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:2002212226.:(19792),,;,(200433).11(1.,200433):,.A2öOCASTMSBROCO(Carrousel),.:;;:X703:A:100025730(2003)0120085203,,..,,,.11.1A2öOA2öOA1ö(A2)öO,,.A2öO,,.,,.,2Q,;,.1.2CAST()[1]CAST(CyclicActivatedSludgeTechnology),,,..CAST,,SBR(SequencingBatchReactor).1.3MSBRMSBR(ModifiedSequencingBatchReactor)[2],SBRA2öO.,SBR,[3].MSBR,.1.4OCOOCO(1)[4].1OCO1.5Carrousel[5](Carrousel),,,.,,..,,,20120033()J.ofHUST.(UrbanScienceEdition)Vol.20No.1Mar.2003.:,,,,.22.1,A2öO,A2öO;CAST,QuakersHill;MSBREstevan;OCOPuritekAöS,,SpjaldSkaevingeDragsholmOCO;[6,7],1().1ö%A2öOCASTMSBROCOA3COD88.49385.07BOD88.798959883.47TN19.0576918339.15TP82.5570659385.64SS91.85979589.20:A3.,,TPTN,A2öO.A2öO,,,.A2öO,,.CAST,.,,;,.MSBR,.1,(91%),(65%).OCOBOD,NP,A2öO.,,BODN,,.,.OCO,BOD598%,NP.,800.BOD,COD,NP95%,90%,75%65%[8].,,TP,TN,,,.2.2BODö$PBOD(BODö$P),BODö$P=BODö(TP-TP)[9].,,BODö$P,.2,OCOBODö$P,.BODö$P.,,(),(NP),BODö$P[10].BODö$P,(SRT).2BODö$PA2öOCASTMSBROCOA3BOD5ö$P36.267.651.625.729.9BODöTP29.842.332.42425.4a.(SRT).,;,.,,.,,PHB,.,BODö$P(3)[11].3BODö$PBOD5$PCOD$PSRTödPhoredox,VIP152026348A2öO,UCT20253443715Bardenpho2543152568()2003b..,.A2öONOx-N,..2.3.A2öO,,,,,.CAST,.MSBR,,,,.OCO,CöP,P95%.,,.4a.,,.b.A2öO,,,.,.,,,.A2öO.c.CAST,MSBROCO,,.,.d.CAST,MSBROCO.e.MSBR,,.[1],K.Wutster.(CAST)[J].,1996,12(6):429.[2].MSBR[J].,1999,25(6):10212.[3].[J].,2002,18(9):65268.[4].OCO[J].,2000,26(3):122.[5],.[J].,2001,(4):14217.[6],.[J].,2000,26(1):6210.[7].[J].,1997,13(3):17218.[8].CarrouselR[J]..2002,28(2):19221.[9],.[J].,2002,18(9):23225.[10].()[J].,2002,28(6):6211.[11]Metcalf&Eddy,Inc.:()[M].:,2002.AnalysisonProcessesofNitrogenandPhosphorusRemovalforMunicipalSewageHEWen2yuan1YANGHai2zhen1(1.StateKeyLaboratoryofPollutionControlandResourcesReuse,TongjiUniv.,Shanghai200433,China)Abstract:Theprocessofphosphorusandnitrogenremovalshouldbeappliedinnewbuiltsewageplantstopreventwaterfromeutrophication.NitrogenandphosphorusremovalefficienciesofseveralprocessesofbiologicalnutrientremovalsuchasA2öO,CAST,MSBR,OCO,Carrouselditchandtheeffectsontheefficiencyareanalyzed.Theadvantagesanddisadvantagesoftheseprocessesarealsodiscussed.Keywords:eutrophication;nitrogenandphosphorusremoval;sewage781: