MBR工艺处理机场污水并回用

MBR1,1,1,2(1.,300384;2.,300072):,MBRMBR,,,,:;;:X703.1:C:1000-4602(2005)01-0091-02MBRProcessforTreatmentandReuseofAirportWastewaterLIYan2bin1,ZHUGao2xiong1,ZHANGLiang1,YANGZao2yan2(1.TianjinTsinghuaDaringEnvironmentalEngineeringCo.Ltd.,Tianjin300384,China;2.SchoolofEnvironmentalScienceandEngineering,TianjinUniversity,Tianjin300072,China)Abstract:Membranebioreactor(MBR)wasusedtotreatwastewaterfromQingdaoAirporttoachievereclamationandreuseofwastewater.AscomparedwithtraditionalMBR,anoxicstagewasaddedintheprocess,andthusmakingitefficientindenitrification.Theoperationforonemoreyearsshowsthatthesystemissteadyinoperationandlowinmaintenance,withgoodeffluentqualitythatcanbeusedasdomesticmiscellaneouswater.Keywords:membranebioreacter;wastewaterfromairport;reclamationandreuse,2700m3/d,1:COD445mg/L,BOD5189mg/L,SS336mg/L,NH3-N23mg/L,pH=6921MBR,0.1m,,48g/L,,,1Fig.1Flowchartofthesystem1921120051CHINAWATER&WASTEWATERVol.21No.1Jan.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.11Tab.1ThedesignparametersofmainstructureMBRHRT/h0.28.04.07.55.0/(mmm)4.03.07.0249.55.013.59.55.0229.55.0169.55.09.52.55.03,,(),;MBRA(),(11)NH3-NDO0.5mg/L,,,,,,,,90%,90%4,(2)GB/T1892020022Tab.2TheinfluentandeffluentqualitySS/(mgL-1)COD/(mgL-1)BOD5/(mgL-1)pH/(mgL-1)/(mgL-1)/(mgL-1)/(104L-1)207320100.27.3937.113.231.282.441407.345.70.140.2730,0.78/m35MBR,,:[1].[J].,2002,34(22):11-15.[2]GanderM,JeffersonB,JuddS.AerobicMBRsfordo2mesticwastewatertreatment-areviewwithcostconsid2erations[J].SeparationandPurificationTechnology,2000,18:119-130.[3],,,.MBR[J].,2002,35(8):4-6.[4].[M].:,2001.[5]SheikholeslamiR.Foulingmitigationinmembranepro2cesses[J].Desalination,1999,123(1):45-53.:[phone]E-mail:[e-mail]:2004-08-1529121©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.