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2017-01-0951408104N150104003.1982-1967-.39620186JournalofNortheasternUniversityNaturalScienceVol.39No.6Jun.2018doi10.12068/j.issn.1005-3026.2018.06.022N2O110819/N2O.N2O.COD76.8%94.4%88.9%.N2O46.4%53.6%N2ON2O2.1%N2O.N2ON2OTU992.3A1005-3026201806-0872-05CharacteristicsofPartialNitrificationandN2OEmissionsThroughAerobicGranularSludgeTreatingLivestockWastewaterZHANGMing-chuanXUXin-yangWANGLinSchoolofResources&CivilEngineeringNortheasternUniversityShenyang110819China.CorrespondingauthorZHANGMing-chuanE-mailzhangmingchuan@mail.neu.edu.cnAbstractAerobicgranularsludgecanachievepartialnitrificationduetothespecialanaerobic/aerobicspacestructure.HoweverthegreenhousegasN2Ocouldemitthroughpartialnitrificationandaerobicgranularstructure.InthisstudyperformanceofpartialnitrificationinanaerobicgranularsludgereactortreatinglivestockwastewaterwasinvestigatedanditscharacteristicsofN2OemissionswerequantifiedbysensitiveN2Omicro-sensors.Inthesteady-statetheaverageCODandammoniumremovalrateswere76.8%and94.4%respectively.Thepartialnitrificationefficiencyreached88.9%.Accordingtotheresultsofmicro-sensorsandgaschromatographytheproportionofN2Ogenerationfromanaerobicandaerobicstageintheaerobicgranularsludgesystemwas46.4%and53.6%respectivelybuttheN2Oemissionsfromthepartialnitrificationsystemweremainlycausedbyairstrippinginaerationphase.TheratioofN2O-Nemissionswas2.1%oftheinfluentnitrogenloadingfromthissystem.ItshowedN2Oemissionswerenotsignificantlyenhancedbytheaerobicgranularsludge.KeywordsaerobicgranularsludgeN2OemissionspartialnitrificationlivestockwastewaterN2Omicro-sensorN2ON2OCO2265N2O1211.N2O.N2O34%4%2.N2O0.6%~25.3%3-4.40%25%5.NOBAOB6..N2O.N2O.N2O.N2ON2O.11.1SBR1.10L.0.6L/min.20±2℃.SBR38h10min150min300min10min10min.1SBRFig.1SchematicdiagramofaerobicgranularsludgeSBR1.2COD3840±489mg/LBOD51457±70mg/LNH+4-N1061±132mg/LTP21±8mg/LSS1.95±0.46g/LpH8.28±0.35.BOD5COD0.379.3L26.7h.MLSS19.63g/L816.75μmCOD0.176kg/g·m3·d.1.3COD、NH+4-N、NO-2-N、NO-3-N、TP、MLSS.pHpH120P-01AThermoMastersizer2000Malvern-β-PHB-7.N2ON2ON2O-100Unisense1minPA2000UnisenseUnisenseLoggerN2ON2O7890BAgilent10minECD330℃PorapakQ55℃N2.N2O.N2ON2O1vac=dρN2Odt=vg-ve.1vacN2Omg/L·minρN2ON2Omg/LvgN2Omg/L·minveN2Omg/L·min.N2Ovacve1N2OvgN2Ovgve.3786N2O22.1SBR80dCOD556.2%SBRCOD76.8±7.4%.CODBOD535.3±12.8mg/LCOD.COD8.SBR2.NH+4-N8NH+4-N71.1%NH+4-N.9~12dNH+4-N.NH+4-N94.4±0.7%NH+4-N.2SBRFig.2PerformanceofnitrogenremovalintheaerobicgranularsludgeSBRtreatinglivestockwastewaterSBRNAR=SNO-3-NSNO-2-N+SNO-3-N×100%.2SBR8~10dNO-2-N.88.9±1.8%NO-2-N242.4±13.2mg/LNO-3-N30.1±4.6mg/L.NO-2-NCOD∶N=3.62BOD5∶N=1.47.NO-2-NNH+4-N1.329..SBR3.NH+4-N420min.NO-2-NNO-3-NNO-2-N.400minNH+4-NNO-2-N.NO-3-NNO-2-NNO-3-NSBR86.5%.SBR.350minNO-2-NNH+4-NNH+4-N.SBR390min1h.3SBRFig.3PerformanceofnitrogenremovalinatypicalcycleoftheaerobicgranularsludgeSBR45d.SBRBOD542.3±9.3mg/LNH+4-N138.5±8.8mg/LNO-2-N197.1±12.6mg/L4783991.3±2.5%.NO-2-NNH+4-N1.423.2.2SBRN2ON2O4.4SBRN2OFig.4CharacteristicsofdissolvedN2OinatypicalcycleoftheaerobicgranularsludgeSBRtreatinglivestockwastewater150minN2ON2O.N2O10.3.6211N2O.20minN2ON2O.30~60minN2O0.25mg/LN2O.NH+4-NN2ON2O0.02mg/L.N2O0.02mg/L0.08mg/L.PHBPHBPHB62mg/g54mg/g.MLSSPHB.PHBN2O.N2ON2Ove5.5SBRN2OFig.5EmissionandgenerationratesofN2OinatypicalcycleoftheaerobicgranularsludgeSBR4N2ON2O.veSBRN2O34.0mgN2O2.1%.N2O0.6%~25.3%.N2ON2O.N2OAOB.SBRN2O33.2%67.8%N2O2.04.N2O.1N2Ovg5.N2Ovg0.0105±0.0016mg/L·minvg.N2OAOB5786N2ONH2OH2.NH+4-NN2O50min.N2O0.0139±0.0010mg/L·minNH+4-N.N2OAOBNirKNO-2-NN2O12..N2O33.8mgN2O46.4%53.6%.31CODNH+4-N76.8%94.4%88.9%.1hNO-2-NNH+4-N1.423.2N2O.N2O34.0mgN2O2.1%N2O.N2O33.2%67.8%.3N2O33.8mgN2O46.4%53.6%.N2O0.0105±0.0016mg/L·min50minN2O0.0139±0.0010mg/L·minNH+4-N.1IPCC.Climatechange2013thephysicalsciencebasisM.CambridgeCambridgeUniversityPress2013.2OkamotoS.GreenhousegasemissionreductiontechnologiesinsewagesystemsJ.JournalofJapanSocietyonWaterEnvironment200932341-345.3WeiDShiLZhangGetal.Comparisonofnitrousoxideemissionsinpartialnitrifyingandfullnitrifyinggranularsludgereactorstreatingammonium-richwastewaterJ.BioresourceTechnology2014171487-490.4Townsend-SmallAPatakiDETsengLYetal.NitrousoxideemissionsfromwastewatertreatmentandwaterreclamationplantsinsouthernCaliforniaJ.JournalofEnvironmentalQuality20114051542-1550.5ZhangMLawlorPGWuGetal.PartialnitrificationandnutrientremovalinintermittentlyaeratedsequencingbatchreactorstreatingseparateddigestateliquidafteranaerobicdigestionofpigmanureJ.BioprocessandBiosystemsEngineering20113491049-1056.6AdavSSLeeDShowKetal.AerobicgranularsludgerecentadvancesJ.BiotechnologyAdvances2008265411-423.7QuanXZhangMLawlorPGetal.NitrousoxideemissionandnutrientremovalinaerobicgranularsludgesequencingbatchreactorsJ.WaterResearch201246164981-4990.8NolanTTroySMGilkinsonSetal.EconomicanalysesofpigmanuretreatmentoptionsinIrelandJ.BioresourceTechnology2012105215-23.9JettenMSMStrousMvandePas-SchoonenKTetal.TheanaerobicoxidationofammoniumJ.FEMSMicrobiologyReviews1999225421-437.10HwangSJangKJangHetal.Factorsaffectingnitrousoxideproductionacomparisonofbiologicalnitrogenremovalpro
本文标题:好氧颗粒污泥短程硝化处理养殖废水及N2O释放特性张铭川
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