UASBAOASBR工艺实现晚期垃圾渗滤液深度除碳脱氮吴莉娜

44120181JOUＲNALOFBEIJINGUNIVEＲSITYOFTECHNOLOGYVol．44No．1Jan．2018UASB-A/O-ASBＲ1111221．1000442．102617upflowanaerobicsludgeblanketUASB－/anoxic/aerobicreactorA/O－anaerobicsequencingbatchreactorASBＲ－UASBA/OASBＲ．ρCODcr、ρNH+4-NρTN2220mg/L、1400～1450mg/L1450～1500mg/L98、7、25mg/L95.6%、98.3%99.5%．chemicaloxygendemandCOD、NH+4-NtotalnitrogenTN、．X703.1A0254－0037201801－0027－06doi10．11936/bjutxb20170600292017-06-13516780571978—、[e-mail]enandCarbonofLandfillLeachatebytheUASB-A/O-ASBＲProcessWULina1TUNannan1WANGJianlong1ZHAOYuanling1KONGJiawen2YANLizhi21．KeyLaboratoryofUrbanStormwaterSystemandWaterEnvironmentMinistryofEducationBeijingUniversityofCivilEngineeringandArchitectureBeijing100044China2．SchoolofMechanicalEngineeringBeijingInstituteofPetrochemicalTechnologyBeijing102617ChinaAbstractInordertoimplementdeepremovalofcarbonandnitrogenfromthematurelandfillleachatethecombinedprocesswhichconsistsofanupflowanaerobicsludgeblanketUASBananoxic/aerobicreactorA/OandanaerobicsequencingbatchreactorASBＲwasusedforlandfillleachatetreatment．BasedonthecouplingpartialnitrificationandanaerobicammoniumoxidationreactionmostoftheorganiccompoundsweredegradedbyUASB．ThepartialnitrificationwasachievedinA/Oreactor．DeepnitrogenremovalwascarriedoutbyanaerobicammoniumoxidationinASBＲ．ＲesultsshowthatwhentheinfluentconcentrationofρCODcrρNH+4-NandρTNare22201400－1450and1450－1500mg/Lthefinaleffluentis987and25mg/Lwithatotalremovalefficienciesof95.6%98.3%and99.5%respectively．EfficientremovalofCODammonianitrogenNH+4-NandtotalnitrogenTNisachievedbytheprocesswithouttheneedofanyexternalcarbonsource．Keywordsmaturelandfillleachatenitrogenremovalpartialnitrificationanaerobicammoniumoxidation2018、－1-3．4-6．78716．、mg/L1000～2000mg/L．3000～6000mg/L3000～6000mg/L22.86．．500～1000mg/L22～35/m38“”．9－NH+4-NTN99.5%97.0%．anaerobicammoniumoxidationANAMMOXNH+4-NNO－2-NN262.5%10-12．．NO－2-N．NH+4-NfreeammoniaFAfree-nitriteFNAnitriteoxidizingbacteriaNOBammonia-oxidizingbacteriaAOB13-15．upflowanaerobicsludgeblanketUASB－/anoxic/aerobicA/O－anaerobicsequencingbatchreactorASBＲ－．11.1．UASBA/ONO－2-NNO－3-NUASBUASBA/OA/ONH+4-NNO－2-NA/OASBＲ．ASBＲA/ONH+4-NNO－2-N1．2A/OUASB300%A/O100%．．UASB、A/OASBＲ8.25、15.00、10.00L．50.00L．UASB30～35℃ASBＲASBＲ30～32℃．A/O101A12～10．dissolvedoxygenDO0.3～1.0mg/L．821UASB-A/O-ASBＲ1UASB-A/O-SBＲFig．1FlowdiagramoftheUASB-A/O-SBＲsystem100d3.0L/d．3500～4500mg/L．rawUASBu1eA/O1A1O2～O10c1ASBＲs1ASBＲs2．1.210．COD2500～3000mg/LNH+4-N1400～1450mg/LTN1450～1500mg/L2～3NO－x-N1～15mg/LpH7.5～8.5．1.3COD、NH+4-N、NO－2-N、NO－3-NMLSS161．1Table1ItemsandmethodsCODNH+4-NNO－2-NN-1--NO－3-NDOWTWDO330ipHWTWpH330iTNTN/TOCMultiN/C3000AnaltikjenaAGGermany．22.12．22UASB-A/O-ASBＲTNNH+4-NFig．2AnalysisaboutvariationoftheTNandNH+4-NinUASB-A/O-ASBＲsystemTNNH+4-N1450～1500mg/LUASBTNNH+4-N922018UASB．UASBNH+4-N400mg/L．UASBA/OA/O1A1A1NH+4-N250mg/LA/OO2～O10NH+4-NFAdissolvedoxygenDO17-18O2～O10NH+4-NNO－2-NNO－3-N19-20．O10A/OTNNH+4-N272、125mg/L．3NH+4-NNO－2-N、NO－3-N129、18mg/LNO－2-N87.8%．3UASB-A/O-ASBＲNO－2-NNO－3-NFig．3AnalysisaboutvariationoftheNO－2-NandNO－3-NinUASB-A/O-ASBＲsystemA/OTN272mg/LA/O．SBＲASBＲ．ASBＲNH+4-N58mg/LNO－2-N、NO－3-N65、9mg/L．ASBＲ200mg/L21-22ASBＲNH+4-NNO－2-N．372hASBＲTN、NH+4-N、NO－2-NNO－3-N25、7、315mg/L．UASB-A/O-ASBＲ－．TNNH+4-N98.3%99.5%TN．－．2.24．COD2220mg/LUASBUASBCOD500mg/LUASB77.8%UASB．UASB．4UASB-A/O-ASBＲFig．4AnalysisaboutvariationoftheorganicmatterconcentrationinUASB-A/O-ASBＲsystemA/OA1031UASB-A/O-ASBＲA1COD375mg/L．O2～O10COD．A/OO10COD323mg/L．A/OCOD2.3%A/ONH+4-NNO－2-NASBＲ．A/OASBＲ．4ASBＲCOD150mg/LASBＲNH+4-NNO－2-N2、3．ASBＲASBＲ．ASBＲ98mg/L．UASB-A/O-ASBＲ－、95.6%、98.3%99.5%．31UASB-A/O-ASBＲ－、NH+4-NTN95.6%、98.3%99.5%．COD、NH+4-NTN98、7、25mg/L．2A/O87.8%NO－2-NASBＲ．3ASBＲ－NH+4-NNO－2-NASBＲ．1HEＲMOSIILLAD．Optimizingthetreatmentoflandfillleachatebyconventionalfentonandphoto-fentonprocessesJ．SciTotalEnviron．200940743473-3481．2．CANONJ．20166793910-3917．ZHANGFZWANGSYPENGYZetal．Start-upandcharacterizationofnitrogenandCODremovalfrommaturelandfillleachateviaCANONprocessJ．CIESCJournal20166793910-3917．inChinese3．J．2015662746-752．LIZMWANGSYMIAOLetal．Nitrogenremovalfrommedium-agelandfillleachateviaanaerobicaerobicanoxicprocessinSBＲJ．CIESCJournal2015662746-752．inChinese4HULZENGGMCHENGQetal．Treatmentoflandfillleachateusingimmobilizedphanerochaetechrysosporiumloadedwithnitrogen-dopedTiO2nanoparticlesJ．JHazardMater2016301106-118．5．J．2008285817-824．PENGYZSUNHWYANGQ．ThebiochemicalreactionmechanismandkineticsofpartialnitrificationJ．ActaScientiaeCirumstantiae2008285817-824．inChinese6．J．2014445999-1004．MIAOLWANGKWANGSYetal．EffectoforganicsonanammoxprocessfortreatmentoflandfillleachateJ．JournalofSoutheastUniversityNaturalScienceEdition2014445999-1004．inChinese7．J．200556112183-2188．YANGZQZHOUSQ．InvestigationandanalysisofhazardousconstituentsinlandfillleachatefromDatianshanlandfillinGuangzhouJ．CIESCJournal200556112183-2188．inChinese8．J．2016321456-58．ＲENHYHANLKANGYLetal．ProcessdesignandanalysisofdifficultiesfortreatmentoflandfillleachateJ．ChinaWaterandWastewater2016321456-58．in132018Chinese9．J．2000261014-18．CHENS．Pilotplantresearchontre