城市垃圾渗滤液膜生物法处理效果

:2004-07-07:2004-10-10:(02JK136);(GG200275).:(1977-),,,:.1,1,2,2(1.,350002;2.,710055):,(MBR).,MBR.25-112h,(COD)NH+42N0.32-2.220.14-0.50kgm-3d-1,MBRCODNH+42N81.2%-88.2%99%;C/N5.2,300%,N75.2%-82.2%,C/N,y=16.129x-0.6866(R2=0.9884).:;;:X703.1:A:167125470(2005)0420518205TreatmentofurbanlandfillleachatewithmembranebiologicalmethodCUIXi2qin1,LINJun2feng1,SHENHuan2,JINQi2ting2(1.CollegeofResouresandEnvironment,FujianAgricultureandForestryUniversity,Fuzhou,Fujian350002,China;2.CollegeofEnvironmentandMunicipalEngineering,XianUniversityofArchitectureandTechnology,Xian,Shaanxi710055,China)Abstract:Theremovaleffectofcontaminationwasinvestigatedbytreatingtheurbanlandfillleachatewithamembranebioreactor.Experimentalresultsshowedthatmembranebioreator(MBR)hadhighefficiencyincontaminationremoval.Whenvolumeloadingratesofchemicaloxygendemand(COD)andNH+42Nwerebetween0.32-2.22kgm-3d-1and0.14-0.50kgm-3d-1respectively,theMBRhadremovalefficienciesofCODandNH+42Nrangingbetween81.2%-88.2%andover99%respectivelyathydraulicretentiontime(HRT)between25hand112h.WhenC/Nandcircumfluencerateofmixedliquorwere5.2and300%respectively,thesystemhadremovalratesoftotalnitrogenrangingbetween75.2%and82.2%,andC/Nhadlinearrelationwiththeremovalratesoftotalnitrogen,itsregressingequationwasy=16.129x-0.6866(R2=0.9884).Keywords:landfillleachate;membranebioreactor;contamination,[1-4],,,.[5-8],;,.,.,[6-8],,;.,,,NH+42N,.(MBR)[9],,,(HRT),.,MBRNH+42N.()344JournalofFujianAgricultureandForestryUniversity(NaturalScienceEdition)2005121MBRFig.1Experimentalset2upofmembranebioreactor11.1MBR,,0.18m,0.6m2.()3,338L.,,3/2.,,HRT,16.2kPa.,,300%.1.1.2.20033-9,3,1.1(2003)Table1WaterqualityoftheleachatefromJiangcungoumunicipalsolidwastelandfillsiteinXian(2003)mgL-15mgL-15pH(NH+42N)mgL-1mgL-1mgL-131911088-145938750.00.608.028261500012356175280-69561958.00.328.226882230010148293108877.70.288.223572400011511.321)Table2MonitoringindexesandanalysismeansNH+42NNO-32NNO-22NN-1)[10].2.22.1MBR(COD)2.().2,140d,COD80%-90%,COD2.3%-18.3%,MBRCOD.,COD14500mgL-1,5(BOD5)COD0.32-0.60,,;,(10.4gL-1),;[9],.HRT72h,,COD3.39154:,COD0.14kgm-3d-12.22kgm-3d-1(COD800mgL-16200mgL-1),COD57%80%-85%,COD.,COD.,(,),COD.2CODFig.2Variationofremovalratesofchemicaloxygendemandwithtime3CODFig.3VariationofremovalratesofchemicaloxygendemandwithvolumeloadingratesCOD1.9kgm-3d-1,CODHRT4.4,HRT25h112h,COD,83%-88%.MBRCOD;COD,,,HRT,.2.2MBRNpH6.8-7.52mgL-123-33,,NaHCO3,MBRNH+42N5.4HRTCODFig.4Variationofremovalratesofchemicaloxygendemandwithhydraulicretentiontime5NH+42NFig.5VariationofremovalratesofNH+42Nwithtime5,165d,NH+42N140-1650mgL-1,1,MBRNH+42N99%(NH+42N13025()34mgL-1),91NH+42N247.1mgL-11643.8mgL-1,,NH+42N99.5%99.3%.NH+42N.:(1)MBR,;(2),,,;(3)MBR[2],,.NH+42N0.45kgm-3d-1,NH+42NHRT6.6,HRT64h14h,NH+42N99%,.HRTNH+42N,MBRNH+42N.pH8.0-8.523-33,N7.7:100d,300%,C/N5.2,1,N70%,N;55-81,N75.2%-82.2%;,,C/N5.22.0,CN30.9%.8C/NNFig.8VariationofremovalratesoftotalnitrogenwithC/NC/NN,300%C/NNNO-x2N(NO-32NNO-22N).(8),C/N2.05.2,N30.9%81.4%,NO-x2N542.1mgL-1100.3mgL-1.,NNO-x2NC/N,y=16.129x-0.6866(R2=0.9884)y=-133.65x+791.56(R2=0.9994).,C/N,,NO-x2N,N,,1254:.3(1)MBR.140d,COD80%-90%;COD1.90kgm-3d-1HRT25h,COD86.2%.(2)MBRNH+42NN.NH+42N247.1-1643.8mgL-1,NH+42N99%,.(3)C/N5.2300%,N75.2%-82.2%;,C/N5.22.0,N,81.4%30.9%.(4)NNO-x2NC/N,y=16.129x-0.6866(R2=0.9884)y=-133.65x+791.56(R2=0.9994).4(1),MBR,,MBR.(2)MBRNH+42N,NH+42NC/NN.:[1].[J].,1992,(2):11-14.[2].[J].,1997,10(1):29-33.[3].[J].,1989,10(3):89-92.[4],.[J].,2001,(9):19-21.[5].[J].,1998,(2):6-9.[6],.[J].,2001,(5):22-23.[7],.[J].,2001,23(4):187-189.[8],.[J].,2001,16(3):23-25.[9],.[M].:,2002.1-392.[10].[M].:,2002.211-281.(:)225()34