MBR脱氮工艺的研究进展林丰

MBR　,(东南大学环境工程系,江苏南京　210096)　:MBR:AOMBRAOMBR,MBR,。:;;;:X703.1　　　:A　　　:1004-695X(2003)04-0042-03AdvancesofMembraneBioreactorTechnologyforNutrientRemovalLINFeng,ZHANGLin-sheng(TheDepartmentofEnvironmentEngineering,SoutheastUniversity,Nanjing,Jiangsu210096,China)Abstract:Inthisarticle,twomaintypesofMBRfornutrientremoval,involvingyarepresented:incharactiristicandeffectofnutrientremoval.AO-phaseprocessandsingle-stageAOsequenceprocess.Thisarticleintroducesthephenomenonofsimultaneousnitrificationanddenitrificationandthephenomenonofshort-cutnitrificationanddenitrification.Theresearchandapplicationprospectsareproposed.Keywords:MBR;Biologicalnitrogenremoval;Nitrificationanddenitrification;Short-cutnitrificationanddenitrification　　-,、。,,,,,,。,MBR。MBR,,,,。,MBR,。1　MBR,MBR:AOMBRAOMBR。1。1.1　AO阶段MBR脱氮工艺AOMBRAO,,1　MBR,,,,。,,。:,[1],,,,。:2003-05-15;:2003-05-26:　(1978—),,,,。Anjou[2],AOMBR,MLSS15gL,TN75%,TKN95%,1mgL。1.2　单级AO程序MBR脱氮工艺AOMBR4216　4200312:(SMSBR)MBR。SMSBR(SBR),,。MBR,,,,AOMBR,SMSBR,。Ng.W.J[3]SMSBR,MLSS5gL10gL,COD,DO,,。,SMSBR,DO,,。Chiemchaisri.C[4],TN。MBRSMSBR,,。YeomIck-Tac[5]MBR,,MLSS,,,,,n(BOD5TN)。Ueda.T[6]MBR,,、MLSS、,。MLSS12gL,,,94.9%、91%。,MBR,MLSSDO。MLSS,,,MLSS,。MLSS,,DO,,,,。DO,,DO0.5mgL[7],,。1.3　MBR脱氮参数及处理效果1。1　MBRt(HRT)/hρ(MLSS)/(g·L-1)BOD5/[kg(m3·d)-1]/%AO16.810～15-BOD:99TN:83[1]AO13.4110.245BOD:99TN:79[8]AO55.8-COD:95NH3-N:93[9]16～192.7～3.40.06～0.07BOD:98TN:91.6[10]76～7-COD:92TN:90[11]13120.192COD:93TN:83[6]2　MBRMBR,,,。2.1　短程硝化反硝化NO2--N,,n[NO2--N/(NO2--N+NO3--N)]50%,,,。Wouter.Ghyoot[12]MBR,,,,。[13]SMSBR,,,,,NO3--N,NO2--N,。,4316　4　.MBR200312,。,,。2.2　同步硝化反硝化,,。SMSBR,。MBR,MLSS,,,。BertholdGunder[14]MBR,,MLSS,,MLSS8gL25gL,0.50.15。MBR,DO,,,DO,,,。DO,。[15]MBR,DO1mgL,,95%,92%。3　　MBR,,,,,,,,,。,MBR,,、,。[][1]　YOONS-H,KIMHS,ParkJK,etal.InfluenceofImportantOp-erationalParametersonPerformanceofaMembraneBiologicalReac-tor[J].WatSciTechnol,2000,41(10-11):235-242.[2]　,.———[M].:,2002.78-80.[3]　NGWJ.StudyonSequencingBatchMembraneBioreactorforWastewaterTreatment[J].WatSciTech,2000,41(10-11):227-234.[4]　CHIEMCHAISRIC.BiologicalNitrogenRemovalUnderLowTem-peratureinaMembraneSeparationBioreactor[J].WatSciTech,1993,28(10):325-333.[5]　YEOMIT.TreatmentofHouseholdWastewaterwithanIntermittent-lyAeratedMembraneBioreactor[J].Desalination,1999,124:193-204.[6]　UEDAT,HATAK,KIKUOKAY.TreatmentofDomesticSewagefromRuralSettlementsbyaMembraneBioreactor[J].WatSciTech,1996,34(9):189-196.[7]　.[M].3.:,1996.276-279.[8]　UEDAT,HATAK.DomesticWastewaterTreatmentbyaSubmergedMembraneBioreactorwithGravitationalFiltration[J].WatRes,1999,33(12):2888-2892.[9]　,　.AO[J].,2002,18(8):78-80.[10]　SEOGT,LEETS,MOONBH,etal.TwoStageIntermittentAer-ationMembraneBioreactorforSimultaneousOrganic,NitrogenandPhosphorusRemoval[J].WatSciTechnol,2000,41(10-11):217-225.[11]　　,　,.[A].[C].:,2000.[12]　WOUTERGhyoot.NitrogenRemovalfromSludgeRejectWaterwithaMembraneAssistedBioreactor[J].WatRes,1999,33(1):23-32.[13]　.———[J].,2001,20(1):24-27.[14]　BERTHOLDGunder.ReplacementofSecondaryClarificationbyMembraneSeparationResultswithTubular,PlateandHollowFibreModules[J].WatSciTech,1999,40(4-5):311-320.[15]　,,,.MBR[J].,2001,22(4):51-55.·动态与简讯·“”,。,。“”,,,,,、。,、、,“”、,。4416　4　.MBR200312