您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 质量控制/管理 > 固定化微生物法去除模拟渗滤液中氨氮的研究温丽丽
59Vol.5No.920119ChineseJournalofEnvironmentalEngineeringSep.20111234341111.1000122.1000123.1008714.100871I-BAFpHDO。97.1%99.9%。pH7.5~8.5DO4.0mg/L96.2%94.3%。I-BAF--。pHX703A1673-9108201109-2060-06RemovalofammonianitrogenfromasyntheticlandfillleachatebyimmobilizedmicroorganismsystemWenLili12NiJinren34YeZhengfang34SongYonghui1YuanPeng1PengJianfeng11.ChineseResearchAcademyofEnvironmentalSciencesBeijing100012China2.ChineseAcademyforEnvironmentalPlanningBeijing100012China3.DepartmentofEnvironmentalEngineeringPekingUniversityBeijing100871China4.TheKeyLaboratoryofWaterandSedimentSciencesMOEBeijing100871ChinaAbstractAbiologicaltreatmentwithimmobilizedmicroorganismwassuccessfullydevelopedinabiologicalaeratedfilterI-BAFtotreatsyntheticlandfillleachate.TheregulatoryeffectsofpHanddissolvedoxygenDOonnitrogenremovalwereinvestigated.ItwasdemonstratedthattheI-BAFsystemstartedupquicklyanditwasveryefficientforCODandnitrogenremovalfromsyntheticlandfillleachatewithefficienciesof97.1%and99.9%.WhenpHandDOwerecontrolledat7.5~8.5and4.0mg/LrespectivelymaximumoftotalnitrogenremovalrateandSNDarrivedat94.3%and96.2%respectivelywithlittleaccumulationofNO-2-NandNO-3-N.Itisattributedthatthemacro-porouscarriersusedinthissystemprovideananaerobic-anoxic-aerobicmicro-environmentforaerobicoxidizingbacterianitrifiersanddenitrifierssimultaneouslyoccurinthesamesystem.KeywordsimmobilizedmicroorganismbiologicalaeratedfilternitrogenremovalpHDO2010-03-182010-08-161978~。E-mailwenll@caep.org.cn、、、1-4。35。67。。、38。、910。、。ANAMMOXNO-3NO-2NH+4、NO-3NO-2N211、9。12。pHDO。FPU。、—OH、—NH2、—COOH、—CH2—CHOCH2。、、、13pH14。B3500.745~140g/L。11.11I-BAF2L。FPU。FPU1g/cm312~35g/m380~120m2/g0.3~0.7mm98%3000%。1I-BAFFig.1SchematicdiagramofI-BAFsystem。1.2、/、MgCl2400mg/LKCl400mg/LNaS2·9H2O375mg/LNH42HPO480mg/LFeCl2·4H2O40mg/LCaCl2·2H2O25mg/LCoCl2·6H2O2.5mg/LKI2.5mg/LMnCl2·6H2O0.5mg/LKH2PO41000mg/LZnCl20.5mg/LNaMoO30.5mg/LH3BO30.5mg/L。NH4Cl、NaHCO3、/。1.3COD、NH+4-N、NO-3-N、NO-2-N、pH15。DOC-200HANNA。ESEMenvironmentalscanelectronicmicroscopeFEIQUANTA200F。22.1I-BAF、B350B110CODNH+4-N1000mg/L200mg/L。3d3g。HRT48hDO4mg/LpH7.5。0.5g。CODNH+4-N1000mg/L200mg/L5000mg/L1000mg/L。2Fig.2ESEMcomparisonofcarrierswithandwithoutimmobilizedmicroorganisms2a2b2c16025。、。34I-BAFCODNH+4-N200mg/L1.0mg/L97.1%99.9%NH+4-NCOD。3NO-2-NNO-3-NSND。EffSND16EffSND=1-NO-xr-NNH+4o[]-N×100%1NO-xr-NNO-2-NNO-3-Nmg/LNH+4o-Nmg/L。3Fig.3Timecoursesofinfluentandeffluentconcentrationsduringstart-upandstabilization4Fig.4Timecoursesofeffluentefficienciesduringstart-upandstabilization495%93.2%。0.5%I-BAF。I-BAFpHDONH+4-N。2.2pHI-BAFpH3pH。pHI-BAF。pH7.5~8.017。pHpH。pH7.5、18。pHpH7.3N27.3N2O19。。pH。DO0.5、2、46mg/LpHpH6.5、7.5、8.59.5。24h28℃COD1kgNH+4-N/m3·d5kgCOD/m3·d。5pH6.57.5、SNDpH。pH7.58.5±2%。pH9.5、260295pHFig.5EffectofpHonnitrogenremovalefficiencyinsystemSND。I-BAFpH7.5~8.5。6DO4.0mg/LpHFig.6EffectofpHonnitrogenbalanceofsystemunderDOof4mg/L6pHpH8.593%。pH7.5~8.5。pH9.550%24%。9.5pH。pH。NH+4/NH3pH。pH。。pH7.5pHFA20。pH8.5FA220mg/L。6FA。FA10~150mg/L21。pH9.5FA837mg/LSND。I-BAFpH7.5~8.5。FA。。2.3DOI-BAFDO22。DO。I-BAF。、-23。。pH6.5、7.5、8.59.5DODO0.5、2、46mg/L。24h28℃COD1kgNH+4-N/m3·d5kgCOD/36025m3·d。、SNDpHDOpH7.5DO7。0.5mg/L50%90%45.2%。。2mg/L96.8%92.7%95.8%。。30mg/LGB-16889-1997。7DOpH=7.5Fig.7EffectofDOonnitrogenremovalefficiencyinsystempH=7.5DO2mg/L。DO--/。DO4mg/L99.65%6.5mg/L--SND94.3%。DO6mg/LDODO4mg/L。DO-300mg/LSND68.4%。I-BAF。DO4mg/L。I-BAFDO。3I-BAFpHDO1I-BAFCOD30~40d90%CODNH+4-N97.1%99.9%。2pH7.5~8.5DO4mg/L96.2%94.3%。3I-BAF--。1BenfenatiE.FacchiniG.PierucciP.etal.Identifica-tionoforganiccontaminantsinleachatesfromindustrialwastelandfills.TrendsinAnalyticalChemistry1996158305-3102ZhaoY.C.LiuJ.Y.HuangR.H.etal.Long-termmonitoringandpredictionforleachateconcentrationsinShangHairefuselandfill.WaterAirandSoilPollution20001223-4281-297460293..2004122148-160NiJ.R.ShaoS.Y.YeZ.F.Thecharacteristicsandtreatmenttechnologyoflandfillleachate.JournalofBasicScienceandEngineering2004122148-160inChi-nese4..20045SpagniA.andMarsili-LibelliS.Nitrogenremovalviani-triteinasequencingbatchreactortreatingsanitarylandfillleachate.BioresourceTechnology20091002609-6146WenX.L.XiaL.J.ZhaoD.etal.Citylandfillleachateeffectsongroundwaterpollution.Water-SavingAgricultureandSustainableUseofWaterandLandRe-sources.Wuhan1and2Proceedings2004.977-98310347CalliB.MertogluB.andInancB.Landfillleachateman-agementinIstanbulApplicationsandalternatives.Chemo-sphere.2005596819-8298WenL.L.NiJ.R.SongY.H.Optimizationoftheaerobicbiologicaltreatmentofhighstrengthammoniawastewatercapableofsimultaneousnitrificationanddenitri-fication.BeijingThe2ndIWAAsiaPacificRegionalYoungWaterProfessionalsConference2009.377-3899StephensonT.PollardS.J.T.andCartmellE.Feasibil-ityofbiologicalaeratedfiltersBAFsfortreatinglandfillleachate.EnvironmentalTechnology2004253349-35410ZhouJ.LiZ.G.LongT.R.etal.Treatmentoflandfillleachateswithhighammoniaconcentrationsintwo-stagesequentialbatchbiofilmreactor.JournalofCentralSouthUniversityofTechnology2007143375-37911JettenM.S.M.WagnerM.FuerstJ.etal.Microbiolo-gyandapplicationoftheanaerobicammoniumoxidation‘anammox’
本文标题:固定化微生物法去除模拟渗滤液中氨氮的研究温丽丽
链接地址:https://www.777doc.com/doc-6565866 .html