofthenatureofbiopolymersextractedfromanaerobicandactivatedsludges[J].WaterResearch,1990,24(6):743-750.[10],.[J].,2007,33(10):7-13.[11]MagaraY,NumbuS,UtosawaK.Biochemicalandphysicalpropertiesofanactivedsludgeonsettlingcharacteristics[J].WaterResearch,1986,10(1):71-77.[12],,,.-[J].,2005,25(12):1602-1607.[13],,.[J].,2003,13(9):32-35.[14],,.[J].,2008,34(5):47-50.[15],,,.[J].,2008,24(15):1-6.[16],,.EPSMBR[J].,2007,39(2):266-269.[17].[D].:,2008.[18].[D].:,2007.[19].MBR[D].:,2006.[20]SponzaDT.Extracellularpolymersubstancesandphysicochemi-calpropertiesofflocsinsteadyandunsteady-stateactivatedsludgesystems[J].ProcessBiochem,2002,37(9):983-998.[21],,,.[J].,2002,21(6):546-551.[22].[J].,2004,23(3):252-257.[23]OnumaM,OmuraJ.Diffusioncoefficientanditsdependencyonsomebiochemicalfactors[J].BiotechBioeng,1985,27(3):1533-1539.[24]DurmazB,SaninFD.Effectofcarbontonitrogenratioonthecompositionofmicrobialextracellularpolymersinactivatedsludge[J].WaterScienceandTechnology,2001,44(10):221-229.[25]HowellJA,ChuaHC.Insitumanipulationofcriticalfluxinasubmergedmembranebioreactorusingvariableaerationrates,andeffectsofmembranehistory[J].JournalofMembraneScience,2004,242(2):13-19.[26]CChiemchaisri,KYamamoto,SVigneswaran.Householdmembranebioreactorindomesticwastewatertreatment[J].WaterScienceandTechnology,1993,27(1):171-178.[27],.[J].,2003,34(3):5-8.[28],,.[J].,2008,39(1):23-26.:(1985-),,,,,()ymqin-1@163.com。,:!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!··《》《》,,,《5--2-()-1,3-()》(HJ550—2009)《()》(HJ551—2009)。2010-04-01。·5·

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