胞外聚合物EPS对MBR膜污染的影响

39220072JOURNALOFHARBININSTITUTEOFTECHNOLOGYVol139No12Feb.2007EPSMBR1,2,3,3(1.,150001;2.,518055;3.,150090):EPS,,,.MBR;EPSZeta,;EPS,.:;;;:X172:A:0367-6234(2007)02-0266-04EffectofextracellularpolymericsubstancesonmembranefoulingofmembranebioreactorLIShao2feng1,2,CUIChong2wei3,HUANGJun2li3(1.ResearchstationforPostdoctoralFellows,EnvironmentalTechnologyCo.Ltd.,HarbinInstituteofTechnology,Harbin150001,China;2.DepartmentofArchitectureEngineering,ShenzhenPolytechnicInstitute,Shenzhen518055,China;3.HarbinInstituteofTechnology,SchoolofMunicipalandEnvironmentalEngineering,Harbin150090,China)Abstract:EPS,distributingwidespreadamongin-orexternalmicrobialfloctakesonimportantphysiologicalrolebecauseitisindispensableinenergyandsubstancestransferofcellinactivatedsludgesystem.Theper2meatefluxdecliningismainlyduetothecharacteristicofsludgebutnotthecolloidandsolutesofsupernatant.Thephysical,chemicalandphysiologicalpropertyofsludgeisaffectedbythecomponentsofEPS.Further2more,thelinearcorrelationsbetweentheEPScomponentsandmembranefoulingdegreeisfairlygood.There2fore,itisfeasibletochangethecomponentsandconcentrationofEPSbyadjustingtheoperationconditionthatnotonlyguaranteestheactivatedsludgesystemoperatingingearbutalsomaintenanceshighpermeateflux.Keywords:extracellularpolymericsubstances;membranebioreactor;membranefouling;sludgeproperty:2005-08-26.:(04KJD013);(03KJD036).:(1972),,,;(1938),,,.,,(EPS),,DNA,10000Dalton.2,(TB),(LB).EPS15%,EPS80%.EPS,,,,.1EPS,EPS转载[1-2].RcRt5418%,Rc/Rt99%.SRT,Rt71%,Rc/Rt77%30%.EPS,EPSRc019,EPS.N,EPS,;,SRT,,EPS.,,EPS,.MengchunGaoSMBR:,EPS.,,EPS,EPS[3].MBR,,EPS.T.Ueda,MBR[4-5].EPSDO,,,.T.S.Kim,MBRVSSEPSPAC,121196mg/g90127mg/g,[6].Jung-GooChoi,,,EPS,(Nocardia)[7].EPS,T.MukaiEPS,,[8].2EPSEPS,EPS,EPS,,.EPS,EPS.[9],EPS,EPSDNASVI,EPS;Forster[10]EPS,,,ZetaSVI,ZetaSVI.Magara[11]EPS,,.ChaoSVIZeta.EPS,[12].LBSVI,TBSVI.SVI,LBSVI,SVI.:LB,,LB,,,.LB[13].WilenLB,,Zeta,,,,LB,[14].:SRT,EPSTBLB(mTB/mLB),10m,Zeta.EPS,(LBTB),mLB/mTB,Zeta,,.,,mLB/mTBZeta,,[15].EPS,/(r=0177)EPS;EPS,(r=0181).(r=0175)EPS/(r=0180),,[1].7622,:EPSMBR中国科技论文在线[16]EPS,F/M,EPS,,F/M,EPS.,,,EPS.[17]Ns(DO)EPS,:EPS;DOEPS;EPSSVI;,EPS,SVI.,F/MEPS.EPS.,.[18].MBRSRT,,EPS,EPS.EPS,,.,,,.EPS,EPS.[2].C.H.XingSRT[19].,MLSS,[3].:SRT20d40d60d,()Rf()37%,28%29%,SS63%72%71%;SRT,,,.,EPS(r=0174)/(r=0185)(r=0186)(r=0187)[1].SRT,,,,.HidekeHarada,,[20].HRTSRT,,.41)MBR,EPS,,.2)EPSSBR,MBR,EPS;EPS,.3)EPSSRTF/MEPS,.:[1]LEEW,LANGS,SHINH.Sludgecharacteristicsandtheircontributiontomicrofiltrationinsubmergedmem2branebioreacters[J].JournalofMembraneScience,2003,216:217-227.[2]CHANGInS,LEECH.Membranefiltrationcharacter2isticsinmembrane-coupledactivatedsludgesystem-theeffectofphysiologicalstatesofactivatedsludgeonmembranefouling[J].Desalination,1998(120):221-233.[3]GAOMengchun,YANGMin,LIHongyan,etal.Nitri2ficationandsludgecharacteristicsinasubmergedmem2branebioreactoronsyntheticinorganicwastewater[J].Desalination,2004(170):177-185.[4]UEDAT,HATAK,KIKUOKAY.Treatmentofdomesticsewagefromruralsettlementsbyamembranebioreactor[J].WatSciTech,1996,34(9):189-196.[5],,[J].,2004,30(2):19-20,29.[6]KIMJS,LEECH,CHUNHD.Comparisonofultra-filtrationcharacteristicsbetweenactivatedsludgeandBACsludge[J].WatRes,1998,32(11):3443-3451.[7]CHIOJG.Thebehaviorofmemebranefoulinginitiationonthecrossflowmembranebiocreactorsystem[J].JMemberSci,2002,203(12):103-113.8623944(The4thInternationalWorkshoponEnergyandEnvi2ronmentofResidentialBuildings,IWEERB2007)200711516.10120,35,.HiroshiYoshi2no,..HiroshiYo2shino.132.,..,.,.9622,:EPSMBR中国科技论文在线[8]HUKAIT.UltrafiltrationbehaviorofextracellulaandmetabolicproductsinactivatedsludgesystemwithUFseparationprocess[J].WatRes,2000,34(3):902-908.[9]FORSTORCF,DALLASNJ.Activatedsludgeonset2tlementsomesuppositionsandsuggestion[J].WatPollutControl,1980,79(3):338-351.[10]FORSTORCF.Factorsinvolvedinthesettlementofactivatedsludge-Inutrientsandsurfacepolymers[J].WaterRes,1985,19(10):1259-1264.[11]MAGARAY,NUMBUS,UTOSAWAK.Biochemicalandphysicalpropertiesofanactivatedsludgeonset2tlingcharacteristics[J].WatRes,1986,10(1):71-77.[12],,.[J].,2004,24(5):623-626.[13],,.[J].,2003,13(9):31-34.[14]BOJin,WILENBM,PAULL.Acomprehensivein2sightintofloccharacteristicsandtheirimpactoncom2pressibilityandsettleabilityofactivatedsludge[J].JChemEng,2003,95:221-234.[15],,.[J].(),2004,44(67):766-769.[16],,,.[J].,2002,6(11):546-551.[17],,.EPS[J].,2004,24(4):613-618.[18],,,.[J].,2004,25(6):89-91.[19]XINGCH,TARDIEUE,QIANY,etal.Ultrafiltra2tionmembranebioreactorforurbanwastewaterreclama2tion[J].JMembrSciTech,2000,177(12):73-82.[20]HARADAH.Applicationofanaerobic-UFmembranereactorfortreatmentofawastewatercontaininghighstrengthparticulateorganics[J].WatSciTech,1996,30(12):307-319.()