Fenton法处理反渗透浓缩液的研究郭琇

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ResearchontheconcentratedsolutionofreverseosmosisbyFentonGuoXiu1,2,SunHongwei2(1.SchoolofChemistryandChemicalEngineering,SunYat-senUniversity,Guangzhou510275,China;2.DepartmentofEnvironmentandEngineering,ZhongkaiUniversityofAgricultureandEngineering,Guangzhou510225,China)Fenton1,2,2(1.,510275;2.,510225)[]Fenton,:UV,;UV+H2O2++,pH=3,COD30%,;+,。,。[];Fenton;[]X703.1[]A[]1005-829X(2010)10-0064-03Abstract:Fentonprocesshasbeenusedfortreatingtheconcentratedsolutionofreverseosmosis.ItshowsthatusingUVsinglycouldnotremovetheorganismsfromwastewaterandchromaefficiently.ButusingtheUV,UV+H2O2+Fepowderandthree-dimensionalelectrode+Fepowderprocess,whenitspH=3,theCODremovalrateinwastewatercanreach30%,andquitegooddecolorizationresultcanbeobtained.Withthetimegoingon,thetreatmenteffectcanbeevenbetter.Basedonexperiments,theoptimaltreatmentparametershavebeenfound.Anditsreactionmechanismshavebeendiscussed.Keywords:advancedoxidationtechnology;Fentonprocess;concentratedsolutionofreverseosmosis(RO),、、、、、〔1〕。,,、,,,。Fenton,:Fenton、Fenton、Fenton。J.H.Fenton1984H2O2,,H2O2Fe2+(HO·),,,,〔2〕。。Fenton、、。11.1,2.0t/h,60%。,COD60mg/L,BOD10mg/L,70。:→→→→→/。COD150mg/L,BOD10mg/L,300,pH=7.2,,,,。1.21.2.1,1,,3010201010IndustrialWaterTreatmentVol.30No.10Oct.,201064--2010-10,30(10)4,30W,258.6nm,200L,4。1.2.2,H2O2,UVUV。UV、UV+H2O2+、+,。1.2.3pH,;,;,-;COD,。22.1UV4,(1A)UV125.8μW/cm2。UV,COD150、145mg/L,CODUV,2。2,UV,COD,10%,COD,,。2.2UV+H2O2+H2O2,4,(1A)UV125.8μW/cm2。,H2O20.07mmol/L,26mg/L,COD148、140mg/L,pH3、5,COD3、4。3、4:UV++H2O2,CODpH,pH=3CODpH=5。CODCOD,UV,Fe+H2O2,COD。pH=3,COD30%,,100,,HO·,,,〔3〕。2.3+,UV,15cm、1.5cm,26mg/L,COD151、143mg/L,pH3、5,COD5、6。5、6,+,CODpH,pH=3CODpH=5,UV+H2O2+,+COD,:Fenton65--2010-10,30(10)[](1975—),2003,,,。:13602434962,E-mail:hitgx@sohu.com。[]2010-05-15(),。CODCOD,COD<100mg/L,。3UV、UV+H2O2+、+3RO,,FentonROHO·,,COD,HO·,Fenton。UV,UVCODUVHO·,。UV+H2O2++,pHCOD,HO·,pHHO·,Fe(),pH3,,Fe()Fe(),,pHFe()Fe(),HO·〔4〕。pH,。UV+H2O2+,+:H2O2;,HO·,、。UV+H2O2++,,HO·,,。H2O2Fe2+,H2O2Fenton,〔5〕。4UV、UV+H2O2+、+,/Fenton、、、pH,。:pH3.0,UV+H2O2+,UV125.8μW/cm2,H2O20.07mmol/L,26mg/L,COD30%;+,26mg/L,COD30%,,。[][1],,.[J].,2003,23(5):65-68.[2],,,.Fenton[J].,2005,22(2):204-207.[3]ChamarroE,MarcoA,EsplugasS.UseofFentonreagenttoim-proveorganicchemicalbiodegradability[J].WaterResearch,2001,35(4):1047-1051.[4]YimB,YooY,MaedaY.Sonolysisofalkylphenolsinaqueousso-lutionwithFe()andFe()[J].Chemosphere,2003,50(8):1015-1023.[5],,.UV/Fe(C2O4)33-/H2O2[J].,2007,39(2):255-257.《》2011022-2668933126678212。。66--

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