Fenton试剂处理低浓度染料废水的实验研究

:1671-9662(2007)01-0021-02Fenton31,2,1,1,2(1.,066004;2.,300072):Fenton,COD,:97%,CODcr57%,,Fenton,:Fenton;;:X703:A0,,,,COD,,/,,,,,,FentonFe2+H2O2,Fe2+H2O2,,[1]Fenton,Feton,,COD11.1(1)BES,,400mg/l,,10002000,CODcr124mg/L1pH(2):H2O2(30%,),FeSO47H2O(),NaOHH2SO4pH1.2:DBJ-621,PHS-3CpH:500ml,pH,FeSO4H2O2,,COD,COD2Fenton,pHFe2+/H2O2,2.1pHFentonpH,pHOH,pHFe3+Fe2+Fe2+50mg/L,H2O21.8ml/L,45min,pHCOD,13:(Z004473):2006-12-10:(1973-),,,,16120071JournalofPingdingshanInstituteofTechnologyVol.16No.1Jan.20071:pH,97%,16;CODcr2,pH45CODcr,57.8%65.3%,CODcr38mg/lpH23,H2O2,pH1.72.0,pH,pH45,H2O2pH2.5,pH,pH45,,,2.2Fe2+50mg/L,H2O21.8ml/L,pH5.0,COD,22:,15min,CODcr,4555min,,57.8%16,CODcr47mg/L,,Fenton,,45min,,2.3Fe2+H2O2pH5.0,45min,mFe2+/mH2O21:40,333:Fe2+70mg/L,H2O22.5ml/L,,CODcr47mg/L,,CODcrFenton,Fe2+,H2O2,,;Fe2+Fe3+,Fe3+H2O2,H2O2[2]H2O2OH,H2O2,H2O2Fe3+,OHH2O2,OHOHH2O2HO2,H2O2,,OH,OH,[3]3FentonFeSO4200/t27.5%H2O21400/t,FentonFeSO40.038/m3,H2O23.92/m3,pH,4.2,3,Fenton,3.5,,Fenton4Fenton,98%99%,CODcr,50%70%pHCODcr,pH45,pH2.02.5,Fe2+H2O270mg/L2.5ml/L45min,4,CODcr47mg/L,,,,Fenton,Fe3+,pH,Fe(OH)3[1],,.PhotoFention[J].,2000,18(4):357-365.[2],,.Fenton[J].,2003(10):41-45.[3],,.FentonOH[J].,2003,4(5):12-13.(26)222007123(3):604-607.[6],,.[J].,2005,12(4):71-76.[7],.[J].,2004,17(2):32-35.[8]JoanGarcia,JoanVivar,MariaAromir,RafaelMujeriego.RoleofHydraulicRetentionTimeandGranularMediuminMicrobialRe2movalinTertiaryTreatmentReedBeds[J].WaterResearch,2003(37):2645-2653.[9],,.[J].,2003,23(7):1344-1355.ComparisonandapplicationoflandrequisitionindexusingartificialwetlandforsewagetreatmentLIXiang2yang1,2,HUHui1,LUOXian2qing2(1.HuazhongUniversityofScience&Technology,Wuhan430074,China;2.CCCCSecondHabourConsultantsCo.Ltd.,Wuhan430071,China)Abstract:Inthispaper,sometheoryformulae,experimentalresultsandprojectcasesarebrieflyanalyzed.Theindexscaleisprobedonthewastewatertreatmentsystem.Accordingtothepresentresearch,thetechnologycanbeusedintreatmentofsewagefromports,ex2presswayandoilywastewater.Thelandrequisitionindexofthesystemissuggestedbetween7.010.0m2/(m3.d).Keywords:artificialwetland;wastewatertreatment;landrequisitionindex(22)ExperimentalresearchontreatingreactivedyewastewaterbyFentonreagentSUNYing1,2,LEIZhao2wu1,GUOJing1,2(1.TheEnvironmentalManagementCollegeofChina,Qinghuangdao066004,China;2.TianjinUniversityEnvironmentalScienceandEngineering,Tianjin300072,China)Abstract:ThelowconcentrationdyeingwastewaterwastreatedbyFentonreagent.ThefactorsthataffecttheremovalefficiencyofcolorandCODofdyeswerediscussed.Theresultsshowthattheremovalefficiencyofcolorismorethan97%andtheremovalefficiencyofCODis57%.Byadjustingtheappropriatetechnicalparameters,therecyclingeffluentofthelowconcentrationdyeingwastewaterinin2dustrialproductionmaycreateeconomicandenvironmentalbenefits.Keywords:Fentonreagent;dyeingwastewater;oxidation2620071