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、[1]。。“”、。2NitrosomonasNitrobacter2[2]。FA[3]。[4]FA。SND。-SND。[5]DO。0.2～0.4mg·L-11.2～1.5mg·L-1。。SBBRDO、DOSNDTNDOSND、。11.18L。1.5cm×1.5cm×1.5cm4cm2·cm-32.36LSBBR121.7300702.730030SBBRDO0.45mg·L-11.19mg·L-1、FA、DOSND。250dSBBR。COD122～2385mg·L-1COD23～390mg·L-186.8%20.44kgCOD·m-2·d-1。NH4+-N40～396.5mg·L-1NH4+-N0～41.2mg·L-12.87kgN·m-2·d-1SBBRSNDTN73.8%ρDO=0.45mg·L-130%ρDO=1.19mg·L-1。FA1.5～11.6mg·L-1SNDSNDFA18.6mg·L-156mg·L-1SND。FASNDDOSNDSND。X703.1A1000-3770(2009)09-048-042009-02-271952－13909406361E-mailhaohuofan08@163.com35920099TECHNOLOGYOFWATERTREATMENTVol.35No.9Sep.,200948DOI:10.16796/j.cnki.1000-3770.2009.09.01629.5%。SBBR、、。。。5d。SBBR→→→。1.2pH7.1～8.5500～75041。。1.3NH4+-N、NO3--N、NO2--N、COD、TN、TON、TC、TOCTICTN/TOCMultiN/C3000DO、ORPpHWTW。22.1SBBRSBBR5d、。COD1250d。1SBBRCOD122～2385mg·L-1COD23～390mg·L-1。。SBBRCOD40.2%～98.5%86.8%。COD、。OLRORR2DO0.45mg·L-10～156d1.19mg·L-1157～250d。2R20.860.82。0.13～3.84kgCOD·m-3·d-10.06～3.22kgCOD·m-2·d-10.45～20.44kgCOD·m-2·d-1。DOSBBR、。COD。ρTS/mg·L-1ρTSS/mg·L-1COD/mg·L-1ρTOC/mg·L-1ρIC/mg·L-ρTC/mg·L-1ρTN/mg·L-ρNH4+-N/mg·L-1ρNO3--N/mg·L-1ρNO2--N/mg·L-11560033007850～224503200～3600230～3103380～4020830～1380750～12502.6～9.61.0～2.61Table1Thecharacteristicsoflandfillleachate2SBBRFig.2Correlationbetweenorganicloadingrateandor-ganicremovalrate0.00.51.01.52.02.53.03.54.005101520 OLR/kgCOD m d ORR/kgCODm d 05010015020025005001000150020002500020406080100COD/mg L COD% d1SBBRCODFig.1Variationofinfluent,effluentCODinSBBRSBBR492.2SBBR3。SBBR40mg·L-1396.5mg·L-10～41.2mg·L-143%～99.5%。60～95d35d85%。10mg·L-190%。。SBBR、4。DODO0.45mg·L-110.8℃～30℃0.22～2.59kgN·m-2·d-10.65kgN·m-2·d-14100～120d20℃。DO1.19mg·L-115.2℃～26.3℃1.51kgN·m-2·d-1426.3℃2.87kgN·m-2·d-1。SBBR、。DODO2mg·L-1。ρDO2mg·L-1DO。2.3SBBR/TN。TN5。5TN42.1～400mg·L-1TN2.1～382.3mg·L-1。TN3I0～14dTN4.9%86.1%II16～156dTN35.3%～97.6%73.8%62～95dTN60%TN80%SBBRTNIII160～250dTN0.6%～59.6%30.0%II。0.45mg·L-11.19mg·L-1100～156dTN86.4～154.6mg·L-1160～198dTN94.3～142.4mg·L-1TN d kgN m d 4SBBRFig.4ThevariationofNH4+-Nremovalrateandwatertemperature0501001502002500100200300400500-20020406080100 TN%dTN/mg L 5SBBRTNFig.5Thevariationofinfluent,effluentTNinSBBR05010015020025001002003004005000102030405060708090100d NH -N/mg L %3SBBRNH4+-NFig.3Thevariationofinfluent,effluentNH4+-NinSBBR3595080%30%。SBBRTN。2.4SBBRSNDSNDSND。SNDSNDSND[6]。40%C/N。FApH。SBBRFANO3--NNO2--N6。60～156dDO0.45mg·L-1FA1.5～11.6mg·L-15.5mg·L-1。NO3--N0.1～99.3mg·L-113.0mg·L-1NO2--N0～15.9mg·L-12.9mg·L-1。FASNDSNDSND。160～198dDO0.45mg·L-11.19mg·L-1NO3--NNO2--NFA。FADO。FA18.656mg·L-1199～250dNO3--N1.8～13.4mg·L-15.5mg·L-1NO2--N138.1～376.2mg·L-1218.0mg·L-195%SND。3DOSBBR、。86.8%90%20.44kgCOD·m-2·d-12.87kgN·m-2·d-1。SBBRSNDDO0.45mg·L-11.19mg·L-173.8%30%TNDOSBBR。DO。FASBBRSNDDO。FA1.5～11.6mg·L-1SNDSNDDOSNDSND。FA18.6mg·L-156mg·L-1SND。[1],.[M].:,2005.[2]Metcalf&Eddy,etal.Wastewaterengineeringtreatmentandreuse[M].4thed.USA:McGraw-HillCompanies,2003.[3]KimDJ,LeeDI,KellerJ.EffectoftemperatureandfreeammoniaonnitrificationandnitriteaccumulationinlandfillleachateandanalysisofitsnitrifyingbacterialcommunitybyFISH[J].BioresourceTechnol,2006,97(3):459-468.[4]PengYZ,ZhangSJ,ZengW,etal.Organicremovalbydenitrificationandmethanogenesisandnitrogenremovalbynitrificationfromlandfillleachate[J].WatRes.,2008,42(7/8):883-892.[5]Pochana,Klangduen,KellerJ.Studyoffactorsaffectingsimultaneousnitrificationanddenitrification(SND)[J].WatSciTech.,1999,39(6):61-68.[6]HyungseokY,KyuHA,HyungJL,etal.Nitrogenremovalfromsyntheticwastewaterbysimultaneousnitrificationanddenitrification(SND)vianitriteinanintermittentlyaeratedreactor[J].WatRes.,1999,33(1):145-154.0501001502002500100200300400500-100102030405060FA/mg L /mg L d 6SBBRNO3--N、NO2--NFA、DOFig.6ThecorrelationbetweeneffluentNO3--N,NO2--NandFA,DOinSBBRSBBR5551STUDYONTHECHARACTERISTICOFBIOLOGICALNITROGENREMOVALINSBBRTREATINGLANDFILLLEACHATEWITHHIGHCONCENTRATEDNITROGENHaoHuofan1,HuXiaoming2（1.SchoolofEnviromentalandMunicipalEngineering,LanzhouJiaotongUniniversity,Lanzhou730070,China2.GansuEnvironmentalEngineeringAssessmentCenter,Lanzhou730030,China）Abstract:TheCOD,NH4+-NandTNremovalcharacteristicswereinvestigatedatDOwas0.45mg·L-1and1.19mg·L-1,respectivelyinasequencingbatchbiofilmreactor(SBBR)treatinglandfillleachate;andtheeffectoffreeammonia(FA)andDOontypeofsimultaneousnitrificationanddenitrification(SND)wasstudied.TheexperimentalresultsclearlyshowedthattheCODandammoniawasremovedsimultaneouslystablyandefficiently,andwhenfeedCODwasrangefrom122mg·L-1to2385mg·L-1,effluentCODconcentrationwasbetween23mg·L-1and390mg·L-1,theaverageremovalefficiencywas86.8%,themaximumCODremovalratewas20.44kgCOD·m-2carrier·d-1.andwhentheinfluentammonianitrogen(NH4+-N)waschangedfrom40mg·L-1to396.5mg·L