Fenton试剂氧化法对染料中间体废水的深度处理任国栋

Vol.30,No.6,2011201130628-3052WaterPurificationTechnology、、、、。。Fenton、、。[1]、。、、Fenton。11.1、、CODCr187.5mg／L1085。1.2500mL200mLpH2.8g／LFe2+27.2g／LH2O2。107r／minpH10107r／min30min0.1g／LPAM2mL2min10min。1.3COD5B-3FpHpHS-2FpHSD-2。22.1FentonFenton112121．2000922．200092、、Fenton。CODCr187.5mg／L、1085CODCr59.2mg／L68.4%12988.1%。FentonTU992.3B1009-0177201106-0028-04AdvancedTreatmentofDyeIntermediateWastewaterbyFentonReagentOxidationPro－cessRenGuodong1,WeiHongbin1,TangXiuhua2,ZhangYing1,ChenLiangcai2(1.CollegeofEnvironmentScienceandEngineering,TongjiUniversity,Shanghai200092,China;2.ShanghaiZhongyaoEnvironmentalProtectionIndustryCo.,Ltd.,Shanghai200092,China)AbstractOnthebasisoftheactualdyeintermediatewastewatertreatedbyiron-catalyzedinternalelectrolysis,hydrolytic-acidifi－cationandaerobicbiochemicalprocess,theefficiencyandinfluencingfactorsinadvancedtreatmentbyFentonreagentoxidationpro－cesswereinvestigated.WhentheinfluentCODCris187.5mg／Landthecoloris1085times,theeffluentCODCrisdecreasedto59.2mg／L,itsremovalratesbeing68.4%,andcolorisdecreasedto129times,itsremovalratesbeing88.1%.KeywordsdyeintermediatewastewaterFentonreagentoxidationadvancedtreatmentinfluencingfactors[]2010-11-26[]1986-。[e-mail]。28--WATERPURIFICATIONTECHNOLOGYVol.30,No.6,2011December25th,2011pH330℃、H2O2204mg／L、Fe2+28mg／LFenton1。1Fenton。CODCr187.5mg／L、1085、pH30.5hCOD68.4%CODCr59.2mg／LpH8.3CODpH《-》GB／T19923—200588.1%129《》。COD。2.2Fenton2.2.1pHCOD30℃、2h、H2O2204mg／L、Fe2+33.6mg/LpHCOD2。21pHCOD。2pH5pH5pH5COD22pH5COD。3pH3COD。pH3。FentonH2O2·OH[2-3]Fe2++H2O2→Fe3++OH-+·OH1Fe2++·OH→Fe3++OH-2Fe3++H2O2→Fe2++HO2·+H+3Fe3++HO2·→Fe2++O2·+H+4pH·OHpHFeOH3·OHFentonpH34Fe3+Fe2+Fenton[4]。2.2.2FeSO4COD30℃、2h、pH3、H2O2204mg／LFe2+COD3。31Fe2+22.4mg／L44.8mg／LCODFe2+28mg／LCOD。2Fe2+。Fe2+22.4mg／L44.8mg／L。3Fe2+28mg／L。1FentonFig.1AdvancedTreatmentEffectofDyeIntermediateWastewaterbyFentonReagentOxidationProcess1200100080060040020002001601208040000.511.522.53／hCODCr／mg·L-1／COD2pHCODFig.2EffectofpHonRemovalofCODandColor1008060402023456pH／%COD3FeSO4CODFig.3EffectofFeSO4DosageonRemovalofCODandColor10080604020202530354045FeSO4／mg·L-1／%COD24.4,59.228,7033.6,66.739.2,64.244.8,59.328,87.322.4,87.139.2,88.833.6,87.144.8,88.329--Vol.30,No.6,2011.FentonFe2+1·OHFe2+2·OH34Fe3+Fe2+FentonFenton[5]。2.2.3H2O2COD30℃、2h、pH3、Fe2+28mg／LH2O2COD4。4H2O268~204mg／LCODH2O2204mg／LCOD。1H2O2·OH。H2O2204mg／L。2.2.4COD30℃、pH3、Fe2+28mg／L、H2O2204mg／LCOD5。5Fenton0.5h。0.5h。2.2.5COD0.5h、pH3、Fe2+28mg／L、H2O2204mg／LCOD6。6COD。20~40℃COD40℃COD。。Fenton[6]。20℃。H2O2O2H2O。20℃。3Fenton、。FentonpH3、Fe2+28mg／L、H2O2204mg／L、0.5h、20℃。CODCr187.5mg／L、1085COD68.4%CODCr59.2mg／L524H2O2CODFig.4EffectofH2O2DosageonRemovalofCODandColor1008060402050H2O2／mg·L-1／%COD240,93.9100150200250300350272,92.9204,91.3136,81.568,42.3340,83.3272,78.3204,78.3136,65.868,53.35CODFig.5EffectofReactionTimeonRemovalofCODandColorCOD10080604020000.511.522.5／h／%6CODFig.6EffectofReactionTemperatureonRemovalofCODandColorCOD100806040202030405060／／%30--Vol.30,No.6,201130pH8.3CODpH《-》GB／T19923—2005129《》。1,,,.[J].,2010,26(23):86-87.2,.Fenton[J].,2005,24(3):51-54.3,.UV／TiO2／FentonB[J].,2007,26(5):52-54.4,,．Fenton[J].2001,27(3):11-145,.Fenton-[J].,2009,28(5):39-42.6..,.Fenton[J].,2010,26(3):93-95.31GreenOrigio60~150L／hCOD87%~93%A。260L／h15.76%。TPGreenOrigioTP15.76%41.33%~52.52%3。。4。、。1,,.[J].,2011,30(2):5-9,13.2,,,.[J].,2010,29(5):17-21,41.3.[D].:,2007.4GB18918,[S].5LuzE.de-Bashan,YoavBashan.Recentadvancesinremovingphosphorusfromwastewateranditsfutureasfertilizer[J].WaterRes.,2004,38,4222-4246.25.0020.0015.0010.005.000.00H／cm1357911131517192123252729313335373941434547495112-1812-2212-1912-2312-2012-1712-216Fig.6AuantityandHeightofGrownPontederiacordata.“GreenOrigio”52--