,,,,,(,310035):(DO),DO4.0、4.5、5.0、5.5、6.0mg/L,MLSS、TN、TP,:DO6mg/L5.5mg/L,5d,59.0%53.0%,。TN、TP,。:;;;:X703:A:1006-8759(2010)02-0016-03RESEARCHONPROCESSPARAMETERSOFAEROBICSLUDGEDIGESTIONZHANGHua,ZHOUXiu-wei,ZHAOTing-ting,ZHAOQing,WUBin-bin,CHENGKun-bo(CollegeofEnvironmentalScienceandEngineering,ZhejiangGongshangUniversity,hangzhou310035,China)Abstract:Inordertoinvestigateslugdereductionunderdifferentdissolvedoxygen(DO)inaerobicdigestionprocess,thevariationofMLSS、TN、TPweremeasuredundertheconditionsofDOvalueswere4.0、4.5、5.0、5.5、6.0mg/L.TheresultsshowedthatwhenDOvalueswere6.0mg/Land5.5mg/L,underaerationformorethan5days,reductionofsludgecouldreachto59.0%and53.0%respectively.Inaddition,bydeterminingtheconcentrationsofTNandTP,itwasconcludedthatsupernatanteffluentshouldbeconcernedwhensludgewastreated.Keywords:activatedsludge;aerobicdigestion;endogenous;sludgereduction,。1kgBOD515~100L,95%[1,2]。20%~40%,60%,[3]。:、。[4,5],,,。,。,,:,BOD5(10mg/L);、,;、,,,,[6]。:2009-12-16EnergyEnvironmentalProtectionVol.24,No.2Apr.,201024220104,O2,[7]。,,;,,,。,。MLSS、TP、TN,,(DO)、(SRT),,。11.11,5,2L。,。,。1.2(GZX-9076MBE),(FA2104N),(SX2-25-10),721,UV-1800,(JPBJ-607)。1.3DO6.0,5.5,5.0,4.5,4.0mg/L,DO(JPBJ-607)。24hMLSS、TP、TN,《》[8]。10mL,。22.1DOMLSS2,7d,MLSS,27.1%~59.0%。,MLSS,,,。,,,,、,,MLSS。,,DO,,DO,。DO6mg/L5.5mg/L,59.0%53.0%,。,。2.2DOTP3,7d,(TP),7d,TP2.6~5.4。TP,TP,,TP。,,,·17·12DOMLSS/d,,,TP。3DOTP2.3DOTN4,7d,(TN),7d,TN1.5~3.0。TN,TN,,TN。,,,,,,TN。3(1)DO,,DO6mg/L5.5mg/L,59.0%53.0%,。(2)MLSSDO,,,,,,5d。(3),TN、TP,。:[1]Metcalf&EddyInc.WastewaterEngineering:TreatmentandReuse,4thEd.[M].USA:McGraw-HillCompanies,Inc.,2003.361~384.[2]LiuY,TayJH.StrategyforMinimizationofExcessSludgePro-ductionfromtheActivatedSludgeProcess[J].Biotechnol.Adv.,2001,19(2):97~107.[3]WeiYS,VanHoutenRT,BorgerAR,etal.MinimizationofExcessSludgeProductionforBiologicalWastewaterTreatment[J].WaterRes.,2003,37(18):4453~4467.[4]Rocher,M.,etal.Excesssludgereductioninactivatedsludgeprocessesbyintegratingbiomassalkalineheattreatment[J].WaterSci.Technol,2001,44:437~444.[5]Spinosa,L.EvolutionofsewagesludgeregulationsinEurope[J].WaterSci.Technol,2001,44:1~8.[6],,,.[J].,2004,5(10):9~13.[7],.[J].,2006,14(5):60~65.[8].[M].:,2002.·18·2424DOTN/d