沸石石英砂生物滤池处理微污染水中试研究杨艳玲

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-杨艳玲1,李 星1,张 晔1,李圭白2(1., 100022;2., 150090) :-,.,,、CODMn、254mmA254、NH3-NNO-2-N93.5%、38%、40%、95%100%,30cm;,1~2h.,,-.:;;;:TU991.2:A:0254-0037(2006)12-1067-04:2005-12-28.:(863-2004AA601020);(05004014200607):(1964-),,,.  、,,NH3-N,3,.,,,,.[1-5],-,、NH3-N、NO-2-N、CODMnA254,,.1 1 Fig.1 Schematicdiagramoftreatmentprocess1,,140mm,4.0m;80.0cm,0.8~1.2mm,40.0cm,0.75mm.7.5~8.0m/h.,,ρCODMn.23~28℃;pH6.82~7.53;ρCODMn0.96~9.00mg·L-1;27~72NTU;ρ(NH3-N)0.51~2.88mg·L-1;ρDO4.90~7.39mg·L-1.3212200612JOURNALOFBEIJINGUNIVERSITYOFTECHNOLOGYVol.32No.12Dec.20062 2,,NH3-N、NO-2-N、CODMnDO,NH3-N、NO-2-N,,.2.1 2.1.1 2 Fig.2 Turbidityremovalalongdepthofbiofilter2(n),,,93.5%,30cm85%,30cm,.,2,,,,,,[6].2.1.2 3,CODMn38%,30cmCODMn34%,90%,30cm,,,,.3 CODMnFig.3 CODMnremovalofalongdepthofbiofilter4 A254Fig.4 A254removalalongdepthofbiofilter,,,;;,,,,[7].4,A25440%,0~60cm,A254,60cm,.1068       2006CODMnA254,A254,0~30cm,A254,A254,.2.1.3 5.0~20cmNH3-N95%,NO-2-N100%,.NO-2-N,,NH3-NNO-2-N,,NO-2-NNO-3-N.5,ρ(NH3-N)ρ(NO-2-N),NO-3-N,20cm,NH3-NNO-2-NNO-3-N,,,ρDO,0.5mg/L,2mg/L,,,,.2.2 6,1(h).48h160cm,.,,.,,.5 Fig.5 Conversionofnitrogencompound 6 Fig.6 Variationsofheadlossinbiofilteralongdepthofbiofilter2.3 25%~30%.7.5~8.0m/h,48h.2.3.1 71.0.5h,CODMnA25424%25%;2h,30%40%,.,.,1069 12:-,,,,[8].2.3.2 NH3-N81NH3-N.0.5hNH3-N63%,1hNH3-N90%.,NH3-N,,、,,,[9-10].7 CODMnA254Fig.7 CODMnandA254removalrateofbiofilter8 NH3-NFig.8 NH3-Nremovalrateofbiofilter3 -,、CODMn、A254、NH3-NNO-2-N93.5%、38%、40%、95%100%.CODMn30cm,A254,20cm.,1~2h.,-,.:[1],,.COD[J].,2002,18(12):13-15.TIANWen-hua,WENXiang-hua,QIANYi.UseofzeolitemediumbiologicalaeratedfilterforremovalofCODandammo-nianitrogen[J].ChianWater&Wastewater,2002,18(12):13-15.(inChinese)[2],,.[J].,2000,21(5):71-73.LIDe-sheng,WANGXiao-dong,WANGZhan-sheng.Applicationofbio-zeolitereactoronmicro-pollutedsourcewaterquali-tytreatment[J].EnvironmentalScience,2000,21(5):71-73.(inChinese)[3],.[M].:,1999.[4],,.[M].:,2000.[5],.[M].:,2006.[6].[M].:,2005.[7],.[M].:,2000:259-260.[8]RITTMANNBE.Analyzingbiofilmprocessusedinbiologicalfiltration[J].JournalofAmericanWaterWorksAssociation,1990,82(12):62-66.(inChinese)[9]POLANCEF,MENDEZE,VILLAVERDES.Studyofnitrifyingbiofilmsinsubmergedbiofiltersbyexperimentaldesignmethod[J].WatSciTech,1995,32(8):227-233.[10],,.[J].,2002,25(11):17-21.QIAOTie-jun,ZHANGXiao-jian,YUXin.Effectofbackwashingonbiomassinbiologicalactivefilterofdrinkingwater[J].Water&WastewaterEngineering,2002,25(11):17-21.(inChinese) (1092)1070       2006 TreatmentofSalineSewageWithModifiedMUCTProcessYELiu,PENGYong-zhen,CUIYou-wei,WANGXiao-wei(KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentRecoveryEngineering,BeijingUniversityofTechnology,Beijing100022,China)Abstract:Inordertofindouttheremovalefficiencyofnutrientpollutionofrealsalinesewageandtheinflu-enceofsalinityshock,alab-scalenutrientremovalactivatedsludgesystem,basedontheMUCTconfigura-tion,ismodifiedtotreat10g/Lsalinesewage.Theresultsindicatethatafterdomesticationofmicroorganismat10g/Lsalinity,thetotalorganicnitrogenandphosphorusaverageremovalefficiencycanachieve87%and72%respectively.Thenutrientremovalefficiencywasalsochangedunderdifferentsalinityshock.Thesalini-tyshock,especiallyincreasedsalinityshock,influencesphosphorusremovalefficiencymuchmorethanthere-movalefficiencyofnitrogenandorganicmatter.Keywords:saline;nitrogenremoval;phosphorusremoval;modifyMUCT (1070)Pilot-ScaleExperimentalStudyofMicropollutedRawWaterwithZeolite-SandBiofilterYANGYan-ling1,LIXing1,ZHANGYe1,LIGui-bai2(1.KeyLaboratoryofBeijingforwaterQualityScienceandWaterEnvironmentRecoveryEngineering,BeijingUniversityofTechnology,Beijing100022;2.SchoolofMunicipalandEnvironmentEngineeringHarbinInstituteofTechnology,Harbin150090,China)Abstract:Theoperationalperformanceofzeolite-sanddouble-layerbiofilterisstudiedtotreatmicropollutedrawwateronanexperimentalscale.Thefeasibilityofthemicropollutedrawwatertreatedbythebiofilterisexamined.Theresultsshowthatthetreatedwaterqualitycanbeobviouslyimprovedandtheremovalrateofturbidity,CODMn,UV254,NH3-NandNO-2-Nhasreachedto93.5%,38%,40%,95%and100%re-spectively.Theremovalishandledmostlyonthetoplayerof30cminthebiofilter.Backwashingprocessofthebiofilterhaslittleinfluenceonthebiofilm,whichcanberecoveredwithinonetotwohoursaftertheback-washing.Itisfeasibletoreplaceanordinaryfilterwithzeolite-sanddouble-layerbiofilterintheprocessofmi-cropollutedrawwatertreatment.Keywords:biofilter;micropollutedwater;pilot-scale;drinkingwatertreatment1092       2006

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