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11.1,,,,1.6m3[1]。ETAD(),10%[2],2t。、、、,,、,[3],,。1.230%,60%[4],,,,,,。COD。,、、、,。1.2.1。,、、。2:[5]。、、、、、、、、pH、[6-7]。、,、,,,10%~15%。FENTON(,253034):BFenton,COD、、、pH、。:0.03mol/L,c(H2O2)∶c(Fe2+)≈20∶1,50℃,pH3.0,60min,COD62.32%。:Fenton;;;:X5:A:1674-4829(2009)S2-0063-05:2009-03-05:2009-08-15:(1984-),,,,,.TreatmentofPrintingandDyeingWastewaterbyFentonOxidationTechnologyLVYan-feiAbstract:ThedegradationexperimentofazodyeacidredBwastewaterbyFentonreagentwasperformed.TheeffectsofreactionconditionssuchasthedosageofH2O2andFe2+,initialpH,initialazodyestuffconcentration,reactiontemperature,reactiontime,thewaysofaddingH2O2andFe2+werestudiedintermofchemicaloxygendemand(COD)removalefficiencies.UndertheconditionofaddingH2O2(0.03moL/L),c[H2O2]:c[Fe2+]≈20:1,50℃,pH=3.0,theremovalefficiencyofCODcanbeachievedtomorethan62.32%after60min.Keywords:Fenton;Azodyestuff;Advancedoxidationtechnologies;Mechanism222200912EnvironmentalScienceandTechnologyVol.22Supp.2Dec.2009200912①②③④⑤⑥⑦⑧⑨⑩、、,,,。1.2.22,。2,、,,[8]。、、,,、、pH、,,,,。,[9-15]。、、、、、,,,COD,,,,,,。1.2.3,,,。,,,,60%,。COD,,、、,。1.2.4Fenton1894Fenton,,,Fenton。Fenton,Fenton,,[16-17]。:Fenton,,CO2,H2O。COD。。,,。,:①·OH,,;②·OH,CO2,H2O;③·OH,;④·OH,。1.3,,,,、,,、、、、、,、,,、、,,,:1.3.1,、、、,,。1.3.2,,,,,,,H2O2+Fe2+→·OH+Fe3+OH-k1=76±1.9[mol/(L·s)]·OH+Fe2+→Fe3++OH-·OH+H20→H20·+H20·OH+HO2→H20+O22HO2→H2O2+O2Fe2++HO2→Fe(HO2)2+Fe3++O2·→Fe2++O2Fe3++HO2→Fe2++O2+H+·OH+O2·→OH-+O22·OH→H2O264222FENTON、、、,。1.3.3COD、、、、,,,COD,ρ(BOD)/ρ(COD),0.2~0.4,。,,(、)、(、)、,,、、,,COD、,。Fenton(AdvancedOxidationTechnologies,AOTs),,,:,,,、,(WAO)、(SCWO),、、、、、。22.12.1.1722();FT204();TG328A();pHpHS-3C();HT-3()。2.1.2B();();();();();();()。2.250mL250mL,pH,,,,,,H2O2,,pH8~9,,COD。COD。2.3pHpH;COD;H2O2。2.4,Fenton,。,,FentonpH3.0,,pH3.0,,H2O2Fe2+、4,B,2。33.1,/min15304560301560454560153060453015/℃2540506050602540605040254025605012345678910111213141516c(H2O2)/(mol·L-1)0.010.010.010.010.020.020.020.020.030.030.030.030.040.040.040.04c(Fe2+)/(mmol·L-1)11.52411.52411.52411.524COD/%48.5049.7350.1050.7851.2555.3656.4155.4358.6062.3259.6358.4258.4557.1556.4252.2326520091280604020000.010.020.030.040.05/%0.91.11.31.51.71.9/%806040200c(Fe2+)/(mmol·L-1)c(H2O2)/(mol·L-1)706050403020100020406080t/℃/%:,H2O2COD,,,,:c(H2O2)c(Fe2+),A3B2C4D3,c(H2O2)0.03mol/L,c(H2O2)∶c(Fe2+)≈20∶1,10COD,A3B2C4D3,COD62.32%。3.23.2.1H2O2CODH2O2,。c(Fe2+)1.50mmol/L,pH3.0,60min,50℃。CODH2O21。1H2O2COD1:H2O2COD,H2O2,COD,COD,CODH2O2,H2O20.01~0.03mol/L,H2O2,COD,H2O20.03mol/L,H2O23COD。3.2.2Fe2+CODFe2+,。H2O20.03mol/L,pH3.0,60min,50℃。CODc(Fe2+)2。2Fe2+CODFenton,,,,,,COD,,COD,1.50mmol/L,,COD,,COD,COD。3.2.3COD,。H2O20.03mol/L,pH3.0,60min,50℃,Fe2+1.50mmol/L,COD3。3COD3:50℃,Fenton,COD,50℃,COD,H2O2,,COD。3.2.4pHCODpH,。H2O20.03mol/L,60min,50℃,c(Fe2+)1.50mmol/L。CODpH4。4pHCODpHFenton,pHc(Fe3+)/c(Fe2+),pH3.0COD,pH80604020002468pH/%66222FENTON806040200020406080100t/min/%:,pH4.0~6.0,COD,pH7.0,COD,。3.2.5COD,。H2O20.03mol/L,50℃,pH3.0,Fe2+1.50mmol/L,COD5。5COD5,COD,60minCOD,,COD。4Fenton。,H2O2、Fe2+、、、pH,,:H2O20.03mol/L,c(H2O2)∶c(Fe2+)≈20∶1,50℃,60minFenton。,FentonCOD62.32%。[][1]FENTONHJ.Oxidationoftartaricacidinthepresenceofiron[J].ChemSoc,1894,8(1):899-910.[2]BISHOPDF,DTEMG,FLEISCHMANNM,etal.Hydrogenperoxidecatalyticoxidationofrefractoryorganicsinmunicipalwastewaters[J].I&ECProcessDesignandDevelopment,1968,7(1):196-201.[3]TRIPATHIHJ.Electrontransfercomponentinhydroxylradicalreactionobservedbytimeresolvedresonanceraamanspectroscopy[J].JAmChemSoc,1998,7(5):4161-4166.[4]SARIAA,PERALJ,DOMENECHX,etal.OxidationofS()toS()underFenton,photo-Fentonandr-FeOOHphotocatalyzedconditions[J].JMolCatal,1996,12(6):269-276.[5].[J].,1992,12(6):333-336.[6],,,.ClO2K-2G2BLN[J].,2001,20(1):16-20.[7],.[J].,2000,20(1):14-18.[8],,,.[J].,2000,20(6):772-775.[9]SLOKARYM,MARECHALAM.Methodsofdiscolorationoftextilewastewaters[J].DyesandPigments,l998,37(4):335-356.[10],,.Zeta[J].,1994,14(4):25-31.[11],.[M].1.:,2002:166-171.[12],,,.[J].,1999,11(5):25-29.[13],,,.[J].,1999,19(4):28-30.[14],,.FMA[J].,2000,20(1):19-21.[15],,,.JAZ[J].,1998,13(4):23-25.[17],.[J].,2001,18(3):133-136.[18].[J].,2001,27(4):233-235.[19],.[J].,2002,22(6):35-37.[20],,,.[J].(),1999,32(3):140-145.[21]WALLINGC,AMARNATHK.OxidationofmandelicacidbyFenton'sreagent[J].JAmChemSoc,1982(3):l085-1089.[22]KREMERML,STEING.Thecatalyticdecompositionofhydrogenperoxidebyferricperchlorate[J].TrandFaradaySoc,1959,55(3):959-973.()67
本文标题:FENTON氧化技术处理印染废水吕艳菲
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