氨吹脱投炭SBR处理垃圾渗滤液

第37卷第5期2007年9月东南大学学报(自然科学版)JOURNALOFSOUTHEASTUNIVERSITY(NaturalScienceEdition)Vol137No15Sep.t2007/SBR蒋彬吴浩汀(,210096):以南京市某生活垃圾填埋场渗滤液为研究对象,采用氨吹脱/投炭SBR/混凝沉淀工艺处理小型生活垃圾填埋场渗滤液.试验中研究了氨吹脱单元中pH值气液比对氨氮去除的影响,探讨了投炭SBR单元中粉末活性炭浓度对COD去除率,进水氨氮浓度对氨氮及COD去除率的影响.全流程试验结果表明:该工艺对CODBOD5氨氮的去除率分别为8919%,9410%,9817%,出水水质达到了生活垃圾填埋场污染控制标准(GB16889)1997)的级排放标准.两级氨吹脱与投炭SBR组合工艺处理低有机物浓度的小型生活垃圾填埋场渗滤液,在技术上是可行的.:垃圾渗滤液;氨吹脱;粉末活性炭;SBR:X703.1:A:1001-0505(2007)05-0822-04Ammoniastripping/powderedactivatedcarbon-SBRprocessfortreatmentoflandfillleachateJiangBinWuHaoting(SchoolofEnergyandEnvironmen,tSoutheastUniversity,Nanjing210096,China)Abstract:Processofammoniastripping,powderedactivatedcarbon-SBRandcoagulation-sedimen-tationwasappliedtotheleachatefromasmal-lscaledomesticlandfillinNanjing.ImpactofpHandratioofgastoliquidonNH3-Nremovalratewasstudiedinammoniastrippinguni,tandtheneffectofpowderedactivatedcarbondosageonCOD(chemicaloxygendemard)removalandeffectofam-moniaconcentrationofSBR(sequencingbatchreactor)inflowonammoniaandCODremovalwereapproachedinbiologicaltreatmentuni.tResultsofthisprocessshowthattotalremovalrateofCOD,BOD5andNH4+-Nisrespectively8919%,9410%,and9817%,andtheeffluentqualityreaches-classcriteriaspecifiedinDomesticLandfillPollutionControlStandard(GB16889)1997).Technically,itisfeasibletotreatsmal-lscaledomesticlandfillleachatewithlowconcentrationofor-ganicpollutantsbyusingprocesscomposedoftwo-stageammoniastrippingandpowderedactivatedcarbon-SBR.Keywords:landfillleachate;ammoniastripping;powderedactivatedcarbon;sequencingbatchreactor:2007-04-06.:(1972)),,;(),,,[e-mail].,,.[1-4].,,[5].Uygur[6]Kargi[7],SBRCOD.,/SBR,,.1111,SBR/.3m,215m,50mm,9~25e.SBR200,200,500mm,15L.SBR,20e?1e.1121,2.(GB16889)1997).1mg/LQ(SS)Q(BOD5)Q(COD)Q()400~650360~5002500~34001200~1700200150300252CODBOD5DOpHSS221121111pH值对氨氮去除率的影响NaOHpH,1.pH,.pH9101110,,3516%8319%;pH1110.pH018~114.(NH4+),:NH3+H2ONH4++OH-,pH.pH710NH4+,pH,111090%,pH.pH.,pH1110.,pH1110,,SS55617mg/L33012mg/L,10%;COD1110%,334610mg/L297710mg/L;1pH,.,pH1110,,COD.,pH,COD,SS,,,,.21112气液比对氨氮去除率的影响QLpH,QG(2).()QG/QL1181m3/m33478m3/m3,,5411%8415%;QG/QL4638m3/m3,8718%,QG/QL3478~4638m3/m3,;QG/QL5217m3/m3,,,,.80%,QG/QL3500m3/m3.2212SBR21211粉末活性炭浓度对COD去除率的影响,14h.823第5期蒋彬,等:氨吹脱/投炭SBR处理垃圾渗滤液,17h,1h,14h,115h,015h,3.3COD3,600~2000mg/L,COD8010%~8617%,COD.1200mg/L,COD,COD..,.,,(),COD.,112~114g/L.,,SBRCODSBR10%~15%.:,,;,,,,[6,8].,SBR.,[8],BOD5/COD,,-.(4),;,-SBRSBR.4212.2氨氮浓度对氨氮及COD去除率的影响,[9],SBR,5.5COD5,,,COD8412%7518%,,8210mg/L6919%,2417mg/L.15610mg/L,COD.,.824东南大学学报(自然科学版)第37卷8210mg/L,,;8210mg/L,,.8210mg/L,,,,COD8210mg/L.,8210mg/L,25mg/L.213,SBR500215mg/LPAM,3.3mg#L-1CODBOD5/%/%/%2886182500101314331113031081513361977199416SBR2500103658514303102093147719187619365292201020.020018180,CODBOD58919%,9410%,9817%,(GB16889)1997);38040.(GC-MS),60,,.,.31)/SBR/,.CODBOD58919%,9410%,9817%,(GB16889)1997).516,[10].2),pH11.0,QG/QL3500m3/m3.3)SBR112~114g/L.SBR,8210mg/L.(References)[1]TrebouetD,SchlumpfJP,JaouenP,eta.lStabilizedlandfillleachatetreatmentbycombinedphysicochemicalnanofiltrationprocesses[J].WaterResearch,2001,35(12):2935-2942.[2]MarttinenSK,KettunenRH,SormunenKM,eta.lScreeningofphysica-lchemicalmethodsforremovaloforganicmateria,lnitrogenandtoxicityfromlowstrengthlandfillleachates[J].Chemosphere,2002,46(6):851-858.[3]AgdagOsmanNur,iSponzaDeliaTeresa.Anaerobic/aerobictreatmentofmunicipallandfillleachateinse-quentialtwo-stageup-flowanaerobicsludgeblanketre-actor(UASB)/completelystirredtankreactor(CSTR)systems[J].ProcessBiochemistry,2005,40(2):895-902.[4]KimSM,GeissenSU,VogelpohlA.LandfillleachatetreatmentbyaphotoassistedFentonreaction[J].WaterScienceandTechnology,1997,35(4):239-248.[5]OzturkIzze,tAltinbasMahmu,tKoyuncuIsmai,leta.lAdvancedphysico-chemicaltreatmentexperiencesonyoungmunicipallandfillleachates[J].WasteManage-ment,2003,23(5):441-446.[6]UygurAhme,tKargiFikre.tBiologicalnutrientremovalfrompre-treatedlandfillleachateinasequencingbatchreactor[J].JournalofEnvironmentalManagement,2004,71(1):9-14.[7]KargiFikre,tPamukogluMYunus.Repeatedfed-batchbiologicaltreatmentofpre-treatedlandfillleachatebypowderedactivatedcarbonaddition[J].EnzymeandMicrobialTechnology,2004,34(5):422-428.[8]ImaiiA,OnumaK,InamoriY,eta.lBiodegradationandadsorptioninrefractoryleachatetreatmentbytheb-iologicalactivatedcarbonfluidizedbedprocess[J].Wa-terResearch,1995,29(2):687-694.[9],.[J].,1998,20(6):1-4.ZhaoQingliang,LiXiangzhong.Inhibitionofmicrobialactivitybyammonia-nitrogeninlandfillleachate[J].EnvironmentalPollution&Control,1998,20(6):1-4.(inChinese)[10],,,.[J].,2007,23(12):47-50.WangWeibin,JiMin,ChenLingfeng,eta.lUpgra-dingdesignoflandfillleachatetreatmentproject[J].ChinaWaterandWastewater,2007,23(12):47-50.(inChinese)825第5期蒋彬,等:氨吹脱/投炭SBR处理垃圾渗滤液