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Fe-C+H2O2赵德明,史惠祥,汪大(浙江大学玉泉校区环境工程系,杭州 310027) :,,H2O2,H2O2Fe2+Fenton,OH·,OH·,,,。:;;;Fenton:X703 :A :1002-1264(2002)001-0032-03StudyonaTreatmentProcessbyMicrogalvanolysisandH2O2OxidationProcessforP-nitrochlorobenzeneWastewaterZHAODe-ming,SHIHui-xiang,WANGDa-hui(DepartmentofEnvironmentalEngineering,ZhejiangUniversity,Hangzhou310027,China)Abstract:P-nitrochlorobenzeneWastewaterhasbeenpretreatedbyanironscrapprocess,resultingintheconver-sionofP-nitrochlorobenzenetoP-aminochlorobenzene,FentonreagentoxidationprocessforthePCNBandP-aminochlorobenzenedegradationwasinvestigatedbyusingFe2+ascatalystandH2O2asoxidant.ResultsshowedthatundertheconditionsofH2O2=0.1ml/LandpH=5,thedegradationreactioncompletedwithin60minuteswithover100%ofPCNBandP-aminochlorobenzeneremoval.Keywords:P-nitrochlorobenzenewastewater; pretreatment; ironscrapprocess; fentonmethod ,、、、、。,,,,“”。EPA129[1-3]。,。,[4-5],H2O2,H2O2Fe2+Fenton,OH·,OH·,,,[6-9]。1 1.1 ,100mg/L,pH3.0,CODCr100mg/L,BOD5/CODCr0,。1.2 ,35～40,,1mol/L,。。2.0L1.0LFe-CpH,,,pH8-9,、。1.3 286nm,。CODCr。2 2.1 Fe-C2.1.1 1.0L,pH=3,(HCl30min),,15,30,45,60,75,90,105,120min,pH8～9,,。1。3215120022URBANENVIRONMENT&URBANECOLOGYVol15,No.1Feb. 2002 :2001-06-181 1,,1g/1.0L,,,,,,。,,。3g,。,3g/L。2.1.2 —pH1.0L,pH1、3、5、7、9、11,(HCl30min),,15、30、45、60、75、90、120min,pH8-9,,。2。2 pH2,pH,,,pH,。,,。,,,OH-,Fe(OH)2Fe(OH)3。:,2h,。,30min,2h,。,,pH。,,,,,。,。,pH3。2.1.3 —,-,,,,,。3。3 3,0.5g/1.0L。15,10,,。,,,,,,。,(),,。2.0g/L。2.1.4 1.0L,3g/L,pH3.0,2g/L,15min,pH,,,,,,。,,90min,。,80%,2.0h。2.2 +H2O2PCNB183mg/L;3g/L,pH3.0,2h,2g/L,33, Fe-C+H2O2 83%,PCNB31.1mg/L2.2.1 +H2O2pHH2O20.07mL/100mL,1h,pH。,,Fenton。pH7,。,,OH·,OH·,,,。,OH-OH·,OH-,Fe(OH)2,Fe2+H2O2。,pH5。2.2.2 +H2O2H2O2,pH5.0,1.0h,。,,,0.1ml/L,。,0.1ml/L,100%。,,,Fenton,,。2.3 ,80.0%,B/C0.27。,Fe2+、Fe(OH)2。Fe—C,,。—NO2,,,—NH2,,;,,,。Fe2+,H2O2,Fenton,Fe2+H2O2:·OH,,,,,。3 3.1 ,,,。,。3.2 Fenton,,。3.3 (1)Fe2+;(2)Fe2+。3.4 ,,Fenton,,。3.5 +H2O2。[1] PitterP.DeterminationofBiologicalDegradabilityofOrganicSub-stances[J].WaterRes.,1976,10:231-235.[2] StoverE.L.KincannonD.F.BiologicalTreatabilityofSpecificOrganicCompoundsFoundinChemicalIndustryWasterwater[J].J.WPCF,1983,55(1):97-10.[3] .[J].,1998,24(5):259-264.[4] ,.[J].,1997,17(5):52-56.[5] ,.[J].,1997,17(5):34-36.[6] ,.[J].,1994,16(3):74-76.[7] I.Casero.ChemicaldegradationofaromaticaminesbyFentonreagent[J].WaterRes.,1997,31(8):1985-1995.[8] EnricBrillas,EvaMur,RoserSauleda,etal.AnilinemineralizationbyAOP's[J].AppliedCatal.,1998,16:31-42.[9] ,.Fe2+—H2O2DSD[J].,1995,16(1):19-22.:(1976-),,,2001,。34 151 2002