不同pH值下好氧颗粒污泥形成过程与特性傅金祥

20107264JournalofShenyangJianzhuUniversityNaturalScienceJul.2010Vol.26No.42010－01－222009ZX07208－002－0051955—.1671－2021201004－0734－05pH110168pH.SBRR1、R2pHR17kg·m－3·d－1、pH=3.0～6.0R27kg·m－3·d－1、pH=7.0～8.5.R15dR225d.pHpH.、10.162g·L－15.85g·L－1COD95%.pHSBRX703.1A、、、、1－4.、、、pH、5－8..pHpH.SBRpHpH、..11.1SBR100cm9cm5L1/2.R1R2、、.R14.R24360min3min3min5min349min.24±1℃0.25m3·h－1.R1pH=3.0～5.5R2pH=7.0～8.5.1.2R1、R2.C∶N∶P=100∶5∶1.125mg·L－1125mg·L－1300mg·L－1.1mL·L－1g·L－126pH735EDTA15.00ZnSO4·7H2O0.43CuSO4·5H2O0.25MnCl2·4H2O0.99NaMoO4·2H2O0.228NiCl20.199CoCl20.05NaSeO3·5H2O0.21H3BO30.05.1.3CODpHSV、SVI、MLSS9.1.00.80.630.40.25mm.10.22.1pH1.R1pH=3.0～6.0、7kg·m3·d－1.5d1a.15d8mm1b.1R1Fig.1FormationprocessofaerobicgranularsludgeinR11R1.R2pH7.0～8.57kg·m－3·d－1、3min、6h.25d1～2mm2a.90d3～4mm2b.2R2Fig.2FormationprocessofaerobicgranularsludgeinR22R2.11.R1R2pH.R1pH=3.0～6.0R173626.R2pH.HCO－3R2.3min.pH..pH12－13.2.2pH.3.3aR130dR110mm.R23min.50dR210.162g/L.3bR13～4mm56%5mm22%.3cR20.8mm42%0.25mm21%.R1R2R1R1R2R1109.8g/LR2161.97g/L.56.7g/L.3R1、R2Fig.3DiameterandMLSSinR1R2.2.3pH6.526kg·m－3·d－1、7kg·m－3·d－1R1R2340min360min26pH737340min3min4.R169%94%R295%.4R1、R2Fig.4OrganicmatterdegradationinatypicalcycleofR1R24R1、R2.31pH.2、..1KishidaNTsunedaSKimJH.Simultaneousnitro-genandphosphorusremovalfromhigh－strengthin-dustrialwastewaterusingaerobicgranularsludgeJ.JournalofEnvironmentalEngineering20091353153－158.2KishidaNTsunedaSSakakibaraY.Real－timecontrolstrategyforsimultaneousnitrogenandphos-phorusremovalusingaerobicgranularsludgeJ.WaterScienceandTechnology2008582445－450.3WangJingfengWangXuanZhaoZuguo.OrganicsandnitrogenremovalandsludgestabilityinaerobicgranularsludgemembranebioreactorJ.AppliedMicrobiologyandBiotechnology2008794679－685.4WanJunfengSperandioMathieu.PossibleroleofdenitrificationonaerobicgranularsludgeformationinsequencingbatchreactorJ.Chemosphere2009752220－227.5.SBRJ.200728112467－2472.ShenXiangxinLiXiaomingYangQietal.Accel-erationoftheformationofaerobicgranulesinSBRbyinoculatingmatureaerobicgranulesJ.ChineseJournalofEnvironmentalScience200728112467－2472.6DeKreukMKPronkMVanLoosdrechMCM.Formationofaerobicgranulesandconversionproces-sesinanaerobicgranularsludgereactoratmoderateandlowtemperaturesJ.WaterResearch200539184476－4484.7LiuQSTayJHLiuY.Substrateconcentration－independentaerobicgranulationinsequentialaerobicsludgeblanketreactorJ.EnvironTechnol2003241235－1243.8NorAnuarAUjangZVanLoosdrechtMCMetal.SettlingbehaviourofaerobicgranularsludgeJ.WaterScienceandTechnology200756755－632007.9.M.4.2002.MinistryofEnvironmentalProtection.Superviseandanalysismethodsforwater＆wastewaterM.4thed.BeijingChinaEnvironmentSciencePress2002.10BeunJJHendriksAVanLoosdrechtMCMetal.AerobicgranulationinasequencingbatchreactorJ.WaterRes1999332283－90.11YangSFLiXYYuHQ.Formationandcharacter-isationoffungalandbacterialgranulesunderdiffer-entfeedingalkalinityandpHconditionsJ.Process73826Biochemistry2008438－14.12.J.200723585－89.WangDiYangFenglinZhouJunetal.InfluenceofcarbonsourceonphysicalcharacteristicsandphosphorusremovalperformanceofaerobicgranularsludgeJ.ChinaWater＆Wastewater200723585－89.13YangShufangTayJooHwaLiuYu.Anovelgranu-larsludgesequencingbatchreactorforremovaloforganicandnitrogenfromwastewaterJ.JournalofBiotechnology200310677－86.TheFormationProcessandCharacteristicsofAerobicGranularSludgeunderDifferentpHConditionsFUJinxiangTANGYulanWANGHaibiaoMAXingguanYOUKunSchoolofMunicipalandEnvironmentalEngineeringShenyangJianzhuUniversityShenyangChina110168AbstractTheimpactofpHvalueonmicrobialpopulationsintheformationofaerobicgranularsludgeAGSandthecharacteristicsofwhichtwotypeswasstudied.Takingdynamicsmall－scalelaboratorytestmethodsandglucoseasthesolecarbonsourceresearchersadjustedthetworeactors'R1R2pHvalue.R1intheconditionoforganicloadingrateis7kg·m－3·d－1pH=3.0～6.0AGSformedafter5daysR2intheconditionoforganicloadingrateis7kg·m－3·d－1pH=7.0～8.5AGSformedafter25daysThere-sultsshowedthatpHvalueastheroleofspeciesselectionintheformationofAGS.FilamentousbacteriadominatedthereactorinthelowpHvalueconditionwhichcalledFilaments－AerobicGranularSludgeF－AGShadaloosestructurebutformedeasilyAGSformedunderalkalineconditionscalledBacteria－Aero-bicGranularSludgeB－AGSdominatedbybacteriawhichhadacloserstructurebutaslowerformationrate.TheMLSSofB－AGSupto10.162g·L－1higherthenthatofF－AGS'5.85g·L－1soR2hasahigherorganicdegradationratethenR1.R1andR2bothhaveagoodcapacityoforganicdegradationandtheaverageremovalrateisupto95%.KeywordsaerobicgranularsludgefilamentousbacteriapHSBR