MBR系统运行条件对膜污染影响研究计根良

。15%。15%～20%。MBRHRTSRT。MBR。MBR。MBRMBR[1-5]。MBR。。11.16t/d。MLSS6000～8000mg/LCOD150～400mg/LNH3-N20～30mg/LTP20～30mg/LpH6～8。MBR。。1.210.8m3。MBRMBR1221.2003352.310012MBRMBR。MBR、。0.4m3/(m2·h)4:1。3MBR。MBRTQ028.8A1000-3770(2014)[e-mail]1Fig.1Schematicdiagramoftestdevice
  40620146TECHNOLOGYOFWATERTREATMENTVol.40No.6Jun.,201490DOI:10.16796/j.cnki.1000-3770.2014.06.028PLC。MW10bPVDF0.03～0.05μmΦ2.2/Φ1.9mm10m2220m2。。22.1TMP。20L/(m2·h)0.4m3/h51。TMP2。25TMP3。30.12～0.4m3/(m2·h)TMP0.4～0.68m3/(m2·h)TMP。。、EPS。。MBR0.4m3/(m2·h)TMP。2.20.4m3/h。15minMBR2dTMP。。TMP1TMP22。2TMP。1TMP5.25kPa/d。TMP。4～6TMP。44:1。2.3MBR0.4m3/(m2·h)4:1MBR31Tab.1Aerationintensityparametergrouping/(m3·m-2·h-1123450.120.260.400.540.683Fig.3Pressureriserateunderdifferentaerationintensity123450.0000.0050.0100.0150.0200.0250.030TMP
/(kPamin)/min/min123456151413121110012345TMP1/kPaTMP2/kPaTMP/(kPa·d-1192020.520.521.5223027262425255.253.52.751.751.751.52Tab.2Theeffectofdifferenton/offratiotimeontransmembranepressureriserate2TMPFig.2TMPchangingwithaerationintensity010203040506019.019.520.020.521.0TMP
kPa
minMBR914。30m3/h4TMP19kPa22kPa。MBR。3TMPTMP。0.4m3/(m2·h)。。TMP。。4:1。MBR3TMP19kPa22kPa。MBR。[1]OvenG,BandiM,HowellJA,etal.Economicassessmentofmembraneprocessesforwaterandwastewatertreatment[J].MembSci,1995,102:77-91.[2]DefranceL,JafrlnMY,GupmB,etal.Contributionofvariousconstituentsofactivatedsludgetomembranebioreactorfouling[J].Bio-resourceTechnology,2000,73:105-112.[3],.MBR[J].,2003,19(5):8-12[4]BuissonH,CoteP,PraderieM,etal.Theuseofimmersedmembraneforupgradingwastewatertreatmentplants[J].WatSciTechnol.,1998,37(9):89-95.[5]WitzigR,ManzW,RosenbergerS,eta1.Microbiologicalaspectsofabioreactorwithsubmergedmembranesforaerobictreatmentofmunicipalwastewater[J].WatRes.,2002,36:394-402.4Fig.4Systemrunningdata01020304050607080901012141618202224262830TMP
kPa
dSTUDYONTHEINFLUENCEOFMBRSYSTEMOPERATINGCONDITIONSONMEMBRANEFOULINGJiGenliang1,ZhengHonglin2,ZhouYong2（1.ShanghaiPeijieFiltrationTechnologyCo.Ltd.,Shanghai200335,China;2.HangzhouWaterTreatmentTechnologyDevelopmentCenter,Hangzhou310012,China）Abstract:MembraneBioreactor(MBR)isanewandefficientwastewatertreatmentprocess,butthefoulingrestrictsthelarge-scalepopularizationandapplicationofthetechnology.ThispaperqualitativelyanalyzetherelationshipbetweenthemembranefoulingandtheoperationconditionsofMBRsystemsuchastheaerationintensityandon/offratiothroughtheexperiments.Theexperimentsputforwardthebestaerationintensityis0.4m3/(m2·h)andthebeston/offratiois4:1.Finally,theoptimaloperatingconditionisappliedtotheengineeringpractice.Afterthreemonthsofnormaloperation,theeffectofmembranefoulingcontrollingisremarkable.Keywords：MBR;membranefouling;influencefactors;aerationintensity;on/offratio406201452426、“2014”。、、、、110。“”。、、、7、、、、。。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!92