AO与BAF联用处理炼油废水

A/OBAF,,(,100081):,/(A/O)(BAF),,GB89781996,4.02/m3:;/;:X703.1:C:1000-4602(2004)09-0078-03CombinedAnoxic/OxicandBiologicalAeratedFilter(BAF)ProcessforTreatmentofRefineryWastewaterXIAOWen2sheng,XUWen2guo,YANGJie2cai(SchoolofScience,BeijingInstituteofTechnology,Beijing100081,China)Abstract:Theeffluentwasalwaysoutofstandardduetouseoftheconventionalrefinerywastewatertreatmentprocess.CombineduseofA/OandBAFprocessachievedbettereffect,witheffluentqualitycominguptoorsuperiortoI2gradedischargestandardforsecond2classpollutantsspecifiedinGB89781996,andwatertreatmentcostwasonly4.02yuan/m3.Keywords:refinerywastewater;A/Oprocess;BAF,//,,GB89781996A/OBAF,GB89781996,1,180m3/h,200m3/h:pH69COD1500mg/LBOD5800mg/LNH3-N80mg/L8001500mg/L50mg/L95mg/L211Fig.1Flowchartofwastewatertreatmentprocess:A/OCOD0.75kg/(m3d),NH3-N0.057kg/(m3d),200%,50%100%;BAFCOD1.43kg/(m3d),61,,25L/(m2s),8.89L/(m2s)3,,872004Vol.20CHINAWATER&WASTEWATERNo.9中国城镇水网(),,A/OCODBOD5,,BAF,,,,,4,,,22.5m4.5m2.0m,2h,,,100m3/h,3kW,,,16.4m4.5m2.0m,18m3,11min,1hA/O,,,21m9m6.15m,29m7m6.0mBAF,,,5m7m6m,,520043,A/O,,,50%BAF3,,15d,BAFCOD70%,11Tab.1Theeffluentqualityofeachsectionmg/LSSCOD707601100850865060400700202020A/O1510512080.55BAF330351.50.040.25,A/OBAF90%200432242BAF,2,GB897819962BAFTab.2TheeffluentqualityofBAF(mg/L)SS(mg/L)COD(mg/L)(mg/L)(mg/L)(mg/L)pH3221.0030240.950.0110.3016.633231.1224201.040.0140.2516.223241.6238371.630.0460.4016.023251.7625311.770.0236.043265.3632352.170.0296.253273.2131341.970.0600.1606.473282.8531411.640.0140.1606.053293.1526351.640.0176.313303.8528361.330.0510.2406.273314.8535351.220.0230.1806.38413.5533351.330.0180.1606.47424.3522411.640.0140.1606.056()3.0/a,67.5/a,104.0/a,220.0/a,48.0/a,15/a,192/a,649.5/a,180104m3/a,3.6/m3,2104t,500/t,1000/a,350.5/a,2500,7.17,A/OBAF,GB89781996,,972004Vol.20No.9中国城镇水网:[1].[J].,2003,23(7):4-7.[2].[J].,2002,28(2):52-55.[3].COD[J].,2001,(3):1-5.:[phone]E-mail:[e-mail]:2004-05-24,,,,11,:Z1=1,Z2=50,,,,,,,,,,,,,(),,,(),,GB77884,()082004Vol.20No.9中国城镇水网