好氧颗粒污泥发生丝状菌污泥膨胀的控制措施赵霞

12212221．1500902．730050SBR。。CODNH3－N、TP。C/N。MLSS3000mg/LSVI77mL/gCOD、NH3－N、TP94．52%、95%、90%。X703A1000－4602201203－0015－05511210620916RJZA011、1014RJZA0191005ZCX016ControlofFilamentousSludgeBulkinginAerobicGranularSludgeSBRProcessZHAOXia12ZHAOYang-li2CHENZhong-lin1JIANGFeng2LUOHe-ming2FENGHui-xia21．StateKeyLaboratoryofUrbanWaterResourceandEnvironmentSchoolofMunicipalandEnvironmentalEngineeringHarbinInstituteofTechnologyHarbin150090China2．CollegeofPetrochemicalTechnologyLanzhouUniversityofTechnologyLanzhou730050ChinaAbstractTheaerobicgranularsludgewasinoculatedinSBRandusedtotreatsimulatedwastewaterafteracclimationwithanexcellenteffect．Thevariationinsludgemorphologyduringincuba-tionandtheremovalofpollutantswithfilamentoussludgebulkingwereinvestigated．Theroleoffilamen-tousmicroorganismsinthesludgegranulationprocessandcontrolmethodsofgeneralfilamentousbulkingwerediscussed．ThefilamentoussludgebulkingaffectedtheremovalrateofCODbuttheinfluenceontheremovalratesofammonianitrogenandTPwaslittle．Thefilamentoussludgebulkingcouldbecon-trolledtoacertainextentbyincreasingthehydraulicshearinthereactor．MoreovertheproblemofsludgebulkingcouldbefundamentallyresolvedbyreducingtheratioofC/Nandbalancingnutritionintheinfluent．MLSSofthematureaerobicgranularsludgewasabout3000mg/LwithbettersettleabilityandSVIwasabout77mL/g．TheremovalratesofCODammonianitrogenandTPcouldreach94．52%95%and90%respectivelyshowinghigherremovalrates．Keywordsfilamentoussludgebulkingaerobicgranularsludgecontrolmethodphysico-·51·28320122CHINAWATER＆WASTEWATERVol．28No．3Feb．2012chemicalpropertyAGS、、、1～4。AGS5～8。。SS9。AGS。11.1SBR8cm7．53L50%。0．9～1．66cm/s。22±3℃。PLC。86min、140～169min、30～1min、4min。1.2C6H12O6、CH3COONaNH4ClKH2PO4NaHCO3pH7COD1100mg/LNH3－N30～60mg/LTP3～5mg/L、、。。2d1L。MLVSS/MLSS0．54。1.3COD、NH3－N、TP、MLSS、MLVSS、SVI10XSJ－HSJSM－5600。270d17d、8d、35d10d。2.1。5d。、24。、45。60d。1～3mm4．5mm、。2.2MLSSSVIMLSSSVI。MLSSSVI1。1MLSSSVIFig．1VariationsofSVIandMLSSduringexperiment1MLSSSVI。SVI50～70mL/g·61·283．watergasheat．comMLSS8004mg/L2080mg/L。SVI548mL/gMLSS705mg/L。、、C/NSVI。60MLSS2730mg/LSVI58mL/g3000mg/LSVI30mL/g。。2.3NH3－N、CODTP2。COD94．52%COD100mg/LVSS/SS0．86。2NH3－N、CODTPFig．2RemovalefficiencyofNH3－NCODandTPinreactorNH3－N、TP75%、50%NH3－N、TP95%、90%。TP。NH3－N、TP1．8、0．6mg/L。/NH3－NTP。－－。2.42.4.1、。。、、。。2.4.2、·71·．watergasheat．com2833。、、、。3Fig．3Imagesoffilamentousbacteriainsludge2.4.3、、。。6μm、、。2.5。SBR、、、pH、、C/N。2.5.1SBR11。26d0．9～1．38cm/s1．38～1．66cm/s、、。10dSVI392mL/g209mL/g714mg/L930mg/L。2.5.2。5min→2min。MLSS、SVI。25%21%。2.5.3C/NC/N、。50dC/N100∶5100∶1010dSVI196mL/g58mL/gMLSS1170mg/L2730mg/L。N。2.5.4、pH、·81·283．watergasheat．com、。、、pH、。3①SBRCOD94．52%。CODNH3－N、TP95%、90%。②C/N。③。、。1AdavSSLeeDJLaiJY．ProteolyticactivityinstoredaerobicgranularsludgeandstructuralintegrityJ．BioresourTechnol2009100168－73．2deKreukMKPronkMvanLoosdrechtMCM．Forma-tionofaerobicgranulesandconversionprocessesinanaerobicgranularsludgereactoratmoderateandlowtem-peraturesJ．WaterRes200539184476－4484．3CarucciAMiliaSDeGioannisG．Acetate-fedaerobicgranularsludgeforthedegradationof4-chlorophenolJ．JHazardMater20091661483－490．4WanJFSperandioM．Possibleroleofdenitrificationonaerobicgranularsludgeformationinsequencingbatchre-actorJ．Chemosphere2009752220－227．5ShengGuo-pingLiAn-jieLiXiao-yanetal．EffectsofseedsludgepropertiesandselectivebiomassdischargeonaerobicsludgegranulationJ．ChemEngJ20101601108－114．6TuXiangZhangShengXuLirongetal．PerformanceandfoulingcharacteristicsinamembranesequencebatchreactorMSBRsystemcoupledwithaerobicgran-ularsludgeJ．Desalination20102611/2191－196．7．SBRJ．20102611145－152．8MoussaviGBarikbinBMahmoudiM．Theremovalofhighconcentrationsofphenolfromsalinewastewateru-singaerobicgranularSBRJ．ChemEngJ20101583498－504．9．J．200830108－15．10．4M．2002．11．J．2010394580－589．1977－。[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2011－06－19201111、、、、、、。。。。·91·．watergasheat．com283