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105Vol.10,No.520089JournalofDalianNationalitiesUniversitySeptember2008:1009-315X(2008)05-0398-02LLMO,,,,(,116605):A/O,LLMO(CODCrTOCT-N)15d,CODCrTOCT-N,(MLSS)(SVI):;;;:X703.1:AInfluenceonMLSS,SVI,andEffluentQualitybyaddingLLMOinAerationTankofActivatedSludgeZHANGChun-hua,HUBing,SUSheng-nan,MAYan,ZHONGLi-li(CollegeofLifeScience,DalianNationalitiesUniversity,DalianLiaoning116605,China)Abstract:TheexperimentaldevicessimulatedtheA/Omethodusedbymunicipalwastewatertreatmentplantwasutilizedtotreatlivingwastewater.ByaddingLLMOinaerationtank,theinfluenceonMLSS,SVIandeffluentqualitywasresearched.TheresultsrevealthatCODCr,TOC,T-Nofeffluentwerestable,andMLSSSVIinaerationtankhadageneralstabletrendanddeclinedslightly.Keywords:LLMO;activatedsludge;sludgeconcentration;SVI,25%65%[1],,[2][3][4]LLMO(LiquidLiveMicroOrganisms),,,,LLMOS-1ACT,,CO2H2O,[5]LLMO11.1;0.16m3,20L/h,DO78mg/L135(66),,,,:2008-02-2:19-5,:LLMO39911.2(1)2,,(2)LLMO,A(S-1/ACT)B(N-1/PAN),2d(3)3,:A500mL/d,B1100mL/d(4)4,(5),MLSSSVI;CODCr;TOCT-N22.1CODCr,CODCr22,CODCr,350600mg/L,CODCr,80mg/L;CODCr77%88%,CODCr,CODCr2CODCr2.2MLSSSVISVI[6],SVI50100,[7]MLSSSVI33,SVI7090mL/g,;,MLSS,7d,MLSS,1000mg/L,TOC,8d,,3000mg/L,MLSS,,MLSSMLSS,,MLSS,3MLSSSVI2.3TOCT-NTOCT-N4TOCT-N,T-N3040mg/L,T-N7080mg/L,T-N50%60%TOC,CODCr,,,CODCr,,11d,TOC,8dTOTN(3)4C-405:403;,,pH7.0,,5pH3,,,,8h,,,pH7.0,pH,pH7.0,pH:[1],DONALDGF.-[J].,2002,27(5):584-591.[2].[M].:,1984.[3],,,.[J].,2007,38(5):1007-1011.[4],,,./[J].,2001(2):82-83.[5]NORSETHT.Thecarcinogenicityofchromium[J].En2viron.HealthPerspect.,1981,40:121-130.[6],,,.[J].,2007,7(5):42-27.()(399),MLSS(4),(),,MLSS,,TOC,3LLMO,,;,CODT-NSVI,LLMO:[1].[D].:,2004.[2],,,.[J].,2006,28(3):74-77.[3],,.2,4-[J].,2006,37(3):35-37.[4]LEENM,WELANDERT.ReducingsludgeProductioninAerobicWastewaterTreatmentthroughManipulationoftheEcosystem[J].WaterResearch,1996,30(8):1781-1790.[5]LLMO[Z].:(),2007.[6],,.SBR[J].,2006,32(10):36-41.[7],,,.[M].2,().:2004.