寒冷地区垃圾渗滤液的回灌处理

,,,,(,150090):,:87.05%,(CODSSNH+4-N,pH),:;;;:X505:A:1000-4602(2004)10-0006-04LandfillLeachateRecirculationTreatmentProcessinColdAreasZHAOQing2liang,LIUXue2yan,LIUZhi2gang,QIXu2dong,QIUWei(SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China)Abstract:Along2termmonitoringwasconductedbyusingtwodisposalsofleachaterecirculationandnon2recirculationfromoutdoorsimulationrefusesanitarylandfillinHarbin.Resultshowsthatifrecirculationisusedtheleachatevolumecanbereducedby87.05%sothatthewaterqualitycanbeimproveddramaticallywithindicationsoflowerconcentrationofCOD,SS,NH+4-NandhigherpHlevel.Thereforefurthertreatmentbecomeseasy.Keywords:coldareas;sanitarylandfill;leachate;recirculation:(GB01C204-02),[12],,,,,,[34]1111=750mm700mm1000mm,1#,;2#,1112,162004Vol.20CHINAWATER&WASTEWATERNo.10©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.___________________________________________________________________(kg)(%)4928248836691.591.56139.2600kg/m3[5],10mm;,50mm1#2#1#2#,,100mL,1#,2#4200mL/d[8mm/(m2d)]2#[5],4200mL22112003526,65528,115,162d2,,(10),300mL;10,11,1113,4080mL/d;(30288),,,[6],,,1#136117mL,1.6010-3m3/(m2d);2#17622mL,2.0710-4m3/(m2d),1#12.95%,,,,,,2Fig.2Variationcurveofleachateyieldwithtime212pH3,pH5.497.43,,,,pH10,,pH,pH,,,,,2#pH7372004Vol.20No.10©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线____________________________________________________________________(23.3mm),,29SS93SS88(11.7mm),,,SS(150),,,602#SSCOD5,,,,,,COD,,,,,COD215CODFig.5VariationcurveofleachateCODconcentrationwithtime,,,5,,1#COD30058mg/L764012mg/L,1045082mg/L,COD21(75160mg/L),COD5,1#2#COD,,1#21(75160mg/L)16251709mg/L,166mg/(Ld)2#16(69251mg/L)1629868mg/L,407mg/(Ld),1#2.45,2#COD,,,82004Vol.20No.10©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线____________________________________________________________________:[1]TatsiAA,ZoubouliSAI.AfieldinvestigationofthequantityandqualityofleachatefromamunicipalsolidwastelandfillinaMediterraneanclimate[J].AdvancesinEnvironmentalRe2search,2002,6(3):207-219.[2]Al-YaqoutAF,HamodaMF.Evaluationoflandfillleachateinaridclimateacasestudy[J].EnvironmentInternational,2003,29(5):593-600.[3]LawsonTA.Leachaterecirculation:alandfillmanagementtool[J].ProceedingsoftheInstituteofWasteManagement,1997,(3):9-13.[4]WarithM.Bioreactorlandfills:experimentalandfieldresults[J].WasteManagement,2001,22(1):7-17.[5]ReinhartDR,TownsendTG.LandfillBioreactorDesignandOperation[M].Florida:LewisPublishers,1998.[6]SanI,OnayTT.Impactofvariousleachaterecirculationregimesonmunicipalsolidwastedegradation[J].JournalofHazardousMaterials,2001,87(13):259-271.:(1962-),,,,,:[phone]E-mail:[e-mail]:2004-06-11::92004Vol.20No.10©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线____________________________________________________________________