不同填料生物滤塔净化城市污水厂恶臭气体研究

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1.,100084;2.,410001):,4,H2SpH,1020sH2S8.5mg/m3,H2S,H2S(GB1455493)H2S,,pH:;;;:X703:A:1000-4602(2010)03-0001-03ComparisonofBiofiltersPackedwithDifferentMediaforOdorRemovalfromMunicipalWastewaterTreatmentPlantXIJin2ying1,HUHong2ying1,LUOBin2,LIUYi2(1.StateKeyLaboratoryofESPC,DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084,China;2.ChangshaGuozhenWaterTreatmentCompany,Changsha410001,China)Abstract:Thecharacteristicsoffourbiofilterspackedwithdifferentmediaforodorcontrolfromwastewatertreatmentplantwerecompared.TheH2Sremovalcapacity,pressuredrop,waterholdingca2pacityandpHbufferingcapacityofthefourbiofilterswereinvestigatedduringtheoperation.Theexperi2mentalresultsshowthatallfourbiofiltershavesatisfactoryH2Sremovalefficiencywithemptybedreten2tiontimeof10to20sandinletH2Sconcentrationoflowerthan8.5mg/m3.TheoutletH2Sconcentra2tionmeetsthesecondclasscriteriaspecifiedinEmissionStandardsforOdorPollutants(GB14554-93).Thebiofilterpackedwithzeolitehashigherbufferingandtolerancecapacitiesforhigh2concentrationH2S,whilethebiofilterpackedwithporousperlitehashigherwaterholdingcapacity.Moreover,thebio2filterspackedwithmineralbeadsandzeolitehavehigherpHbufferingcapacity.Keywords:biologicalfiltration;odorremoval;municipalwastewatertreatmentplant;pack2ingmedia:(863)(2004AA601061),[1],126320102CHINAWATER&WASTEWATERVol.26No.3Feb.2010©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2]4,111111Fig.1Schematicdiagramofbiofiltersforodorremoval4,,120mm200mm2.3L4,11Tab.1Characteristicsofdifferentpackingmedia/mm/(kgm-3)381002000.440.62347000.370.493004000.550.61510120020000.370.48:(1535)mm4mm1124,4370d,,22Tab.2Operationparametersofbiofilters/538(25)/%1699(60)H2S/(mgm-3)0.0038.5/(m3h-1)0.40.8/s1020/(mh-1)3672/(mLd-1)300:;;,113,H2S,[3]H2S,pH2211H2SH2S22H2SFig.2VariationofinletH2SconcentrationandflowrateH2S,300d,4H2S0.06mg/m3,(GB1455493)45,H2S,H2S,2263©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1.5)H2S[4],H2S[5]H2S,(NH3)[6]3H2S0.0038.5mg/m31020s,4H2S95%,H2S0.06mg/m3,H2S;,H2SpHpHH2S3672m/h,4510Pa:[1].[J].,1999,21(2):27-28.[2]KennesC,VeigaMC.Inertfiltermediaforthebiofiltra2tionofwastegasescharacteristicsandbiomasscontrol[J].RevEnvironSciBiotechnol,2002,1(3):201-214.[3].(4)[M].:,2003.[4],,,.[J].,1998,17(3):9-11.[5],,,.H2S[J].,2005,18(2):11-14.[6],,.H2SNH3[J].,2003,19(13):114-116.:(1977-),,,,,:(010)6279716313801388422E-mail:[e-mail]:2009-09-213:263