不同填埋结构渗滤液中的氮动态变化特性王晓龙

王晓龙1,2,呼世斌2,黄启飞1*1.,1000122.,712100:,Q(NH4+-N),Q(NO3--N),Q(NO2--N)Q(TN).:,12,Q(NH4+-N)Q(TN),945986mgPL,(7912%7713%);Q(NO3--N)Q(NO2--N),25~31,NO3--NNO2--N;,Q(NH4+-N)4599mgPL2812mgPL,Q(TN)2859mgPL,,Q(NO3--N)Q(NO2--N),.:;;;;:X701:A:1001-6929(2008)04-0157-06CharacteristicsofNitrogeninLeachateinMunicipalSolidWasteLandfillWANGXiao-long1,2,HUShi-bin2,HUANGQi-fei11.ChineseResearchAcademyofEnvironmentalSciences,Beijing100012,China2.CollegeofResourceandEnvironment,NorthwestAgriculture&ForestUniversity,Yangling712100,ChinaAbstract:Semi-aerobicandanaerobiclandfillingexperimentinstallationswereconstructedtostudythevariationcharacteristicsofpollutantssuchasNH4+-N,NO3--N,NO2--NandTNinlandfillingleachate.TheresultsshowedthattheconcentrationsofNH4+-N,TNinleachateproducedfromsemi-aerobiclandfilltreatmentdeclinedrapidlyafter12months,andreducedto945and986mgPLrespectively.ThereducingrateofNH4+-NconcentrationandTNconcentrationhadreached7912%and7713%respectively.ThevariationrangeofNO3--NandNO2--NconcentrationislargeandNO3--NandNO2--Naccumulatein25~31weeks.However,intheanaerobiclandfilltreatment,theconcentrationsofNH+4-NandTNreducedto2812and2859mgPL,andtheconcentrationofNO3--NandNO2--Ninleachatewaslowandhasnoobviouschange.Theresultsshowedthat,consideringtheconcentrationsofpollutantsinleachate,theeffectofsemi-aerobiclandfilltreatmentwasbetterthantheanaerobiclandfilltreatment.Keywords:municipalsolidwaste;landfill;semi-aerobic;leachate;nitrogen:2007-11-19:2008-02-19:(50508042):(1982-),,,,[e-mail].*,(1973-),,,,,,[e-mail]115@108tPa,8%~10%,90%[1],(),[2].,.,,,,.2060,.,,/0(Semi-AerobicLandfill).,,,214ResearchofEnvironmentalSciencesVol.21,No.4,2008DOI10.13198/j.res.2008.04.159.wangxl.026,,[3].,,[4-7].,390%CO2N2;90%[4].Basri[8]3,CODCr,BOD5NH4+-N.,.Hamidi[9]Matsuto[10],NH4+-N.[5][6],,,NH4+-N.Bowerman[11]2~3,,.[12],,,NH4+-N.,,,[13].,.,,,.11.12,110m@115m@118m().:HDPE,10cm(5cm),(2cm),5cm(5cm),,,HDPE.:,,,.1Fig.1Thesketchoflandfill1.2,1.2,2,5219%,w()4813%,5117%.56(CJPT3039-95),w()5)))6(CTPT96-1999),0.73tPm3.1Table1ComponentofexperimentalmunicipalsolidwasteP%77.6010.800.830.514.540.176.451.3,,1,TN,NH4+-N,NO3--NNO2--N.15821,21,0102m3.Q(NH4+-N),Q(NO3--N),Q(NO2--N)Q(TN)(GB7479-87)(GB7493-87)(GB11894-89).22.1Q(NH4+-N),Q(NH4+-N),Q(NH4+-N)(2).Q(NH4+-N)4557mgPL,7,7,25Q(NH4+-N),36945mgPL,79.3%.,NH4+-N()[13],,,,,.Harmsen[14],Q(BOD5)20mgPL,Q(BOD5).Q(NH4+-N),.[15],Q(NH4+-N)50mgPL.Q(NH4+-N)mgPL,50mgPL.,Q(NH4+-N),,11(,1),,NH4+-N,,Q(NH4+-N).,,Q(NH4+-N).25,Q(NH4+-N),.,,,NH4+-N,,NH4+-N,Q(NH4+-N).NH4+-N2,NH4+-NNO2--NNO3--N;,NO3--NNO2--NN2[16].,,,NH4+-NN2,,Q(NH4+-N)[17].2Q(NH4+-N)Fig.2VariationofNH4+-NmassconcentrationsofleachateinlandfillQ(NH4+-N),(2).15,Q(NH4+-N),4599mgPL2546mgPL;15,Q(NH4+-N),(2);17,Q(NH4+-N),362812mgPL.,Q(NH4+-N),.,NH4+-N[18],,,Q(NH4+-N).,,()NH4+-N,NH4+-N,Q(NH4+-N).NH4+-N,,.2.2Q(NO3--N)32Q(NO3--N).3,15,Q(NO3--N)10~30mgPL;15~31,Q(NO3--N),,85.4mgPL;31,Q(NO3--N)6194mgPL.1594:3Q(NO3--N)Fig.3VariationofNO3--Nmassconcentrationsofleachateinlandfill,,NH4+-N,Q(NH4+-N)(2),NH4+-N,[19].,,,;,(),,Q(NO3--N)[20].15~19,Q(NO3--N),Q(NH4+-N)(2),Q(NO3--N)Q(NH4+-N);25~31,Q(NO3--N),,,Q(NH4+-N)(2),,Q(NO3--N).,,,,,,,,,Q(NO3--N).31,NO3--N,,,NO3--N(N2N2O),Q(NO3--N).Q(NO3--N)18,,,4199mgPL,4518mgPL;18,Q(NO3--N),6~17mgPL.,,,Q(NO3--N),,,,Q(NO3--N).,,,,,,Q(NO3--N)16mgPL.Q(NH4+-N)(2),018%,(12.9%),.(Q(NH4+-N)3000~4000mgPL),Q(NO3--N).,25,Q(NO3--N).2.3Q(NO2--N)4,,18Q(NO2--N),22Q(NO2--N)5mgPL;25~31,Q(NO3--N).NO2--N,,Q(NO2--N);,,Q(NO2--N).,,Q(NO2--N)1mgPL,.,Q(NO3--N)(10mgPL).4,.,,pH,,(FA)[21-22].,[23].,15~30e,NO2--NNO3--N,30eNO2--N.,30e,16021,NO2--N.,pH,,pH8,pH[20].pH8(5),.pH8,,.4Q(NO2--N)Fig.4VariationofNO2--Nmassconcentrationsofleachateinlandfill5pHFig.5VariationofpHinleachateinlandfill2.4Q(TN)6,1~15,Q(TN),4340mgPL1485mgPL,21916mgPL.13Q(TN).36,Q(TN)986mgPL,14~367415mgPL.Q(TN)77.3%.,Q(TN),,1~15,Q(TN)4500mgPL;36,Q(TN)2859mgPL,4916%.,TN,;Q(TN).6Q(TN)Fig.6VariationofTNmassconcentrationsofleachateinlandfill,,.,,,,,Q(NH4+-N),Q(TN).,NH4+-N,Q(TN).3a.,,,Q(NH4+-N),36945mgPL,7913%.Q(NH4+-N),,Q(NH4+-N).b.,Q(NO3--N)15,,8514mgPL;31,Q(NO3--N)6194mgPL;25~31Q(NO3--N),Q(NH4+-N).Q(NO3--N)18,,10mgPL.2Q(NO2--N)Q(NO3--N),.c.Q(TN),Q(TN)1614:,.2,Q(TN)Q(NH4+-N).(References):[1],,.[J].,2002,30(5):35-38.[2],,,.[J].,2004,17(1):77-80.[3]InancB,MatsuiS,IdeS.Propionicacidaccumulationinanaerobicdigestionofcarbohydratesaninvestigationontheroleofhydrogengas[J].WaterSciTechnol,1999,40(1):93-100.[4]LilianaB,LqpzI,AnidoC.HydrolysisconstantandVFAinhibitioninacidogenicphaseofMSWanaerobicdegradation[J].WaterSciTechnol,1997,36(6):479-484.[5],.[J].,2000,20(3):461-464.[6],,.[J].,2000,13(3):6-8.[7],,,.[J].,2004,32(6):741-744.[8]BasriDRH,MohamedAAK,AzizHA.TheeffectivenessofcockleshellsintreatingleachateorganicpollutantspinISWAinternationalsymposiumandexhibitiononwastemanagementinAsianCities[C].HongKong:HongKongConventionandExhibitionCentre,2000:23-25.[9]HamidiAA,MohdSY,MohdNAd.Physico-chemicalremovalofironfromsemi-aerobiclandfllleachatebylimestoneflter[J].WasteManag,2003,20(5):354-376.[10]MatsutoT,TanakaN