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1,1,2,1(1.,100084;2.,410001):H2SNH39,H2S09mg/m3,NH300.6mg/m3,H2SNH3,,H2SNH3,18,H2SNH3;,:;;:X512:C:1000-4602(2006)21-0099-05OdorantsEmissionCharacteristicsinaMunicipalWastewaterTreatmentPlantXIJin2ying1,HUHong2ying1,LUOBin2,WANGCan1(1.DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084,China;2.ChangshaGuozhenWastewaterTreatmentCorporation,Changsha410001,China)Abstract:Inordertocontroltheodorpollutioninmunicipalwastewatertreatmentplants(WWTPs),theemissioncharacteristicsofsomemainodorantswerestudied.Theconcentrationsofemit2tedH2SandNH3fromamunicipalWWTPweremonitoredcontinuouslyfor9months.TheresultsshowthattheemissionconcentrationofH2Sis0-9mg/m3,andtheemissionconcentrationofNH3is0-0.6mg/m3.TheconcentrationsofemittedH2SandNH3fromtheaeratedgritchamber(AGC)andthecoarsescreen(CS)showthattheconcentrationsarehighduringsummerandautumnandlowduringwinterandspring,withevidentdifferencesduringthefourseasons.ForAGCandCS,themainfactorofinfluencingodorantsemissionisthetemperatureoftheinfluentwastewater.Theconcentrationsoftheodorantswilldecreasewiththereductionofthetemperature.TheH2SandNH3cannotbedetectedifthetemperatureofthewastewaterislowerthan18.TheconcentrationsoftheodorantsfromthecombinedWWTPswillalsobereducedsignificantlyafterrainfall.Keywords:wastewatertreatmentplant;odor;emissioncharacteristic:(863)(2004AA601061),,[1],992221200611CHINAWATER&WASTEWATERVol.22No.21Nov.2006转载中国科技论文在线,;,,,[2][3],,[4],(H2SNH3),[56],,()()[7];,[8]H2SNH3,,H2S,[9],,,1111,14104m3/d,,,112,,,,1m1132005820064,H2SNH3,H2SNH3,H2S0.55mg/m3(1000mL),NH3130mg/m3(100mL),35,H2SNH32,H2SNH311Tab.1Definitionofodorintensitygrade1234,2211H2SNH320058,H2SNH3,22,H2SNH3,H2S09.0mg/m3,NH300.6mg/m3,[10],H2SNH3(GB189182002),0012122中国科技论文在线:0H2SNH3,H2S,NH3NH3(),H2S()NH3H2S,,H2S,H2S8.9mg/m3,,,H2SNH3,H2S,H2S[1112],:(),H2SNH3,H2SNH32122005820064,23dH2SNH3,121H2SFig.1ConcentrationofH2Semittedfromaeratedgritchamberandcoarsescreen2NH3Fig.2ConcentrationofNH3emittedfromaeratedgritchamberandcoarsescreen1,200589,H2S,2.2mg/m30.7mg/m310,H2S,1.4mg/m30.2mg/m3113,H2S,H2S0.2mg/m3,1121H2S20064,H2S,H2S2,200589,NH3,0.2mg/m30.4mg/m3;10,NH3,10121,:22中国科技论文在线(H2S0.4mg/m3,NH30.1mg/m3),18,21312H2SNH3,H2SNH3,H2SNH332005811()H2SNH33()H2SNH3Tab.3AverageconcentrationsofH2SandNH3inrainydaysandshiningdays/H2S/(mgm-3)NH3/(mgm-3)H2S/(mgm-3)NH3/(mgm-3)23.90.50.020.10.03()25.61.70.10.40.2:29,73,()H2SNH3:,,,,,214H2SNH3[8],H2SNH3,H2SNH344,H2SNH3;H2SNH3,H2SNH3,H2SNH3,2012122中国科技论文在线:[1],.[J].,2005,31(3):28-30.[2],.[J].,2004,5(5):38-42.[3],.[J].,2004,18(4):27-29.[4].[J].,2002,22(5):36-40.[5],,.[J].,2005,24(1):18-20.[6],,.[J].,2005,31(9):38-39.[7],,.[J].,2003,22():4-7.[8],,,.[J].,2002,18(2):41-42.[9]CooperCD,GodlewskiVJ,HansonR,etal.Odorin2vestigationandcontrolataWWTPinOrangeCounty,Florida[J].EnvironProg,2001,20(3):133-136.[10],,.[J].,2005,31(9):15-19.[11]FrechenFB.OdouremissioninventoryofGermanwastewatertreatmentplantsodourflowratesandodouremissioncapacity[J].WaterSciTechnol,2004,50(4):139-146.[12]WitherspoonJR,SidhuA,CastleberryJ.Odouremissionestimatesandcontrolstrategiesusingmodelsandsam2plingforEastBayMunicipalUtilityDistrictscollectionsewagesystemandwastewatertreatmentplant[J].Wa2terSciTechnol,2000,41(6):65-71.:(010)62796790E-mail:xijinying@tsinghua.org.cn:2006-06-1430121,:22中国科技论文在线