Fenton法处理难降解有机废水的应用与研究进展张令戈

:1005-7854(2008)03-0096-06Fenton张令戈(大连市环境科学设计研究院,辽宁大连　116023)　:Fenton(AdvancedOxidationTechnologies,AOTs),Fenton、Fenton、E-Fenton(Fenton)。Fenton。:Fenton;;:X703.1　　:AAPPLICATIONANDSTUDYPROCESSONTREATMENTOFNON-DEGRADABLEORGANICWASTEWATERBYFENTONMETHODZHANGLing-ge(DalianMunicipalDesignandResearchInstituteofEnvironmentalScience,Dalian116023,Liaoning,China)ABSTRACT:Fentonmethodbelongstooneofadvancedoxidationtechnology.ItincludescommonFenton,photo-Fenton,E-Fenton,andsoforth.ThispaperreviewsthestudyoftheoxidationmechanismofFenton,theirapplicationandstudyonthetreatmentofnon-degradableorganicwastewater.KEYWORDS:E-Fentonmethod;mechanism;refractorynon-degradableorganicwastewater:2007-10-08:,,。　　,、、、、,,。、,。,,(AdvancedOxi-dationTechnologies,AOTs)。,、、、、,AOTCO2、H2O,,〔1-2〕。Fenton,,。1　Fenton法的机理及研究进展1.1　Fenton1.1.1　Fenton1894Fenton〔7〕,,,Fe2+/H2O2Fenton,Fenton。Fenton、,〔8-10〕。,17　320089　　　　　　　　　　　　　　　　　MINING&METALLURGY　　　　　　　　　　　　　　　Vol.17,No.3September　2008。1964H.R.EisenhouserFenton〔11-12〕,Fenton。,。Fenton、、、。(AdvancedoxidationProcess,AoPs),Fenton、、。FentonH2O2、、。,Fenton,Fenton,H2O2。,Fe2+H2O2Fenton,。FentonFe2+H2O2,Fe2+H2O2·OH。FentonFe2+H2O2Fenton。FentonFentonH2O2、H2O2、(·OH,,)。FentonFenton。1.1.2　Fenton〔13〕Fe2+Fenton。Fenton。,Fe2+,H2O2,,。:Fe2++H2O2Fe3++OH-+·OH(1)Fe2++·OHFe3++OH(2)Fe3++H2O2Fe2++H++HO2·(3)HO2·+H2O2O2+H2O+·OH(4)RH+·OHR·+H2O(5)R·+Fe3+R++Fe2+(6)R++O2ROO+……CO2+H2O(7)(MnO4-,ClO2),。OH-+H++e=H2O　　φθ=2.8V(8)·HO2、·OH,,。Fe2+H2O,·OH,Fe3+,Fe3+H2O,Fe2+,Fe2+H2O·OH,Fe2+。·OHRHR·,R·,,CODH2O,COD。,Fenton、、、,pH、Fe2+、H2O,。Fenton、,,。1.2　Fenton,(8),H2O2,:H2O2+hν※2HO·(9),Fe2+,Fe2+,H2O2。Fenton、、、、。,pH=3,Fe(OH)2+,,,。:Fe(OH)2+※Fe2++·OH(10)Fe2+,H2O2。Fe2+,Fe(OH)2+,Fe2+,:Fe(ROO)2+※Fe2++CO2+·R(11)·RO2,Fe2+Fenton,,〔14〕。〔15〕Fe2+H2O2,Fe2+H2O2Fe2+H2O2,·97·:Fenton⑽、⑾。〔16〕H2O2B,Fe2+/UVCu2+/UVFe2+Cu2+Mn2+/UVAg+/UV,H2O2,Fen-ton,Fenton,、。1.3　Fenton1.3.1　Fenton〔17-18〕2080,Fenton。HsiaoY,Fe2+H2O2,Fenton,H2O2pH,pHH2O2。HuangYaohuiFe2+H2O2,COD80%,O3、O3/H2O2、Fenton。BrillasEPtH2O2—2,4-D,2,4-D90%,Fenton,2,4-D。Brillas,pH=3,Fe2+H2O2,TiO2,Fenton,,。HsiaoY,,PtRVC,O2Fe3+,RVCFe2+H2O2,Fenton,。ChouShan,Fenton,Fe2(SO4)3Fe(OH)3Fe2+,Fenton。Fenton4:(1)EF—H2O2。Fenton,,H2O2,H2O2Fe2+Fenton。H2O2,,。、,,H2O2。(2)EF-Feox。。Fe2+,Fe2+H2O2Fenton。EF-Feox·OH,Fe(OH)2、Fe(OH)3,Fe2+、Fe3+Fe(OH)2、Fe(OH)3。EF-H2O2,H2O2,,Fenton。(3)FSR。Fe3+。FSRFentonFe(OH)3Fe2+。FentonFe3+,Fe3+H2O2·O2H,H2O2。FSRFe3+Fe2+,·OH。pH,pH1。(4)EF-Fere。FSR,EF-FereFenton,Fenton。pHFSR,pH2.5,FSR。EF-Feox、FSR、EF-Fere,Fenton。EF-H2O2H2O2,,H2O2,。H2O2Fe2+,H2O2Fen-ton。1.3.2　—FentonFenton,EF-H2O2EF-Feox,,,H2O2Fe2+,Fenton。,,〔19〕::FeFe2+　φθ(Fe2+/Fe)=-0.44V(12):4H++4e4H2H2(13)φθ(H+/H2)=0.00V:(1):O2+2H2O+4e4OH-(14)·98·　　φθ(O2/OH-)=0.41V(2),:O2+4H++4e2H2O(15)φθ(O2/H2O)=1.23V:(1),:O2+2H++2eH2O2(16)φθ(O2/H2O2)=0.67VH2O2+2H++2e2H2O(17)φθ(H2O2/H2O)=1.77V(2),:O2+H2O+2eHO2-+OH-(18)φθ(O2/HO2-)=0.065VHO2-+H2O+2e3OH-(19)φθ(HO2-/OH-)=0.867V,Fenton,,Fen-ton,。2　Fenton法在处理难降解废水中的应用〔20-32〕　　Fenton2060,EisenhauserllsFenton。1968BihorpFenton(),。,COD、H2O2Fe2+pH、,,Fenton。Fenton:(1);(2),、、。Fenton,,。,、,,。,Fenton,、、、(imazapy)、、、(A07,)、。InmaeuladaCaseroFenton。9,100%,(),-,(),,CO2。Fe2+,Fe3+,。Fe2+H2O2,。BumGunwonFenton。,pH=2～4;,,;Fe2+、H2O2,。,()Fe3+,Fe3+※Fe2+,,H2O2。Cl-·OH,CCl-1000mg/L,Cl-·OH。zhuwanpengH-(1--8--3;6-)DSD-(4;4'--2;2'-),Fenton,:pH4,H2O20.088mol/L,Fe2+36mmolmol/L,IR,UV,—SO3-、—NH2-SO42-、NO3-,COD80%。KuoWGFenton,pH=3.5,。T.J.ParkFenton。E.BalanoskNafion-Fenton,,Fenton,Fenton,,Fe2+,Fe2+,,·99·:FentonH2O2;,。KimYKFenton,Fenton,CODcr68.1%,(92%),BOD5/CODcr,。Byung-DaeLee——Fenton—,CODcr4000～7000mg/L150～200mg/L,FentonCODcr63%。Fe2+H2O2,Cu、NiH2O2·OH。F.NerudCu/pyridine/H2O2,(80%),1h,,pH=3～9。Fenton,Fenton,,8%52%。Cu2+Fe2+H2O2。,Cu2+;Cu2+,,。Fenton:pH、、、Fe2+H2O2、H2O2。:pH3～5,pH。H2O2Fe(OH)2+、Fe(OH)2,pH3～5。Fe2+。,Fe2+0.3[Fe2+]/[H2O2]1。Fenton,,(·OH),,2.80V。,569.3kJ,;Fenton,。,Fenton,。3　Fenton法的发展方向Fenton。Fenton,4%,Fenton,Fenton。FentonH2O2,,,H2O2。Fenton:(1),,;(2)Fenton,:;H2O2。、、,,,。:〔1〕,,.Fenton[J].,2007,16(1):21-22.〔2〕,,.Fenton[J].,2006,(2):59-62.〔3〕,,.Fenton[J].,2006,29(6):28-33.〔4〕CarlosMS,EduardoE,JuanC,eta1.Goethiteasamoree-fecitiveirondosagesourceformineralizationoforganicpol-lutantsbyelectro-Fentonprocess[J].ElectrochemistryCommunications,2007(9):19-24.〔5〕VentruraA,JacquetG,BermondA,etal.Electrochemi-calgenerationofthefenton'sreagent:applicationtoa-trazinedegradation[J].WaterRes.,2002,36:3517-3522.〔6〕BrillasE,CalpeJ,CasadoJ.Mineralizationof2,4-Dbyadvancedelectrochemicaloxidationprocesses[J].WaterRes,2000,34(8):2256-2262.〔7〕FentonHJH.Oxidationoftartaricacidpresenceofiron[J].JChemSoc,1984,65:899-905.·100·　　〔8〕BossmannSH,OIiverosE,Seta1GB.Newevidencea-gainsthydroxylradicalsasreactiveintermediateinthether-malandphotochemicallyenhancedFentonreaction[J].PhysChem.(A),1998,102(28):5542-5550.〔9〕TripathiGNR.Electron-transfercomponentinhydroxylradicalreactionobservedbytimeresonanceRamanspec-troscopy[J].J.Am.Chem.Soc.,1998,120:4161-4166.〔10〕AsariA,PeralJ,DomenechX,etal.OxidationofS(Ⅳ)toS(Ⅵ)underFenton,photo-Fentonandr-FeOOHphotocatalyzedconditions[J].J.Mol.Catal.1996,112:269-276.〔11〕E