UASB1AOUASB2深度处理垃圾渗滤液吴莉娜

28820158ＲesearchofEnvironmentalSciencesVol．28No．8Aug．2015．UASB1-AO-UASB2J．20152881331-1336．WULinaSHIXiaoZHANGJieetal．AdvancedtreatmentoflandfillleachateusingtheUASB1-AO-UASB2J．ＲesearchofEnvironmentalSciences201[e-mail]．*[e-mail]1-AO-UASB21212324*1．1026172．1500903．1000124．100124TN、UASB1-AO-UASB2++NH4+-NTNAO．V∶V1∶5ρCODCr、ρTNρNH4+-N1700～1800、660～700650～680mgLCODCr、TNNH4+-N95%ρTN38mgLGB16889—2008《》．FAFNANOBNO2－-N80%NO2－-NNO3－-NUASB2．TN．X7031001-6929201508-1331-06ADOI10.13198j．issn．1001-6929．2015．08．22AdvancedTreatmentofLandfillLeachateUsingtheUASB1-AO-UASB2WULina12SHIXiao1ZHANGJie2YANGTianxue3PENGYongzhen24*1．BeijingInstituteofPetrochemicalTechnologyBeijing102617China2．StateKeyLaboratoryofUrbanWaterＲesourceandEnvironmentSchoolofMunicipalandEnvironmentalEngineeringHarbinInstituteofTechnologyHarbin150090China3．LaboratoryofWaterSystemsEngineeringChineseＲesearchAcademyofEnvironmentalSciencesBeijing100012China4．KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentＲecoveryEngineeringBeijingUniversityofTechnologyBeijing100124ChinaAbstractAcombinedprocessofastageupflowanaerobicsludgeblanketUASB1ananoxicaerobicAOreactorandarearUASBUASB2wasusedtotreatactuallandfillleachate．Thisprocessonlyusedtheresidualorganicmatterandinternalcarbonasthecarbonsourcetocompletelyremovetheorganicmattertotalnitrogenandammonianitrogen．Thefactorsaffectingthepartialnitrificationwerealsoinvestigated．Theinfluentleachateofthesystemwasmixedbyrawleachateanddomesticwastewaterinaratioof15.Theorganicmattertotalnitrogenandammonianitrogenoftheinfluentleachateofthesystemwereabout1700-1800660-700and650-680mgLrespectively．Theexperimentalresultsshowedthattheorganicmattertotalnitrogenandammonianitrogenremovalefficiencieswerehigherthan95%andthetotalnitrogenconcentrationoffinaleffluentwasabout38mgLwhichwaslessthantherequirementofthelatestnationalemissionstandard．InadditionthecombinedinhibitionactionoftheFAfreeammoniaandFNAfreenitriteacidtotheNOBwasthemajorreasonforthestablepartialnitrificationhigherthan80%ofthenitriteaccumulationratiointheAOreactor．OnthewholetheintegrativeprocesscouldcompletelyremovethenitriteandnitrateproducedbythenitrificationintheaerobiczoneoftheAOreactorandrealizeadvancednitrogenremoval．28KeywordslandfillleachatepartialnitrificationUASBAOfreeammoniafreenitriteacid2009NH4+-N3.22×104t．、ρNH4+-N、CN、、1-4．SBＲsequencingbatchreactor、、UASBup-flowanaerobicsludgeblanket5-9．ρNH4+-N10-12ρCODCrρTNGB16889—2008《》13．〔ρCODCr500～1000mgL〕TN14．40%、25%15-17TN．．18ρNO3－-N．UASB1-AO-UASB2++．11.1UASB1-AO-UASB21.UASB1UASB24.25LAO15.00L101．UASB1NOx－-NUASB1．AOAONH4+-N．UASB2NOx－-NTN．1UASB1-AO-UASB2Fig.1FlowdiagramoftheUASB1-AO-UASB2systemTN+CODCr．V∶V1∶5．23318UASB1-AO-UASB2ρCODCr、ρNH4+-N、ρTP、ρNOx－-N、ρTN8500～10000、3000～3400、9.0～15.0、0.5～15.0、3100～3500mgLpH7.50～8.50CN〔ρCODCrρTN〕2.6～2.9．ρCODCr、ρNH4+-N、ρTP、ρNOx－-N、ρTN300～380、30～40、4.1～5.9、0.5～15.0、40～46mgL．ρCODCr、ρNH4+-N、ρTN1700～1800、650～680660～700mgL．ALＲNH4+-N0.90kgm3·d0.20kgm3·d．1.290d4.50Ld．UASB1300%AO．UASB1UASB235℃．AO22℃ρDO0.50～4.00mgL．ρMLSS3000～4500mgL．UASB1UASB2HＲT0.94dAOHＲT3.33d．raw、u1eUASB1、An1AO1、O2～O102～10O10AO、c1、u2iUASB2、u2eUASB2．1.319ρCODCr、ρNH4+-N、ρNO2－-NρNO3－-N．ρTNTNTOCMultiNC3000．ρDOWTWDO330i．pH、pHWTWpH340i．ρFAFAρFNAFNA20ρ()FA=ρNH4+()-N×10pHexp6334273+T+10pH1ρ()FNA=ρNO2－()-Nexp－2300273+T×10pH2T℃．20.10gFastDNASPINKitforSoilDNAQBIOgeneInc．CarlsbadCADNA．hzsBHSBeta396FHSBeta742Ｒ21-23．PCＲ50μL10×buffer5μLdNTP2.5mmolL4μL、10.0mmolL1μLBSA0.5μLTaq2.5U0.25μLDNA2μLddH2O50μL．PCＲ24．22.12u1eρNH4+-N190mgLUASB1、．AOAn1ρNH4+-N90mgLO10ρNH4+-N25mgLρNO2－-NρNO3－-N120.028.0mgLNO2－-N82%．NO2－-N50%AO．UASB2OρTN38mgL40mgLGB16889—2008．1—raw2—u1e3—An14—O35—O56—O77—O88—O109—c110—u2i11—u2e．2Fig.2Variationofconcentrationsofnitrogeninthesystem3ρCODCr1700mgL．UASB1CODCr10.27kgm3·d1.80kgm3·d．UASB1u1eρCODCr440mgLAOρCODCr370～380mgLCODCr0.11kgm3·d．ρCODCrNOx－-N．UASB2CODCr333128．1—raw2—u1e3—An14—O35—O56—O77—O108—c19—u2i10—u2e．3ρCODCrFig.3VariationofconcentrationofCODCrinthesystemPochana251mgTN3.5～4.5mgCODCrSUN261mgTN2.5～2.8mgCODCr．UASB2ρTN132mgL38mgL〔ρCODCr〕260～265mgL255mgL．UASB2．UASB2ρNO2－-NρNO3－-N20mgLρTN．UASB2PCＲUASB24.05×106g－1UASB2UASB2．UASB2NOx－-NTNNH4+-NTN、．UASB1-AO-UASB2CODCr、NH4+-N、TN95%、97%95%．NO3－-NCN4.0NO2－-NCN2.527ρNH4+-N28．NOx－-NTN．2.3pHpH4.UASB1pH8.018.13An1pH8.00.AOpHO27.94O87.228pH“”29pH7.22pH7.3210．UASB2pHpH7.80.AONH4+-N．2.1NH4+-NNO2－-N82%．pHNH4+-N．1—raw2—u1e3—An14—O25—O36—O57—O78—O89—O1010—c111—u2i12—u2e．4pHFig.4VariationofpHinthesystem2.4FAFNA5AOOρNH4+-NρFA5.0mgL100.2mgL．88～10ρFA0.2mgLAnthonisen20NOBρFA0.1mgLNOB．ρFNA7～10ρFNA0.013～0.015mgLVadivelu30NOBρFNA43318UASB1-AO-UASB20.011mgL7～10FNANOB．FAFNANOBAONOBAOBAO80%NO2－-N．AOOρDO0.50～4.00mgL．ρNH4+-NAOρNH4+-NρFANOBAONH4+-N、NO2－-NρFApHρFNANOB．ρNH4+-NρDONH4+-N、．1—An12—O33—O54—O75—O10.5AOρFAρFNAFig.5VariationofconcentrationsofFAandFNAinAOreactor3aV∶V1∶5ρCODCr、ρNH4+-N、ρTN1700～1800、650～680660～700mgLUASB1-AO-UAS