Fenton氧化法处理造纸废水的研究

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INDUSTRIALWATER&WASTEWATERVol.47No.6Dec.,2016,,(,250013)、、、、[1],,,、、、,CODCr、,。Fenton,、、[2],。,Fenton,[3]、[4]、[5-6]、[7]。Fenton,,Fenton。11.1,pH7.4~7.9,CODCr420mg/L,128。1.2:H2O2(30%),FeSO4·7H2O,,,PAM,。:pH,,。1.3500mL500mL,pH,Fenton。,PAM,,CODCr。pH、FeSO4H2O2pHPAM,Fenton:Fenton,pH、FeSO4H2O2Fenton,pH。,FentonpH5.0,FeS-O4H2O22.00∶1,FeSO4500mg/L,H2O2250mg/L;pH,。CODCr85.5%,CODCr60mg/L,30。:;Fenton;;CODCr;:X793.031:A:%1009-2455(2016)06-0036-03Paper-makingwastewatertreatmentbyFentonoxidationprocessHUANGLi-zhu,ZHANGShen,CHENHua-dong(EnvironmentalEngineeringCo.,Ltd.ofShandongAcademyofEnvironmentalScience,Jinan250013,China)Abstract:UsingFentonoxidationprocesstotreatpaper-makingwastewater,theeffectofinitialpHvalue,thedosageofFeSO4andH2O2andtheratiothereofonFentonreactions,andtheeffectofthemixedliquidpHvalueonflocculation,wereinvestigated.Theresultsshowedthat,usingFentonoxidationprocesstotreatpaper-makingwastewater,theoptimalinitialpHvaluewas5.0,themassratioofFeSO4toH2O2was2.00∶1,thedosageofFeSO4andH2O2were500and250mg/Lrespectively.WhenthepHvalueofthemixedliquidwasclosetoneutral,theflocculationperformancewasbetter,theremovalrateofCODCrcouldreach85.5%.Themassconcen-trationofCODCrintheeffluentwaterwasnotabove60mg/L,theturbiditywaslowerthan30times.Keywords:paper-makingwastewater;Fenton;optimizedreactioncondition;CODCr;turbidityFenton·36·1Fig.1Buffercapacityofwastewater00.30.60.91.21.5/(kg·m-3)pH87654321FeSO4H2O2Tab.1DosageratiosofFeSO4toH2O2pHFeSO4/(mg·L-1)H2O2/(mg·L-1)1#1.405.03502502#1.435.05003503#1.505.04503004#1.675.05003005#2.005.05002506#2.305.05002202FeSO4H2O2CODCrFig.2EffectofdosageratioofFeSO4toH2O2onCODCrremoval1.401.431.501.672.002.30m(FeSO4)∶m(H2O2)ρ(CODCr)/(mg·L-1)100806040200/%10080604020。1.4CODCr,。22.1pHFentonFenton,pHFe2+H2O2·OH。FentonpH。,,pH,1。1,pH7.85,pH,7.0,pH,pH4.8,pH,pH4.8~7.0。pH4.0、4.5、5.0、5.54,,pH5.5,,,,;pH5.0,,,,,pH4.0~4.3;pH4.5,,,,,pH3.3;pH4.0,,,,。pH3.1。,pH4.55.0,Fenton。Fenton,pH,H+,Fenton,Fe2+·OH;pH,·OH,Fe2+Fe3+[8],pHH2O2,。,,pH5.0。2.2FeSO4H2O2CODCrFenton,H2O2Fe2+·OH,569.3kJ[9-10],。·OH,,FentonFeSO4H2O2,Fe2+,,·OH,。Fe2+,,Fe2+H2O2,·OH,·OH,。,Fenton。FeSO4H2O21,2、3。,,:Fenton·37·INDUSTRIALWATER&WASTEWATERVol.47No.6Dec.,20163FeSO4H2O2Fig.3EffectofmassratioofFeSO4toH2O2oncolorityremoval1.401.431.501.672.002.30m(FeSO4)∶m(H2O2)/50403020100/%100806040202pHTab.2EffectofpHvalueonflocculationperformancepHFeSO4/(mg·L-1)H2O2/(mg·L-1)PAM/(mg·L-1)15.0500350382.56152.325.0500300369.91112.835.0500250358.8992.5ρ(CODCr)/(mg·L-1)AB12,H2O2,FeSO4,CODCr,Fe2+,·OH,。,FeSO4500mg/L,H2O2,CODCr,Fenton,H2O2,,H2O2,CODCr[11],CODCr。H2O2,Fe2+Fe3+,H2O2·OH;H2O2,,。H2O2,·OH,,,。,CODCrFeSO4H2O22.00。13,Fenton,FeSO4H2O22.00,FeSO4500mg/L,H2O2250mg/L,30。2.3pHPAMFenton,。,pH。pH,。CODCr,2。A:FentonpH,PAM;B:FentonPAM,。pH2。2,3,AB,PAM,PAM,,。,H+,,,,,[12]。,pHPAM,PAMpH7.0~7.2,,PAM。,pH,PAM。,B,。3(1)pHFenton,,pH5.0Fenton,。(2)FeSO4H2O2Fenton,,2.00,FeSO4500mg/L,H2O2250mg/L,。(3)pHPAM(60)·38·INDUSTRIALWATER&WASTEWATERVol.47No.6Dec.,2016:(1985-),,,,,,()huanglizhu0708@163.com。:2016-06-30(),pH,。CODCr60mg/L。:[1],,,.APMP[J].,2013,34(12):42-44.[2],,.(Fenton)[J].,2012,(3):73-74.[3].--MBR-[J].,2013,44(3):71-73.[4],,.-Fenton[J].,2014,8(9):3601-3606.[5],,,.-FentonCOD[J].,2009,40(6):40-43.[6],,.[J].,2014,36(5):47-48.[7].[J].,2016,31(2):49-52.[8],,,.Fenton[J].,2000,21(3):93-96.[9],,.Fenton[J].,2001,27(3):11-14.[10],,,.Fenton-[J].,2011,42(5):15-19.[11],,,.FentonH[J].,2001,20(3):281-285.[12],,.[J].,2011,30(S1):230-234.(38)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!4,,,、,,,,、。,,,。:[1].[J].,2014,(6):107-107.[2].[D].:,2004.[3],.[J].,2012,(2):42-43.[4],,.YG[J].,2000,31(5):35-36.[5],,,.LLY[J].,1991,11(3):26-29.[6],,,.[J].,2002,33(1):13-15.[7].[J].,1995,15(4):114-117.2、Tab.2Comparisonofeconomicalbenefitsofefficientfiberfilterbeforeandaftertransformation/t20002500/(t·-1)1501007800t/a/(t·-1)/10010475104/(kW·h·a-1)/(a·-1)1300+2600*4910+1820*103510kW·h/a6.8/a/(·-1·-1)14.513.6:*15kW30kW:(1983-),,,,,,()0731-28303390()anan198365@163.com。:2016-07-04()·60·

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