隔油气浮两段生化法处理炼油厂含油废水

//1,2,3,4(1.,266071;2.,243002;3.,256410;4.,243051)://(CASS+BAF),COD98.1%98.75%99.2%,COD15mg/LNH3-N1.0mg/L,(GB89781996):;;;;CASS;:X703:C:1000-4602(2010)02-0064-04TreatmentofOilyWastewaterfromOilRefinerybyOilSeparation/Floatation/Two2StageBiochemicalProcessHANGuo2yi1,ZHENGJun2,WANGZheng2shou3,NINGLiang4(1.EastChinaDesignBranch,ChinaPetroleumEngineeringConstructionCorporation,Qingdao266071,China;2.SchoolofArchitecturalEngineering,AnhuiUniversityofTechnology,Maanshan243002,China;3.ShandongHuifengPetrochemicalCo.Ltd.,Zibo256410,China;4.HuaqiEnvironmentProtectionScienceandTechnologyDevelopmentCo.Ltd.,Maanshan243051,China)Abstract:Theoilseparation/floatation/two2stagebiochemicalprocesswasusedtotreatoilywastewater.TheactualoperationresultsindicatethattheaverageremovalratesofCOD,NH3-Nandpe2troleumoilsbythecombinedprocessare98.1%,98.75%and99.2%respectively.Theaverageefflu2entCODandNH3-Narelessthan15mg/Landabout1.0mg/L,whicharesuperiortothefirstclasscriteriaspecifiedinIntegratedWastewaterDischargeStandard(GB8978-1996).Keywords:oilwastewater;oilseparation;airfloatation;two2stagebiochemicalprocess;CASSprocess;biologicalaeratedfilter1997,,,:;,COD,BOD5,;;;,,//1300m3/h,1(GB89781996)4626220101CHINAWATER&WASTEWATERVol.26No.2Jan.2010©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mgL-1)BOD5/(mgL-1)/(mgL-1)/(mgL-1)/(mgL-1)/(mgL-1)pH120025004501000803050691003010151.00.569221111Fig.1Flowchartoftreatmentprocess,,,,,,20%30%,,,CASS,CASSCOD,,CASS(BAF)212,,,,;,2,,3000m3,HRT10h100mg/L,,;,4,25m4.5m3.0m,,2h,50mg/L,,,,,,,2,HRT30min,20mg/L,30%40%0.4MPa,,,,3,HRT40min,10mg/L,,COD,56://262©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(kgMLSSd),COD0.20kg/(kgMLSSd),NH3-N0.10kg/(kgMLSSd)CASS,COD100mg/L,NH3-N50mg/LBAFBAF,,[1];[2],[3];,BAF,8,,,4,3.0m,7m7m7m,,NH3-N0.3kg/(m3d),HRT1.96h,1.53m3/(m2h)BAF,(GB89781996),3DCS,2(1),22Tab.2Maininstruments1422(Continued)3(DO)8COD1()5()232UPS6kVA1DCS()14200810,,100%,(GB89781996)33Tab.3AverageeffluentqualityofeachunitmgL-1COD800805007608010073076506807518650736590656CASS85405BAF151.0444Tab.4Consumptionofmainmaterials/(m3h-1)1.0/(m3h-1)1.5/(104kWha-1)290(PAM)/(ta-1)7.2(PAC)/(ta-1)288Na2CO3/(ta-1)100/(m3h-1)50/(m3h-1)201.104kWh/m3,0.7/(kWh),0.773/m3a.PAM2.739g/m3,PAM16000/t,PAM0.044/m3;b.109.6g/m3,PAC2000/t,PAC0.219/66262©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(GB89781996),1.08/m3,,:[1],,.[M].:,2002.[2].UBAF[J].,2005,25(3):66-68.[3],.[J].,2006,(2):26-28.:13305551660E-mail:[e-mail]:2009-10-092010()1985,,,,2008(300),,2009(),,26130.57520,,,,()24,16,112(),:12.50/,:300:6-86,2010,,,240:5221(300070):022-2783545027836225:022-27835592:022-2783563927835592:022-27835592:022-27832819E-mail:[e-mail]:://262©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.