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:2005-03-01:(2003AA601010-05):(1976-),,,.支霞辉1,王红武1,丁峰2,彭永臻3,马鲁铭1(1.,200092;2.,266033;3.,100022):.,(25e),pH815,80%.pH,,01724mgPL,,.:;;;:X703:A:1001-6929(2006)01-0026-04TheStudyofShortcutNitrification-DenitrificationatNormalTemperatureZHIXia-hui1,WANGHong-wu1,DINGFeng2,PENGYong-Zhen3,MALu-ming1(1.EnvironmentalInstitute,TongjiUniversity,Shanghai200092,China;2.EnvironmentalInstitute,QingdaoTechnologicalUniversity,Qingdao266033,China;3.BeijingUniversityofTechnology,Beijing100022,China)Abstract:Somestudiesonshortcutnitrification-denitrificationofdomesticwastewateratnormaltemperatureareperformedinthisexperiment.Itisfoundthatundertheconditionoftemperatureatnormaltemperature(25e)andpH815,theaveragerateofnitrosationisabove80%throughincreasingthemassconcentrationofinfluentammonia.ThemutativeruleofpHisalsostudiedinthereactionandtheregularpatternisfound.ThepHalterationwasaclearindicatorofshortcutnitrification-denitrificationreactionprogress.AccordingtotheruleofpHalteration,theautomationinshortcutnitrification-denitrificationreactioncanberealized.Theboundaryconditionoftransformationbetweenshortcutnitrification-denitrificationandnitrification-denitrificationisinvestigated.Themassconcentrationoffreeammoniarestrainingammoniumoxidizingbacteriais01724mgPL.Whentheconcentrationishigher,thegrowthofammoniumoxidizingbacteriawillberestrained,butwithnorestrainingonnitriteoxidizingbacteria.Keywords:shortcutnitrification-denitrification;normaltemperature;rateofnitrosation;inhibitoryconcentration2.NO2-,,,..:(FA),DO,,pH,[1].4~45e,20~30e.25e,,[2)4].SHARON30~35e[5],,,,,..11112SBR(1),12L.,;,;,,.1SBRFig.1Schematicdiagramofsludgebatchreactor112CODCr;191ResearchofEnvironmentalSciencesVol.19,No.1,2006DOI10.13198/j.res.2006.01.28.zhixh.007;;N-(1-)-;MLSS;pHpH(WTW);DODO.2,Q()50~150mgPL,Q(CODCr)400~900mgPL,NaOHpH.,Q(MLSS)3~5gPL,1.211:KN=10(0.051T-1.158)(1)LN,max=0.47e0.098(T-15)(2),T,e;KN,mgPL;LN,maxTe,d-1.(2),,.pH815,Q(DO)2~3mgPL,Q(MLSS)415gPL,Q()80~85mgPL,20,25,28,3035e,(2).2,3035e2h80%,4~5h;2528e,6h80%,20e,6h50%.(25e),.Pe:1)20;2)25;3)28;4)30;5)352Q()Q()Fig.2Profileofammonianitrogenandnitrousnitrogenatdifferenttemperature2,,3035e,,,4~5h,,3h;2528e6h,2h.(30e),,,.(25e),2h.(20e),6h,.:pH,,80%.212pHpH.,pH714~813,pH8[6)8].pH,pH[9].25e,Q()68mgPL,pH81737116Q()Q()(3).pH817388%,Q()1915mgPL;pH711670%,Q()11185mgPL,pH,.pH,pH81731pH,4.4,pH:015h,1h,.pH,.51,Q()pH.Q()pH.pH,5pH.pH,.213Q()(FA).FA[10)11].[12],Q()271:pH:1)8.73;2)7.163pHQ()Q()Fig.3ProfileofammonianitrogenwithdiffrerentpH4pH8.731pHFig.4ProfileofpHwheninfluentpHis8.73Q()P(mg#L-1):1)124.1;2)97.37;3)64.587Q()Q()Q()Fig.7Profileofammonianitrogenandnitrousnitrogenwithdifferentinfluentmassconcentrationofammonianitrogen5Q()pHFig.5ProfileofthemassconcentrationofammonianitrogenandpH.625e,pH815,Q().6,Q(),.Q()100mgPL,Q()30mgPL,5319mgPL,90%.,.6Q()Fig.6Removalofammonianitrogenwithdifferentmassconcentrationofammonianitrogen725e,pH815,Q(),1.Q(),5~6h,2h;Q(),6~7h,3h.Q(),,,,,,1.2819214.8pH7145,25e,Q()38,4366mgPL,.Q()43mgPL,.Q()38mgPL,,,,,.Q(),pH,,[13].,(25e)01724mgPL.,.,,,.,Q()66mgPL,,015%.8Q()Fig.8Profileofammonianitrogen,nitrousnitrogenandnitrateatdifferentinfluentmassconcentrationofammonianitrogen3a.,(25e),pH.b.pH815.c.pH,,.d.01724mgPL,,.:[1],,.-[J].,2000,16(2):29)31.YuanLinjiang,PengDangcong,WangZhiying.Shortcutnitrification-denitrification[J].ChinaWaterandWastewater,2000,16(2):29)31.[2],,,.[J].,2000,32(1):1)7.WangZhiying,LiuChaoxiang,PengDangcong,etal.Studyontheselectionprocessofnitrificationinbiologicalfluidizedbedunderhighconcentrationogammonia[J].JournalofXi.anUniversityofArchtecture&Technology,2000,32(1):1)7.[3].[J].,2000,26(11):21)23.ShiYongsheng.Technologyofnitrosificationofammoniatedwastewater[J].WaterandWastewater,2000,26(11):21)23.[4]CollivignarelliC,BertanzaG.Simultaneousnitrification-denitrificationprocessesinactivatedsludgeplants:performanceandapplicability[J].WaterSciTechnol,1994,40(4P5):187)194.[5]OussamaTurk.Maintainingnitritebuild-upinasystemacclimatedtofreeammonia[J].WaterRes,1989,23(11):1383)1388.[6],.[M].:,1998.ZhengXingcan,LiYaxin.Phosphorusandnitrogenremovalfromwastewater[M].Beijing:Architecture&BuildingPress,1998.[7]RalfStuven.Theimpactoforganicmatteronnitricoxideformationbynitrosomonaseuropaea[J].ArchMicrobiol,1992,158:439)443.[8]vanBenthumWAJ.Nitrogenremovalusingnitrifyingbiofilmgrowthanddenitrifyingsuspendedgrowthinabiofilmairliftsuspensionreactorcoupledwithachemostat[J].WaterRes,1998,32:2009)2018.[9],,,.[J].,1994,20(4):230)235.PanGuimin,ChenFenggang,JinChengji,etal.Studyonnitrosificationofcoalgasificationwastewater[J].TechnologyofWaterTreatment,1994,20(4):230)235.[10],.P[J].,2001,21(1):79)83.FangShi,LiXiaohuan.AstudyonremovingnitrogenfromhighlynitrogenousMGwastewaterwthprocessofshortenednitrificationPdenitrification[J].ActaScientiaeCircumstantiae,2001,21(1):79)83.[11],,,.[J].,2001,17(5):24)28.ZhaoZongsheng,LiuHongliang,LiBingwei,etal.Thewayofnitrogenremovalfromwastewaterhavinghighammorianitrogenconcent[J].ChinaWaterandWastewater,2001,17(5):24)28.[12],,,.[J].(),2000,23(3):74)76.ChenJida,C