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(1.,200092;2.,200237):,,/,,,CODBOD5NH3-N:;;:X703.1:C:1000-4602(2004)11-0055-03CatalyzedIronInternalElectrolysis/Bio2filmProcessforChemicalWastewaterTreatmentLIUJian1,MALu2ming1,LAIShi2hua2(1.NationalEngineeringResearchCenterforUrbanPollutionControl,TongjiUniversity,Shang2hai200092,China;2.SchoolofResourceandEnvironmentalEngineering,EastChinaUniversityofScienceandTechnology,Shanghai200237,China)Abstract:Thechemicalwastewaterisdifficulttotreatduetocontainingrefractorybiodegrad2ablesubstancesandinhibitorysubstancestobiomass.Astudywasmadeonchemicalwastewaterfromanindustrialzonetoinvestigatethetreatmenteffectofcatalyzedironinternalelectrolysis/suspendedcarrierbio2filmprocess,andtocompareitwithcurrentprocess.Theresultindicatesthatcatalyzedironinternalelectrolysiscanimprovebiochemicaltreatability,andtheremovaleffectofwholeprocessonCOD,BOD5,NH3-N,andcolorisimprovedsignificantlyascomparedwiththecurrentprocess.Keywords:catalyzedironinternalelectrolysis;suspendedcarrierbio2filmprocess;chemicalwastewater:(863)(2002AA601270);1111,80%,,,1,1,PVC,10L,,,;()51,,;,552004Vol.20CHINAWATER&WASTEWATERNo.11()203526COD(mg/L)203.5869.9382.9BOD5(mg/L)136288166NH3-N(mg/L)21.132.026.4PO3-4(mg/L)1.54.82.9()16256711Fig.1FlowchartoftreatmentprocessPVC,=80cm40cm40cm,25cm,80L,É50mm50mm,344m2/m3,0.960.99g/cm3,40%,201,16h,,1.3g/L,0.41gCOD/(gSSd),4mg/LSBR,24h,16h112COD:;BOD5:;:YSI;pH:pHS3;:1052h;NH3-N:;NO-3:;PO3-4:;:2211CODBOD5CODBOD5232CODFig.2VariationofCODincontinuousflowtest3BOD5Fig.3VariationofBOD5incontinuousflowtestCOD64.7mg/L,81.8%,42.1%,67.3%;BOD520.1mg/L,45.8%,76.6%,87.2%COD84.2mg/L,69.8%;BOD531.2mg/L,74.4%,CODBOD5,,CODBOD5,,,212pH,652004Vol.20No.11(OH)3,213NH3-N,2.6mg/L,90.0%,4.1mg/L3.0mg/L16.9mg/L(3.4%),,,:87%,214PO3-4pH,61.3%63.1%,1.1mg/L1.6mg/L,215,56.0%29.4%69.0%,22,3,,,pH,,,:[1],,,.[P].:1382649A,2002-04-09.[2]Tak2HyunKim,ChulhwanPark,JinwonLee.Pilotscaletreatmentoftextilewastewaterbycombinedprocess(flu2idizedbiofilmprocess2chemicalcoagulation2electrochemi2caloxidation)[J].WaterRes,2002,36:3979-3988.[3].(3)[M]..,1998.:(021)65900278E-mail:new-sword@126.com:2004-05-262005()2005,16,96:52-225,BM1656,(),:45,:710054,:(029)85542621,83188501,:(029)83188625,E-mail:chinaaci@bylink.com.cn,:,:,:3700023009088205773752004Vol.20No.11