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A/O－MBR*300072A/O－MBR、。123075%DO1．3～8．5mg/LCOD、、、92．04%、93．66%、78．04%、91．06%。、C/N。/X703AK110881002－1264201106－0040－03EfficiencyonMunicipalWastewaterTreatmentbyAnoxic/Aerobic－MembraneBioreactorinACityEconomicZoneQUANWeiZHANGLeiSchoolofEnvironmentalScienceandEngineeringTianjinUniversityTianjin300072ChinaAbstractTheA/O－MBRprocesswasusedtotreatmunicipalwastewater．Thequalityofinfluentandeffluentwasmonitoredcontinuouslyinordertoinspectthestabilityofthesystemandthetreatmentefficiencyofeffluent．TheresultsshowedthattheaverageremovalratesofCODNH3－NTNandTPreached92．04%、93．66%、78．04%、91．06%respectivelyundertheconditionsofHRT12hSRT30dsludgereturnratioof75%anddissolvedoxygenDOof1．3to8．5mg/Linaerobicarea．DenitrificationwasthecontrolstepaffectingtheoverallnitrogenremovalefficiencyandlowC/Nofinfluentwasanimportantfactoraffectingdenitrification．Thesludgeshouldberemovedregularlybecausetheparticulatephosphoruscomponentswereinahigherproportion．Thewholesystemwasstableandwouldmeettheprocessingrequirements．KeywordsA/OMBRmunicipalwastewater、1。MBRMembraneBio－Reactor90。MBR、23。4。、/A/O－MBR3t/dMBR。MBRMBR。11．111mg/LBOD541．3～273．495．8CODCr212～850421．913．1～55．526．320．8～59．736．73．6～40．911．3pH6．88～9．027．831。。04246201112URBANENVIRONMENT＆URBANECOLOGYVol．24No．6Dec．2011*2008ZX07314－0032011－03－152BOD5/TN2～4．6。1．2MBRMBR2。2MBRHRT12h10～25℃DO1．3～8．5mg/L12375%171SRT30/dDO0．5mg/LpH7～9．51．35MBR、COD、NH3－N、TN、TP。2201010—1123t/d。COD、、GB189181AGB189181B。2．1COD1COD212～850mg/LCODCOD30．5mg/L92．04%。A/O－MBRCOD。7。1COD2．22．2．12。MBRA/O。67。22．2．2320．8～59．7mg/L64%～99%78．04%。C/N2．6C/N3～58。。C。3MBRA/O－MBR14A/O－MBR。2①DO②C/N。2．341．5mg/L91．06%。1mg/LA/O－MBR89。431A/O－MBRCOD、、、92．04%、93．66%、78．04%、91．06%2、C/N341011。1．J．199919249－53．2UedaT．HataK．．DomesticWastewaterTreatmentbyASubmergedMembraneBioreactorwithGravitationalFiltrationJ．WaterResearch199933122888－2892．3DeSilvaD．G．V．UrbainV．AbeysingheD．H．etal．AdvancedAnalysisofMembrane－bioreactorPerformancewithAerobic－anoxicCyclingJ．WaterScienceandTechnology1998384505－512．4．MBRMBRJ．2008291102－105．5．4M．2002210－286．6．A2O－MBRJ．201026151－4．7．A/O－MBRJ．2009351100－103．8．4M．2006310－323．9．A/O－MBRJ．2010261354－59．1984－。39。、、。1．D．200725－26．2．Ⅰ－J．2004231110－114．3WongL．HenryJ．G．．DecontaminationBiologicalSludgeforAgricultureUseJ．WasteScienceandTechnology198417575－586．4LiuZ．．RegularitiesofContentandDistributionofZincinSoilsofChinaJ．ScientiaAgriculturaSinica199427130－37．5．A．．50C．1995．6WangJ．WangS．J．．TheRelativitybetweenElementsofHeavyMetalContaminationinSurfaceSoilofGuiyangGuizhouJ．JournalofGuizhouNormalUniversityNaturalSciences2005232113－120．1986－。242462011