不同流态对好氧污泥颗粒化的影响饶彤彤

310014、PIVFlow-3D。、、。X703C1000－4602201115－0088－03EffectofDifferentFlowPatternsonAerobicSludgeGranulationRAOTong-tongWANGLiLIJunNIYong-jiongDONGZhi-yongZHOUYan-nianCollegeofCivilEngineeringandArchitectureZhejiangUniversityofTechnologyHangzhou310014ChinaAbstractAerobicgranularsludgewascultivatedinthedifferentshapereactorscylindricalsphericalandsquarecolumninashaker．Theimpactofdifferentflowpatternsonaerobicsludgegranu-lationwasinvestigatedusingparticleimagevelocimetryPIVsystemandFlow-3Dsoftware．Theresultshowsthataerobicgranulesoccurinthreereactors．Granulesinthesquarecolumnreactoraresmallerdensermoreabundantandmoreuniform．Itisbenefitforformationofdenseandstronggranulestocausesecondaryflowwithvortexandturbulencewithcertainintensity．Keywordsaerobicgranularsludgeflowpatternsecondaryflow508781952008C23083、、1～3。45。67。。11.13、、D×H=6cm×8cm4cmL×W×H=6cm×6cm×10cm120mL。THZ－C·88·271520118CHINAWATER＆WASTEWATERVol．27No．15Aug．201125℃130r/min。、220min、5min、240min3。DO＞2mg/L。1.2COD1800mg/L3012mg/LNH4Cl130mg/LKH2PO433mg/LCaCl2·2H2O8mg/LFeSO4·7H2O8mg/LMgSO4·7H2O8mg/L1mL/L。H3BO3100mg/L、CoCl2·6H2O100mg/L、CuSO4·5H2O30mg/L、FeCl3·6H2O1000mg/L、MnCl2·2H2O110mg/L、Na2Mo7O24·2H2O70mg/L、ZnSO4·7H2O100mg/L、KI30mg/L、NiCl260mg/L。SVI80mL/g。1.3COD—、、MoticImage-ProPlus。SS、SV、SVI、MLSS、MLVSS。PIV。22.11。1Tab．1Analysisofcharacterandperformanceofgranularsludge/μm400～500370～470330～4302．3～3．32．0～3．01．5～2．5COD/%88～9389～9390～94/%73～8677～8977～86/%30～6040～6339～551、。COD、。2.212Flow-3D。1PIVFig．1FlowPIVphotosforcentrallongitudinalsectionindifferentreactors2Fig．2Flowsimulationfiguresforcentralcrosssectionindifferentreactors12。、。“”。、。、、、·98·．watergasheat．com2715。3。、。。1AdavSSLeeDJShowKYetal．AerobicgranularsludgeRecentadvancesJ．BiotechnolAdv2008265411－423．2．J．2009293449－473．3LiJGarnyKNeuTetal．Comparisonofsomecharac-teristicsofaerobicgranulesandsludgeflocsfromsequen-cingbatchreactorsJ．WaterSciTechnol2007558/9403－411．4ZhengYMYuHQShengGP．Physicalandchemicalcharacteristicsofgranularactivatedsludgefromasequen-cingbatchairliftreactorJ．ProcessBiochem2005402645－650．5．J．200728112657－2664．6LiuYYangSFTayJH．Improvedstabilityofaerobicgranulesbyselectingslow-growingnitrifyingbacteriaJ．JBiotechnol20041082161－169．7LiuYXuHLYangSF．Mechanismsandmodelforan-aerobicgranulationinupflowanaerobicsludgeblanke[e-mail]櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2011－01－20871．J．200319932－34．2HuJYOngSLNgWJetal．Anewmethodforchar-acterizingdenitrifyingphosphorusremovalbacteriabyu-singthreedifferenttypesofelectronacceptorsJ．WaterRes200337143463－3471．3．A2/OJ．2008241511－14．4AdavSSLeeDJShowKYetal．AerobicgranularsludgeRecentadvancesJ．BiotechnolAdv2008265411－423．5JiangXin-xinYangJi-xianMaFangetal．Denitrifyingphosphorousremovalinanaerobic/anoxicSBRsystemwithdifferentstartupoperationmodeJ．JournalofHar-binInstituteofTechnology2010176824－829．6LinYMLiuYTayJH．Developmentandcharacteris-ticsofphosphorusaccumulatingmicrobialgranulesinse-quencingbatchreactorsJ．ApplMicrobiolBiotechnol2003624430－435．7WuCYPengYZWangSYetal．EnhancedbiologicalphosphorusremovalbygranularsludgeFrommacro-tomicro-scaleJ．WaterRes2010443807－814．8MoyBYPTayJHTohSKetal．HighorganicloadinginfluencesthephysicalcharacteristicsofaerobicsludgegranulesJ．LettApplMicrobiol2002346407－412．9LiuLiliWangZhipingYaoJieetal．Investigationontheformationandkineticsofglucose-fedaerobicgranularsludgeJ．EnzymeMicrobTechnol2005365/[e-mail]2011－04－18·09·2715．watergasheat．com