低温好氧颗粒污泥的培养及处理生活污水研究郭安

1121131．1500902．1001243．300051、SBＲ、。、18℃10℃SBＲ300μmMLSS6000mg/LSVI50～60mL/g。COD、PO3－4－P、NH+4－N85．8%、98．3%、99．2%。2hTN95．2%。[e-mail]anularSludgeunderLowTemperatureandItsApplicationtoTreatmentofMunicipalDomesticSewageGUOAn1PENGYong-zhen12WANGＲan-deng1CHENGZhan-li131．StateKeyLaboratoryofUrbanWaterＲesourceandEnvironmentHarbinInstituteofTechnologyHarbin150090China2．KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentＲecoveryEngineeringEngineeringＲesearchCenterofBeijingBeijingUniversityofTechnologyBeijing100124China3．TianjinMunicipalEngineeringDesignandＲesearchInstituteTianjin300051ChinaAbstractTheaerobicgranularsludgewascultivatedinaSBＲreactoroperatedinanaerobic/aero-bicalternatingmodeandwasappliedtotreatmunicipaldomesticsewageincoldregionunderlowtem-perature．Theaerobicgranularsludgewascultivatedsuccessfullyastheaverageparticlesizeofthegranu-larsludgewas300μmtheMLSSwas6000mg/LandthesludgeshowedgoodsettleabilityastheSVIkeptat50to60mL/gwhenthetemperaturereducedfrom18℃to10℃andkeptatlowvalueforalongtime．TheaerobicgranularsludgehadexcellentremovaleffectonCODPO3－4－PandNH+4－Nandtheaverageremovalrateswere85．8%98．3%and99．2%respectively．AdditionallyTNremovalrateof95．2%wasachievedbyadding2-houranoxicmixingtime．Keywordsaerobicgranularsludgelowtemperaturedomesticsewagepollutantsremoval·83·3119201510CHINAWATEＲ＆WASTEWATEＲVol．31No．19Oct．2015、、、。20～25℃1～318～10℃、SBＲCOD、、。11.1SBＲ12cm42cm37cm4L。1/2。SBＲ46h5min90min210min1～29d30min30～47d20min48～80d15min81～136d10min。1。120～160L/h。201612840T/℃20406080100120140t/d1Fig．1Temperaturechangesduringoperationalstages1.2。COD、PO3－4－P、NH+4－N、TN122．8～383．5、1．7～5．5、42．7～62．8、47．3～68．2mg/L。COD1。MLSS4462mg/LMLVSS/MLSS0．58。1Tab．1Additionalcarbonsourceinvariousoperationalstages/d12～8081～8586～136/mg·L－104003002501.3NH+4－N、NO－3－N、NO－2－N、PO3－4－P、MLSS、MLVSS、SVCODTNTOC－VCPN/。22.12.1.123。a.1db.20dc.45dd.65de.85df.115d2Fig．2Morphologyofaerobicgranulesindifferentstages810１001000/滋m/％765432101d40d80d120d3Fig．3Particlesizedistributionindifferentstages50μm＞200μm20d20～65d·93·．watergasheat．com3119100μm200μm80d、＞200μm50%300μm。120d90μm600μm4。。。2.1.24。８００002040６０８０１00１２0１４０1.00.80.60.4０.２0t/dMLVSS/MLSSMLSS、ＭＬＶＳＳ/（mg·Ｌ－１）7００06００05００04００03００02００01００020016012080400SVI/(mL·g-1)MLSSＳＶＩMLVSSMLVSS/MLSS4Fig．4ChangeofMLSS/MLVSSandsettleability。1～29dMLSS4462mg/L7745mg/L。3020min5785mg/L。4815min。8110min400mg/L300mg/L86d250mg/L4923mg/L6000mg/L。MLVSSMLSS。1～20dMLVSS/MLSS0．580．800．89。SVI1～10d50～60mL/g。。2.22.2.1COD1COD352．30mg/LCOD70．20mg/L80．1%2～80d400mg/LCOD475．2～712．5mg/LCOD50～70mg/L70mg/L89．2%81～85d300mg/LCOD519．9～633．5mg/LCOD40～50mg/L91．7%86～136d250mg/LCOD413．3～633．5mg/LCOD50～60mg/L60mg/L85．8%。2.2.2PO3－4－PPO3－4－P5。108602040６０８０１00１２0１４０100806040200t/d/％42ＰＯ４－Ｐ/（mg·Ｌ－１）３－5PO3－4－PFig．5PO3－4－PremovalindifferentoperationalstagesPO3－4－P50dPO3－4－P0～0．4mg/L0．07mg/L·04·3119．watergasheat．com98．3%。PO3－4－PA。2.2.3NH+4－NNH+4－NNH+4－N0～2．45mg/L0．50mg/L99．2%。NH+4－NNH+4－NA。DeKreuk520℃8℃20℃8℃610℃SBAＲCOD、NH+4－NPO3－4－P86．8、5．22．0mg/L84．5%、91．1%94．1%Bao710℃SBAＲCOD、NH+4－NPO3－4－P90．6%～95．4%、72．8%～82．1%95．8%～97．9%COD、NH+4－NPO3－4－P85．8%、99．2%98．3%。。2.310℃6。MLSS6110mg/L120L/h。COD、PO3－4－P、NH+4－N、TN612．80、5．49、62．75、63．47mg/L59．52、0、0、20．22mg/L。4035302520151050060120180240300360420250200150100500t/minＮＨ４－ＮＮＯ３－ＮＴＮＮO2－ＮPO4－PCOD+--3-、/（mg·Ｌ－１）ＣＯＤ/(mg·Ｌ－１)6A/OA/O/AFig．6VariationofpollutantsduringA/OandA/O/Acycle30minCOD230．10mg/L66．62mg/L。CODCODPHA。COD68．79mg/LCODCOD59．52mg/L。VFAsPHAPO3－4－P32．48mg/LPHA30minPO3－4－P0．05mg/L。30minNH+4－NNH+4－N30～60minNH+4－NNH+4－NNH+4－NNH+4－N。NH+4－NNH+4－N。30min。NO－2－NNO－2－N16．19mg/LNO－3－N3．94mg/L。TN33．52mg/L20．22mg/LTN30min、。2.4、NH+4－NTN2h、、A/O/A。62hNO－2－NTNNO－3－NTN3．05mg/LTN95．2%。COD·14·．watergasheat．com3119。NO－2－N、NO－3－N、TNCODCODCOD。820～25℃///NH+4－NNO－3－NNH+4－NNO－2－NNO－2－NNO－3－N。CODCODCOD。3、SBＲ。10minMLSS6000mg/LSVI50～60mL/g300μm600μm。COD、PO3－4－P、NH+4－N85．8%、98．3%、99．2%NO－2－N。2hTNTN3．05mg/L95．2%。1TorregrossaMDiBellaGVivianiGetal．PerformancesofagranularsequencingbatchreactorGSBＲJ．Wa-terSciTechnol2007558/9125－133．2LiuYQTayJHMoyBYP．Characteristicsofaerobicgranularsludgeinasequencingbatchreactorwithvaria-bleaerationJ．ApplMicrobiolBiotechnol2006715761－766．3LiuYLiuZWangFetal．Ｒegulationofaerobicgranu-larsludgereformulationaftergranularsludgebrokenEffectofpolyaluminumchloridePACJ．BioresourTechnol2014158201－208．4．/J．201531134－9．5DeKreukMKPronkMVanLoosdrechtMCM．Forma-tionofaerobicgranulesandconversionprocessesinanaerobicgranularsludgereactoratmoderateandlowtem-peraturesJ．WaterＲes200539184476－4484．6．J．201244611－15．7BaoＲYuSShiWetal．AerobicgranulesformationandnutrientsremovalcharacteristicsinsequencingbatchairliftreactorSBAＲatlowtemperatureJ．JHazardMater200916821334－1340．8．D．2014．1990－。[e-mail]2015－06－12·24·3119．watergasheat．com