SBR中好氧颗粒污泥的培养与除污效能

SBR1,1,2,1(1.,200240;2.,150076):,,SBR,COD45mm,7290m/h,MLSS7.8g/L,CODNH3-N95%98%75%90%:;;:X703.1:C:1000-4602(2005)02-0053-03CultivationandRemovalEfficiencyofAerobicGranularSludgeinSBRHUANGYu2feng1,ZHANGLi2li1,HAOWei2,CAIWei2min1(1.SchoolofEnvironmentalScienceandEngineering,ShanghaiJiaotongUniversity,Shang2hai200240,China;2.ResearchCenterforEnvironmentalMonitoring,Harbin150076,China)Abstract:Floccularactivatedsludgewasusedasseedingsludge.Aerobicgranularsludgewascultivatedinsequencingbatchreactor(SBR)fedwithsyntheticwastewaterbycontrollingoperationalconditions.Itisdemonstratedthatsimultaneousnitrificationanddenitrification,andCODremovalcanbeachievedwithhighperformance.Thematuredaerobicgranularsludgehasanaveragediameterof4-5mmandsettlingrateof72-90m/h,withMLSS7.8g/Linreactor.TheremovalrateofCODandNH3-Ncomesupto95%-98%and75%-90%respectively.Keywords:sequencingbatchreactor;aerobicgranularsludge;simultaneousnitrificationanddenitrification1111SBR2.4L,5cm,1.42m,0.72mSBR(),,,4.5L/min,(254)PLC,4h,5min,120min,112,11Tab.1RawwaterqualityCOD/(mgL-1)NH3-N/(mgL-1)pH8002200551507.00.5113CODSVSVIMLSSOUR:;DO:;NH3-N:;NO-3-N:;NO-2-N:N-(1-)-;3521220052CHINAWATER&WASTEWATERVol.21No.2Feb.2005©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(MLSS2g/L,SVI232mL/g),3:,22Tab.2Operatingresultsindifferentstages/dCOD/(gL-1d-1)/(gL-1)SVI/(mLg-1)/(mh-1)COD/%NH3-N/%1202.53.03.2232960.55.295.475.62463.35.05.288433256.598.788.63545.46.77.85644729096.591.5,,10dCOD,,SVI100mL/g,MLSS3.2g/L,40d,60,SVI43mL/g,MLSS5.2g/L80d,,,,COD,COD70140mg/L,COD95%,,NH3-N5565mg/L,NH3-N1315mg/L,NO-x-N(35mg/L)40,,NO-x-NNH3-N150mg/L,NH3-N1317mg/L,NO-x-N0.51.5mg/L,,NH3-N,:,212,10030minCODNH3-NNO-x-N,,COD1800mg/LNH3-N94mg/L,CODNH3-N,COD30min,60min,COD100mg/L,NH3-N70mg/L,NO-x-N1.0mg/L,CODNH3-N5014mg/L,NO-x-N1.4mg/L(2)2Fig.2Variationofnitrogenconcentrationwithtime45221©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(45mm),,,NO-3-NNO-2-N213100,,,45mm,(7mm)(3mm)(SOUR)SVISOUR33SVISOURFig.3VariationofSVIandSOURwithoperatingtime3,,,SBR,,SOURSOUR68mgO2/(gMLVSSh),SOUR,35mgO2/(gMLVSSh),,,CODNH3-N,,,,,,,3SBRCODNH3-N95%98%75%90%:[1]APHA.StandardMethodsfortheExaminationofWaterandWastewater[M].WashingtonDC:AmericanPublicHealthAssociation,1995.[2].[J].,2002,18(2):26-28.[3],,.()[M].:,1996.:[phone]E-mail:[e-mail]:2004-10-15:3104m3/d,:5104m3/d,:,:4hm2,:5000,:BOT:()552,:SBR21©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.