表曝法处理化工废水的运行参数与分析

123(1.,430074;2.,4300743.,430010):,CODBOD5.BOD5,,,,.:;;:X703:A:1000-5730(2002)02-0090-03,.2412000m3,40kW1.5m,.(1616)m24,1.9m.,,,.1a..CODBOD5,(1).b..CODBOD52.BOD5COD,1()m3/d15.91037.510328.11036.91022COD,BOD5()/mgL-1/mgL-1/mgL-1/%COD12882122123081.222188115419182.5BOD51171172643.293.92128065040.793.4COD=1.61BOD5+150.99,BOD5COD0.40.9,0.588.9%,0.50.6570%.c.1.1:2001-06-05.:(1954-),,;,(430074).192()Vol.19No.220026J.ofHuazhongUniv.ofSci.&Tech.(UrbanScienceEdition)Jun.2002©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.22.1BOD5BOD5[1],=K1Xt/(K1Xt+1),,BOD5;t(h);X(g/L);K1BOD5(L/gh).(X,tBOD5)K1.539[2],K1=K201.055t-20,K20K20=0.238L/gh.2.2a..,3.3NS/kgtw/r(O2)/mg(mgh)-10.3965.9610-30.3999.0810-30.39111.1310-20.39141.410-20.39192.2010-20.39283.5610-23NSBOD5(kg),r(O2)(mg).,r=r201.076t-20,,r2020,20,0.55mg.b.4.420NS/kg20m(O2)/kgd-100.0670.2720.2810.2930.3230.4430.48520,[3]m(O2)=0.92BOD5+0.057VSS,4,m(O2)20(kg/d);BOD5BOD5(kg/d);VSS(kg);0.92;0.057.c..,700mg/L.300mg/L,300mg/L(2),.,;,[2].22.3a..D=1.5m,12,34cm,5.5/ms-1/kgh-1N/kW(O2)/kg(kWh)-13.6017.116.71.023.9626.320.31.304.3233.325.71.304.9556.637.71.505(O2)(kg).b.6,0.800.91.6KLa/h-1KLa/h-1Th/O2q/mgL-1O2h/mgL-113.2511.821510.159.80.890.9711.116.90169.959.00.620.9114.4010.85218.998.40.750.9315.7211.63278.077.20.740.8922.3522.19297.776.70.990.86:Th;O2q;O2h.192:©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2.47,VSS=0.35BOD5-0.010VSS,,VSS(kg/d);0.35;0.01.7Vss.7NSBOD5/kgd-1Vss/gL-1VSS/kg/kgd-1VSS/kgd-10.12628121.864223686950.0310.17268653.3322998018320.0610.25880602.6183141622970.0730.326109102.7853341836000.1083a..:E1=1912949/a;E2=1645200/a()+377000/a()=2022200/a;E3=70/a;E4=60/a.9600m3/d;E=5235149/a;1.49/m3.b..E5102/a,0.29/m3.c..1.78/m3.4a.,BOD5,.b.,300mg/L,;,.COD2000mg/L,BOD51000mg/L,,,.c..d..[1].[M].:,1986.[2].()[M].:,2000.[3].[J].,2002,(1):28-30.OperationParameterandAnalysisonSurfaceAerationProcessTreatingChemicalIndustryWastewaterWANGXiao2hua1XIEQing2jie2QIANWang2xin3(1.CollegeofCivilEng.&Mechanics,HUST,Wuhan430074,China2.CollegeofEnvir.Sci.&Eng.,HUST,Wuhan430074,China3.Central&SouthernChinaMunicipalEng.&ResearchIns.,Wuhan430010,China)Abstract:Basedonthemonitoringdatainfullscaleoperationfortreatingthewastewaterfromworkshopsproducingpolestar,polyamideandpolymericrubberinYueyangchemicalplantbysurfaceaerationprocess,limitvaluesofCODandBOD5areobtained.FromthecalculationequationsofcoefficientofBOD5reduction,oxygendemand,oxy2gensupplyandgrowthrateofactivatedsludgeareputout.Averagevaluesofandofmixingliquidaremea2sured.AlimitvalueofNH+42Neffectingtoactivatedsludgeismeasuredintheexperiment.Theoperationcosttotreatthewastewateriscalculated.Allofabovemaybeusefultothedesignandoperationofthesamekindengineer2ingforwastewatertreatment.Keywords:surfaceaeration;wastewaterofchemicalindustry;operationparameters29()2002©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.