Fenton氧化深度处理焦化生化出水的研究操卫平

6EFenton*610041Fenton。pH=4、H2O2600mg/L、H2O2Fe2+2.5、60minCOD162mg/LFentonCOD100mg/LCOD40%GB8978-1996。FentonX703.1Adoi10.3969/j.issn.1003-6504.2010.6E.0801003-6504(2010)6E-0305-04AdvancedTreatmentofbio-treatedcokingeffluentbyFentonOxidationCaoWei-ping*,XuShi-rong,ChenHong-lin,FengYu-junChengduInstituteofOrganicChemistry,ChineseAcademyofSciences,Chengdu610041,ChinaAbstractFenton'sreagentoxidationwasusedtotreattheeffluentofbio-treatedcokingwastewaterfromalargeiron&steelcompany.TheeffectsofinitialpHvalue,dosagesofH2O2andFeSO4,aswellasreactiontimewerestudied.Itwasfoundtheoptimaloperationparametersare:CH2O2=600mg/L,H2O2m/Fe2+m=2.5,theinitialpH=4andthereactiontimeis60min.Undersuchoptimalconditions,CODoftheeffluentcouldbereducedtolessthan100mg/L,correspondingtoabout40%ofremovalratewhichmetclass1ofIntegratedWastewaterDischargeStandard(GB8978-1996).KeywordscokingwastewateradvancedtreatmentFenton'sagentoxidation2009-12-012010－02－04“”2008ZX07208-004-11978-,[e-mail]*。、、、[1]。、、、、、、、、、、[2]。、[3]。——A2/O100m3/h。COD7000mg/L、A2/OCOD150mg/L~170mg/LCODCOD100mg/LGB8978-1996。AOP[4]。。、、[5]。Fenton[6]。FentonEnvironmentalScience&Technology336E20106Vol.33No.6EJune201033Fenton。11.1——A2/ONH3-N、pHGB8978-1996,1COD150mg/L~170mg/L50%COD。1.2pHFentonFeSO4·7H2OH2O2COD。1.3FeSO4·7H2OARH2O230%AR。1.4COD[7]TOC—pH。22.1pHCODpHFenton。1pHFentonCODCODpH=3pH=4COD41.8%39.1%。pHpH110FentonpH4。2.2FeSO4·7H2OFentonFentonFeSO4·7H2O。Fe2+·OH。Fe2+H2O2·OHH2O2·OH·OH·OHH2O2H2O2[8]Fe2+·OH·OH。Fe2+COD。FentonH2O2Fe2+[9]。H2O2450mg/LFeSO4·7H2OFenton2。FeSO4·7H2O900mg/LCOD41.5%mH2O2/mFe2+=2.5。COD=151mg/LFentonCOD100mg/LGB8978-1996。2.3H2O2FentonH2O2CODH2O2H2O2FentonmH2O2/mFe2+=2.5H2O2COD3。H2O2H2O2CODCODH2O2H2O2600mg/LCODH2O2750mg/LCOD。CODmg/LNH3-Nmg/Lmg/LpH～7000～10000～1000～95000~6000100~200300~5007~8150~170＜10＜0.56~7＜100＜15＜0.56~913066E,FentonH2O2H2O2·OHCODH2O2H2O2·OHH2O22·OH+H2O2→H2O+O2H2O2Fe2+Fe3+·OH[10]。H2O2FentonCODH2O2CODCODH2O2COD[11]。pH=4、COD=151mg/LmH2O2/mFe2+=2.5600mg/LH2O2COD97mg/L。2.4FentonFentonCOD4。。CODCOD。415minCOD。60minCOD40%COD162mg/LCOD97mg/L。COD60min。2.5CODTOCCOD、H2O2Fe2+COD[11]。FentonFentonTOC。CODTOCH2O25。FentonTOC112mg/LCOD151mg/LCOD。150mg/LH2O2TOC80mg/L。CODCOD80mg/LCOD70mg/LCOD20mg/L14%CODCOD。5H2O2TOC150mg/LH2O2H2O2COD。TOCFenton150mg/LH2O2TOC112mg/L30mg/L69.7%。3COD162mg/LFentonpH=4CH2O2=600mg/LmH2O2/mFe2+=2.5=60min。FentonCOD40%COD100mg/L30733259[][1]KSchwarzCMFoltz.JAmChemSoc,1957,79:3292-3297.[2]JTRotruck,ALPope,HEGanther,etal.Science,1973,179:588-595.[3]JTRotruck,ALPope,HEGanther,etal.Science,1973,179:588-595.[4]KPMcConnell,OWPortman.ProcSocExpBiol.Med,1952,79:230-235.[5]BDObermeyer,ISPalmer,OEOlson,etal.Halverson,Toxicol.Appl.Pharmacol,1971,20:135-142.[6]ADLemly.SeleniumAssessmentinAquaticEcosystems,2002,Springer-Verlay,NewYork:16-21.[7]YShibata,MMorita,KFuwa.Analyst.1985,1985:1269-1278.[8]KItoh,MChikuma,MNishimura,etal.Fresenius'Z.Anal.Chem,1989,333:102-12.[9]NOyamada,MIshizaki.Sci,1986,2:365-373.[10]UOrnemark,AOlin.Talanta,1994,41:67-71.[11]UOrnemark,AOlin.Talanta,1994,41:1675-1680.[12]UOrnemark,JPettersson,AOlin.Talanta,1992,39:1089-1095.[13]AAfkhamiand,TMadrakian.Talanta,2002,58:311-323.[14]TFerri,PSangiorgio.AnalChimActa,1996,321:185-190.[15]XPYan,MSperling,BWelz.AnalChem,1999,71:4353-4358[16]YCSun,JYYang.AnalChim,Acta,1999,395:293-301.[17]STanaka,MNakamura,HYokoi,etal.BunsekiKagaku,1986,35:116-120.[18]YHe,JMoreda-Pineiro,MLCervera,AOlin.AnalAtSpectrom,1998,13:289-296.[19]OYoshii,KHiraki,YNishikawa,etal.BunsekiKagaku,1977,26:91-99.[20]YNakaguchi,KHiraki,YTamari,etal.Anal.Sci,1985,1:247-255.[21]TIshikawa,YHashimoto.Bunsekikagaku,1988,37:344-352.[22]SJSantosa,NSato,STanaka.Anal.Sci,1993,9:657-663.[23]HTao,JWHLam,JWMclaren.JAnalAtSpectrom,1993,8:1067-1073.[24]DTanzer,KGHeumann.AnalChem,1991,63:1984-1989.[25]SMGallus,KGHeumann.AnalAtSpectrom,1996,11:887-899.[26]KOishi,TOkumoto,TLino,etal.T.ShirasakiandNfu－ruta,SpectrochimActa,1994,49B:901-915.[27]YOkamoto.JAnalAtSpectrom,1994,9:745-752.[28]JYoshinagaTShirasakiKOishi,etal.AnalChem199567:1568-1577.[29]TShirasaki,JYoshinaga,MMorita,etal.TohokuJExpMed,1996,178:81-86.[30]MOhata,TIchinose,NFuruta.Analchem,1998,70:2726-2730.[31]IUPAC.PureApplChem,1998,70:217-225.GB8978-1996。CODH2O2、Fe2+Fenton。TOCFenton150mg/LH2O2TOC112mg/L30mg/LH2O2TOCH2O2COD。[][1],,.[M].,2007.[2],.[J].,1992,5(5):1-9.[3],,.[J].,2002,(3):43-44.[4],,.[J].,2009,29(9):11-14.[5],,.O3、H2O2/O3UV/O3[J].,2009,3(3):501-505.[6]GuedesAMFM,MadeiraLMP,BoaventuraRAR,etal.Fentonoxidationofcorkcookingwastewater-overallki－neticanalysis[J].WaterResearch,2003,37(13):3061-3069.[7].[M].,:,2002.[8]DeLaatJ,GallardH,AncelinS,etal.ComparativestudyofoxidationofatrazineandacetonebyH2O2/UV,Fe(III)/UV,Fe(III)/H2O2/UVandFe(II)orFe(III)/H2O2[J].Chemosphere,1999,39(15):2693-2706.[9]LinSH,LinCM.Operatingcharacteristicsandkineticstud－iesofsurfactantwastewatertreatmentbyFentonoxidation[J].WaterResearch,1999,33(7):l735-l741.[10],,.Fenton[J].,2000,21(3):93-96.[11],,.CODH2O2[J].,2003,16(5):17-20.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!308