©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()JournalofShenyangJianzhuUniversity(NaturalScience)Sep.2009Vol.25,No.5:2009-03-09:(06K211):(1953),,,.:1671-2021(2009)05-0974-04,,,(,110168):,..,.2527,DO()34mg/L,NH+4-N11130mg/L,HRT=30min,0134mg/L,015mg/L.,70%,.11021104g/cm3,,,.:;;HRT;:TU991:A0.,(CJ3020-93).90%[1-4],().(GB5749-2006),.,,,,,,,[5].,[6-8],,.,HRT=30min;,,70%,.,,.1111(1).3mm,,11021104g/m3.(2),1.,145mm,1100mm,18L.10%(),©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3)(2).4mm,1m,7m,615m3,.,,,,,.,.2112,2527,1.113pHpH(YOKOGAWAMODELpH81);HACH2100N(NTU);;(723G);.1pH6156196170/NTU1212581331115(CaO)/(mgL-1)271953711032136()/(mgL-1)018471141311130()/(mgL-1)010600111801089(CODMN)/(mgL-1)119231122142UV2540104501098010572211DO()34mg/L,013L/min,60min,20d,012mg/L,80%,,.212HRT,HRT.,HRT,HRT,(3).33,HRT45min,26,1113mg/L,0122©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()25mg/L,80%,013mg/L.HRT30min,25,1113mg/L,0134mg/L,70%.HRT20min,,,25,1113mg/L,0156mg/L,50%.HRT=10min,26,1113mg/L,0168mg/L,30%.HRT,HRT,,.HRT,,[9-11].HRT45min30min20min10min,80%70%50%30%,40123mg/L0134mg/L0156mg/L0168mg/L,HRT30min30min,015mg/L,(GB5749-2006)015mg/L.HRT=20min,,015mg/L.,,HRT30min.213,,HRT=30min,,.4.4,HRT=30min015mg/L,(t=26d35d40d55d),015mg/L,015mg/L,015mg/L,.,0140mg/L,60%,,(70%),,.,,,.4,,5.55,015mg/L,,.210mg/L,0150163mg/L,.,110mg/L,015mg/L,110mg/L,110©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)HRT,HRT=30min,,.(2),HRT,,,,.(3),.,,.,,.:[1]CarpenterSR,CaracoNF,CorrellDL,etal.Non2pointpollutionofsurfacewaterswithphosphorusandnitrogen[J].EcologicalApplications,1998,8(3):559-564.[2]JarvieHP,WhittonBA,Neal.Nitrogenandphos2phorusineastcoastBritishrivers:speciation,sourcesandbiologicalsignificance[J].ScienceoftheTotalEnvironment,1998,6(3):79-109.[3]ChenZL,XuSY,XuQX,etal.Surfacewaterpol2lutioninYangtzeRiverDelta:patternsandcounter2measures[J].Pedosphere,2002,12(2):111-120.[4]SimeonovV,StratisJA,SamaraC,etal.AssessmentofthesurfacewaterqualityinNorthernGreece[J].WaterResearch,2003,37(17):4119-4124.[5]RobertCC,StuartWK,JamesFG.Enhancedcoag2ulation:apreliminaryevaluation[J].JournalofAW2WA,1995,87(2):173-184.[6],,,.DO[J].,2006,29(5):26-30.[7],,.[J].,2006,22(3):51-54.[8].[M].:,2002.[9],,,.[J].,2008,24(13):85-88.[10],.[M].:,2000.[11],,.[J].:,2008,24(5):850-853.SmallandPilotExperimentofImmobilizedNitrobacteriaTreatingAmmoniaNitrogeninMicro2PollutedRawWaterJIABaoqiu,WUYinna,ZHOUJing,CUIBaokang(SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,ShenyangChina,110168)Abstract:Thepaperaimstostudytheremovaleffectoftheimmobilizednitrobacteriatreatingammoniani2trogenundertheconditionsofsmallandpilotexperiment,andprovidereferenceforthepracticalproject.Cu2ringtechnologycansolvetheproblemofcelllossandenhancethecapacityimpactofnitrifyingbacteriacomparingbio2ceramicreactor.Themicro2pollutedrawwateristreatedseparatelybyusingimmobilizedni2trobacteriapelletsinair2liftloopandair2lifeloopaerobicfluidizedbed.Undertheconditionsthatthetemper2atureis2527andDOis3to4mg/L,whentheinfluentNH+42Nis11130mg/LandbestHRTis30mininsmallexperiment,theeffluentNH+42Nis0134mg/Landlessthan0105mg/L.Thepilotexperimentbasedonthesmallexperimentfurtherteststhatthecuringtechnologyhasbetterefficiencytoremoveindica2torofnitrogeninmicro2pollutedrawwaterandremovalrateisabout70%.Theembeddedimmobilizedni2trobacteriapelletswithdensityof11021104g/cm3havebetterbiologicalactivityandfluidizationinthetreatmentofmicro2pollutedrawwaterandarequitesuitablefortheapplicationinwaterworks.Keywords:immobilizednitrobacteria;ammonianitrogen;HRT;waterworks