MBRBAF系统处理辽河油田采油污水的研究

:1007-8924(2004)04-0048-04MBR-BAF1113122(1.,116012;2.,124022):(MBR)-(BAF),,,BOD590%;COD1.97kg/(m3d),MBR-BAFCOD70%,.:;;:TQ028.8:A,,70%80%,90%.,,,.,,[1].,420mg/L,.(MBR)-(BAF).11.11,,6.8L,5.6L;1.5L,20cm.100L,,,.,,.1Fig.1Schematicoftheexperimentaldevices1.2,,0.1m2,0.1m,270m.,,,.1.3-,26mm,.,,,,:2003-01-09;:2003-03-17:(1979-),,,.3.244Vo1.24No.420048MEMBRANESCIENCEANDTECHNOLOGYAug.2004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved..1.4,1.BOD5/COD0.120125,.1mg/LTab.1ThetestofwastewaterqualityCOD516.7615.3NH3-N6.812.3BOD560.0137.5SS21.2168TOC124.9180.7pH8.08.414.479.022.1,,,[2],.,.,,MLSS2000mg/L.48h,,1h,50%,,.24h,25.,,,COD,20hCOD,22,20hCOD120150mg/L(2),MLSS4083.33mg/L,,.,,6.2.2COD95MBR-BAF,,,.220hCODFig.2TheCODconcentrationchangeofsupernatantfluidafter20hoursaerationduringthehabituation(HRT)20h,HRT6h.3,,COD50%,,MBR-BAFCOD80%,COD100mg/L,(GB8978-88),.3HRT20hMBR-BAFCODFig.3TheremovalofCODwhenHRTis20hoursinMBR915HRT10h,HRT3h.4,HRT,MBR-BAFCOD,,,,.HRT,,,1.13kg/(m3d)COD4:MBR-BAF49©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4HRT10hMBR-BAFCODFig.4TheremovalofCODwhenHRTis10hoursinMBR.,COD,.COD1.97kg/(m3d),MBR-BAFCOD100mg/L,2.2CODMBR-BAFTab.2ThesummaryoftheCODremovalsHRT/h8.27.47.26.74.8COD/(mgL-1)462.2408.9380.4546.2335.0/(kgm-3d-1)1.351.331.302.001.70MBRCOD/(mgL-1)110.2106.7117.3108.1129.9COD/(mgL-1)99.693.972.985.392.6COD/%78.577.080.884.471.4COD[3],COD,,,,COD.2.3,,.,MBR-BAF(3),97%,,.3mg/LTab.3TheremovalofoilHRT/h116.24.87.246.787.24MBR0.380.170.370.120.150.10/%98.397.898.6BOD5,92%,BOD5,MBR-BAFBOD597%(4).4BOD5mg/LTab.4TheremovalofBOD5129.37137.40137.57135.59MBR10.005.407.804.00/%92.2796.0794.3397.052.901.402.803.00/%97.7698.9897.9697.795,.,,,.,,,,.5NH3-Nmg/LTab.5TheremovalofNH3-NHRT/h8.28.07.46.76.59.069.069.219.3210.30MBR1.001.111.521.942.400.670.591.340.851.90/%92.693.585.590.981.52.4,SV30%.2g/L6g/L,,,.2.5,,,5024©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,0.08MPa.,,.,,,.,:,1%,1%NaOH[4].8h,,,.,.31)MBR-BAFBOD5,90%,COD70%,,.2)COD1.97kg/(m3d-1),MBR-BAFCOD,COD;4.8h,MBR-BAF90%.3)v1%v1%NaOH,.4),,MBR-BAF,.[1],,.[J].,1996(1):44-46.[2]YamamotoK,HiasaM,MahmoodT,etal.Directsolid-liquidseparationusinghollowfibermembraneinanactivedsludgeaerationtank[J].WatSciTech,1989,21:43-54.[3],,.COD[J].,2002,28(6):44-47.[4],,.[J].,2001,21(6):1-13.StudiesonMBR-BAFsystemforoilwastewatertreatmentfromLiaoheoilfieldTIANHuiying1,ZHANGXingwen1,ZHANGHanmin1,QIAOSen1,LIUZhanguang2,FENGJiuhong2(1.SchoolofEnvironmentScienceandEngineering,DalianUniversityofTechnology,Dalian116012,China;2.InstituteofOilDrillingandMining,Panjin124022,China)Abstract:Thecombinationofmembranebioreactor(MBR)andbiologicalaeratedfilter(BAF)technologyiseffec2tiveontreatmentoftheoilsewagefromLiaoheoilfield.Inpilot-scalereactors,themeanclearanceofoil,BODandNH3-Ncouldreach90%andwhenthevolumeloading(basedonCOD)inMBRreached1.97kg/(m3d),thereactionsystemachievedameanremovalofmorethan70%andproducedaneffluentwithmeanconcentra2tionofCODwithinthestandardfordischarge,whichwasclearandhadnouncomfortableodor.Duringthewholeexperiment,neitherpharmaceuticalwasadded,noradditionalpollutionoccured.Keywords:oilsewage;membranebioreactor;biologicalaeratedfilter4:MBR-BAF51©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.