Fenton法及类Fenton法在污水处理方面的研究与应用白蕊

综述专论,2010,18(6):69～73SCIENCE&TECHNOLOGYINCHEMICALINDUSTRY:2010-09-09:　(1985-),,,,,。＊:(No.2008064);(No.2009011009)。FentonFenton＊白　蕊,李巧玲,李建强,郝　晏(,030051)　:Fenton试剂通过H2O2和Fe2+作用产生·OH,因而具有极强的氧化能力,在治理环境污染方面得到了广泛的应用。为了改善Fenton法中H2O2利用率低等缺点,越来越多的研究者将Fenton法与其它方法联/并用,极大提高了Fenton的催化效率。作者主要介绍了Fenton法及类Fenton法催化原理及其在污水及污染物处理方面的应用。:Fenton试剂;降解;污水处理:X703.5　　:A　　:1008-0511(2010)06-0069-05　　1890,HenryJohnHorstmanFentonFenton,,Fen-ton,,。Fenton,H2O2Fe2+(·OH),。(E)2.80V,F,,,,,。,Fe2+Fe3+,[1]。FentonH2O2,,H2O2,Fenton。,,。FentonFenton。1　FentonFenton·OH,·OH,Fenton,,·OH。Fenton,Fenton[2,3]。[4,5]。[6]Fenton,:H2O2+Fe2+OH·+Fe3++OH-(1)OH·+Fe2+Fe3++OH-(2)OH·+H2O2HO2·+H2O(3)Fe2++HO2·Fe(HO2)2+(4)Fe3++O2·Fe2++O2(5)Fe3++HO2·Fe2++O2+H+(6)HO2·+HO2·H2O+O2(7)HO2·+O2·-OH-+O2(8)2·OHH2O2(9)Fenton,H2O2Fe2+(·OH)。·OH,。1964HughREisenhauerFen-ton[7,8],Fen-ton。,Fenton。DOI:10.16664/j.cnki.issn1008-0511.2010.06.020EisenhauerABS,ABS99%。1968,EnisovFenton,(TOC)90%;BishopFenton,。[9]Fenton,,H2O218mmol/L,FeSO4H·7H2O12mmol/L,1.5h,pH=4,COD82.61%,100mg/L,。[10]Fenton(LAS),Fenton。,ρ(H2O2)=3.0mg/L,n(H2O2)∶n(Fe2+)=8∶1,2h,COD9000mg/L3000mg/L,,。。BHHameed[11]Fenton:30℃,pH=3.40,0.50mmol/L,0.10mmol/L,20mg/L。60min,99.25%。,Fenton。2　FentonFenton,、,。Fenton,Fenton,,,。Fen-ton,Fenton。Fenton。2.1　-Fenton,,,,,。,,。(Fe):FeFe2++2e(1)(C):2H++2eH2(2)FentonH2O2Fe2+·OHFe3+。Fe2++H2O2Fe3++·OH+OH-(3)H2O。H++O2+2eH2O2(4)H2O2Fe2+·OH。[12]-Fenton。,COD9000mg/L、100min、pH=2.2,COD45%;30%H2O2Fenton,50minCOD75%。-Fenton、,。[13]-Fenton,pH、H2O2。,COD=12300～17600mg/L,pH=2.0、120min,COD50%;30%H2O2Fenton,(20～30℃)60min,COD83%,B/C0.0340.35。(pH),《》(GB8978—1996)。JHRamirez[14]FentonII。FentonC(),,,,,,。,30℃,pH≈3,·70·　　　　　　　　　　　　　　　　　　　　　　　　　186mmol/L,FentonII,90%。2.2　-Fenton20kHz,,。,,、、。。,,,。(5kK,50MPa)。。、、。AmeyAPradhan[15]Fenton,,FentonFenton。。MaYing-Shih[16]/Fenton。pH=3,20mg/L,ρ(H2O2)=100mg/L,Fe2+20mg/L,30min,46%。,。Fenton,、。[17],Fenton,,60℃,pH=3.0,40kHz,400W,40min。c(H2O2)=0.22mol/L,c(Fe2+)=0.04mol/L,COD95%。Fenton,,,,COD。[18]Fenton、、。:30℃,pH=3,c(Fe2+)=1.5mmol/L,ρ(H2O2)=240mg/L,98.56%,99.79%,COD91.00%;40℃,pH=3,c(Fe2+)=1.5mmol/L,ρ(H2O2)=300mg/L,98.41%,99.42%,COD89.14%;:40℃,pH=5,c(Fe2+)=1.5mmol/L,ρ(H2O2)=240mg/L,97.26%,99.74%,COD93.07%。2.3　FentonUV-FentonFe2+/H2O2UV/H2O2,Fenton,FentonUV/H2O2:H2O2+hν2·OH(1)·OH+H2O2·O2H+H2O(2)·O2H+H2O2H2O+O2+·OH(3)2·OHH2O2(4)Fe2++hνFe3+(5)Fe3++OH-Fe(OH)2+(6)Fe(OH)2++hνFe2++·OH(7)H2O2UV,·OH。Fe2+UV,Fe3+,Fe3+pHFe(OH)2+,Fe(OH)2+Fe2+,·OH。·OH。UV-FentonFenton,。[19]FentonKN-R。pH=3,ρ(Fe2+)=5mg/L、ρ(H2O2)=75mg/L、ρ()=2mg/L,60min,99%,COD80%。[20]UV/Fenton,ρ()=300mg/L,c(H2O2=20mmol/L,c(Fe2+)=3.6mmol/L,pH=4,10min,98.37%。MasahiroTokumur[21]UV/Fenton,Fenton、,。VKavitha[22]FentonFe2+,0.4mmol/Lc(Fe2+)=0.8mmol/L。·71·6　,.FentonFenton　　　2.4　TiO2-FentonTiO2,(Eg=3.2eV,λ=387nm),,、,TiO2·OH,。TiO2:TiO2+hνe-+h+(1)h++H2O·OH+H+(2)h++OH-·OH(3)O2+e-·O-2(4)·O-2+H+HO2·(5)2HO2·O2+H2O2(6)H2O2+O-2·OH+OH-+O2(7)Fenton,H2O2+Fe2+OH·+Fe3++OH-(8)TiO2·OH,·OH。H2O2,·OH。,TiO2Fenton,,H2O2[23,24]。[25]TiO2/Fentonρ()=20mg/L。,m(TiO2)=0.2g,V(H2O2)=0.1mL,m(FeSO4·7H2O)=0.02g,20minρ()=20mg/L100mL。,90.1%。,。2.5　FentonBeataTryba[26]Fe-C-TiO2Fenton,,。[27]UV/TiO2Fenton,UV/TiO2/Fenton,,pH=5.0、H2O220mL/L、45min,TiO2COD94%,。3　,。Fenton。Fenton,,。Fenton。Fenton,-Fenton,;Fenton,,Fenton;Fenton,,,Fe2+,Fenton;H2O2,·OH,Fenton,H2O2。Fenton,,Fenton[28],。,Fenton,·OH,Fenton,,·OH。Fenton,。,Fenton,,。[　　　][1]　,.UV/Fenton[J].,2009,37(29):14321～14322.[2]　ChamarroE,Marcoa,Esplugass.UseofFentonreagenttoimproveorganicchemicalbiodegradability[J].WaterRe-search,2001,35(4):1047～1051.[3]　,,,.Fenton[J].,2004,27(3):105～107.[4]　KremerML,SteinG.Thecatalyticdecompositionofhydro-genperoxidebyferricperchlorate[J].TransFaradaySoc,1959,(55):959～973.[5]　WGBarb,JHBaxendale,PhilipGeorge,etal.Reactionofferrousandferricionswithhydrogenperoxide[J].Nature,1949,163(4148):692～694.[6]　,,,.[J].,2000,18(4):357～365.[7]　HughREisenhauer.Oxidationofphenolicwastes[J].Wa-terPollutionControlFederation,1964,36(9):1116～1·72·　　　　　　　　　　　　　　　　　　　　　　　　　18128.[8]　EnisovET,MetelitsaDI.Oxidationofbenzene[J].RussianChemicalReviews,1968,37(9):656～665.[9]　,.Fenton[J].,2009,32(5):141～143.[10],.Fenton[J].,2009,38(3):457～459.[11]BHHameed,TWLee.Degradationofmalachitegreenina-queoussolutionbyFentonprocess[J].JournalofHazard-ousMaterials,2009,164(2～3):468～472.[12],,,.Fenton[J].,2006,22(17):81～84.[13],,,./Fenton[J].,2009,25(23):88～91.[14]JHRamirez,FJMaldonado-Hódar,AFPérez-Cadenas,etal.Azo-dyeorangeIIdegradationbyheterogeneousFenton-likereactionusingcarbon-Fecatalysts[J].AppliedCatalysisB:Environmental,2007,75(3～4):312～323.[15]AmeyAPradhan,ParagRGogate.Degradationofp-nitro-phenolusingacousticcavitationandFentonchemistry[J].JournalofHazardousMaterials,2010,173(1～3):517～522.[16]MaYing-Shih,SungChi-Fangaa,LinJih-Gawb.DegradationofcarbofuraninaqueoussolutionbyultrasoundandFentonprocesses:Effectofsystemparametersandkineticstudy[J].JournalofHazardousMaterials,2010,178(1～3):320～325.[17].Fenton[J].,2009,16(6):47～49,58.[18],,,./Fenton[J].,2008,(12):1～3.[19],.FentonKN-R[J].,2009,29(3):212～215.[20],,.UV-Fenton[J].(),2009,30(1):33～36.[21]Masah