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:2006-04-15:(20022007):(1978-),,,.:1671-2021(2006)05-0825-04MBRMLSS1,1,1,1,1,2(11,110168;21,110035):MLSSMBR,,..,pH,MLSSNH3-NTN.70d,21428g/L512g/L.MLSS31927512g/L,CODNH3-NTN87176%90182%67154%;CODNH3-NTN95185%97138%81186%.MLSS.,.MLSS45g/L,,.:;;;;:X703:A(MembraneBioreactor;MBR)[1-2].,MBR[3-4].,[5].,(mixedliquorsuspendedsolids;MLSS),[6].MLSS,,;,;(SMP).CODNH3-NTN,,.1111,1.45L;(PVDF),012m,015m,018m,1m2.,.112,,(BOD5):(N):(P)=10051,,.pH6157,,COD60500mg/L,01825mg/L,(TN)1050mg/L.200609225()JournalofShenyangJianzhuUniversity(NaturalScience)Sep.2006Vol122,No15©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(NH3-N),(COD),TN,MLSS..1MBR113,,HRT9h,012m3/h.9d,,,,,,.,.114.HRT,HRT9h,01005m3/h.,MLSS21428g/L.70d.22112,,21428g/L512g/L.,,21428g/L31607g/L.,[7-8].,50d,.,,,.,5g/L.2MLSS212MLSS(1)MLSSCOD,.,3g/L,,COD2214mg/L,63%67%,70112%70184%.MLSS31927g/L512g/L,COD80197%9715%,87176%,COD917mg/L.,COD731mg/L,92%,95185%.3,,CODCOD,COD,.3COD(2)MLSSNH3-NTNMBR012m3/h,,,..826()22©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(4).4,,;,,,-,[9-10].TN84%,59143%.,MLSS315g/L,TN,60%,.TN,,MLSS5g/L,TN,9319%.TN,,.TN74113%.MLSS31927512g/L,,TN67154%,81186%(5).213MLSS45d,6.6,,,,,,,.,,.MLSS,,,,.,MLSS,,MLSS45g/L.5TN6MLSS3(1)MLSSCODNH3-NTN,MLSS31927512g/L,CODNH3-NTN87176%90182%67154%;CODNH3-NTN95185%97138%81186%.,.(2),,.(3),,45g/L.22:MBRMLSS827©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1],,.[J].,2004,20(3):11-15.[2],,.IMBR[J].:,2003,19(1):53-58.[3],,,.[J].:,2005,21(1):47-50.[4]GanderMet.AerobicMBRsfordomesticwastewatertreatment:areviewwithcostconsiderations[J].Sep2arationandPurificationTechnology,2000,(18):119-130.[5],.[J].,2005,30(4):42-44.[6],,.[J].,2004,22(5):79-82.[7]EuanWL,HowardAC.ReducingProductionofEx2cessBiomassduringWastewaterTreatment[J].Wa2terResearch,1999,33(5):1119-1132.[8]AbbassiB,DullsteinSandRabigerN.MinimizationofExcessSludgeProductionbyIncreaseofOxygenConcentrationinActivatedSludgeFlocs:Experimen2talandTheoreticalApproach[J].WaterResearch,2000,34(1):139-146.[9]JettenSMMike,SchmididMarkus,SchmidtIngo,etal.Improvednitrogenremovalbyapplicationofnewnitrogen-cyclebacteria[J].ReviewsinEnvironmen2talScienceandBio/technology,2002(1):51-63.[10]HellingaC,SchellenA,MulderJW,etal.TheSHARONprocessaninnovativemethodfornitrogenremovalfromammonium-richwastewater[J].WatSciTech,1998,37(9):135-142.TheResearchofChangeofMLSSInfluencingHandlingEffectinMBRYOUKun1,FUJinxiang1,JURan1,ZHUZhifeng1,ZHOUWeiei1,LIXin2(1.MunicipalandEnvironmentalEngineeringCollege,ShenyangJianzhuUniversity,Shenyang,China,110168;ShenyangNorthSewageTreatmentPlant,Shenyang,China,110035)Abstract:TheexperimentinvestigatestheinfluenceofMBRbythechangeofMLSSfromhandlingeffectofCOD,NH3-N,TNandvariationsofmembranefilterableresistance.After70d,MLSSisfrom2.428g/Lto5.2g/L.WhenMLSSisbetween3.819g/Land5.2g/L,theexcisionrateofCOD,NH3-NandTNat2tain87.76%,90.82%and67.54%intheupperliquid.TheexcisionrateofCOD,NH3-NandTNofflowingwaterattain95.85%,97.38%and81.86%.Itisgoodtoremovalefficiency.Thesystemrunssta2bly.MLSSexistencescertaincorrelationwithmembranefilterableresistance.MembranefilterableresistanceincreaseswithMLSS.ThemostsuitableMLSSscopeis45g/Lforthisexperiment.KeyWords:membranebioreactor;MLSS;swage;membranefilterableresistance;biologicaldegradation828()22©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.