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:2009-12-25:(2008HX05);(JK2009031):(1975-),,,,,.·JournalofShaoguanUniversity·NaturalScience20103313Fenton1,2,1,2(1.,351100;2.,351100):Fenton、-Fenton-Fenton,Fenton、、,FentonPhoto-Fenton、-Fenton.:Fenton;;;;:X703.1:A:1007-5348(2010)03-0066-07.,Fenton、、、、,[1-3].FentonFe2+H2O2,·OH,·OH,.,Fenton,-Fenton、-Fenton[4].Fenton,.1Fenton1.1FentonFentonFenton1894:,H2O2Fe2+[5].1964EisenhouserFenton,Fenton[6].Fenton.1.1.1:Fenton,H2O2Fe2+(·OH),.[7]:Fe2++H2O2→Fe3++OH-+·OHk1=76L·(mol·s)-1(1)Fe3++H2O2→Fe2++HO2·+H+k2=0.002~0.01L·(mol·s)-1(2)Fe2++·OH→Fe3++OH-k3=3×108L·(mol·s)-1(3)Fe3++HO2·→Fe2++O2+H+k42×103L·(mol·s)-1(4)·OH+H2O2→H2O+HO2·k5=2.7×107L·(mol·s)-1(5)Mar.2010Vol.31No.33Fe2++HO2·→Fe3++HO2-k6=1.2×106L·(mol·s)-1(6)·OH,H、C—C.:RH+·OH→R·+H2Ok7=107~1010L·(mol·s)-1(7)R·+O2→ROO·k8=109L·(mol·s)-1(8)R·+Fe3+→R++Fe2+(9)RO·+·OH+O2→···→CO2+H2O(10),Fe2+,H2O2[8].(1)(8):·OH(1),(2),·OHFe2+H2O2.Fe2+H2O2.(3)(5),Fe2+H2O2·OH.,Fenton,Fe2+H2O2.1.1.2:Fenton·OH.WallingKato,Fenton.[9]:[Fe(H2O)6]3++H2O→[Fe(H2O)5OH]2++H3O+(11)[Fe(H2O)5OH]2++H2O→[Fe(H2O)4(OH)2]++H3O+(12)pH3~5,:2[Fe(H2O)5OH]2+→[Fe(H2O)8(OH)2]4++2H2O(13)[Fe(H2O)8(OH)2]4++H2O→[Fe2(H2O)7(OH)3]3++H3O+(14)[Fe2(H2O)7(OH)3]3++[Fe(H2O)5OH]2+→[Fe3(H2O)7(OH)4]5++2H2O(15):Fenton,·OH,.1.2-FentonFenton,.:,,Fe3+,·OH,;H2O2.Zepp,Fenton[10].,-Fenton(C2O42-、EDTA、),[11].1.2.1UV/Fenton:UV/FentonFentonUV/H2O2.Fenton,·OH,H2O2·OH,;H2O2·OH;[12].:Fe2++H2O2→Fe3++OH-+·OH(16)Fe2++·OH→Fe3++OH-(17)Fe3++H2O→hv[Fe(OH)]2++H+(18)[Fe(OH)]2+→hvFe2++·OH(19),:Fenton·67··2010[Fe(OOC-R)]2+→hvFe2++R·+CO2(20)H2O2→hv2·OH(21)RH→hv(22)·OH+RH→H2O+R·(23)UV/Fenton,,,.1.2.2UV/H2O2/:UV/H2O2/UV/Fenton.UV/Fen-ton,,UV/Fenton[13],Fe(),(200~400nm),.3:,,H2O2.[11,14]:Fe3++H2O2+3C2O42-→[Fe(C2O4)3]3-+·OH+OH-(24)[Fe(C2O4)3]3-→hvFe2++2C2O42-+C2O4-·(25)C2O4-·+[Fe(C2O4)3]3-→Fe2++3C2O42-+2CO2(26)C2O4-·→CO2-·+CO2(27),C2O4-·CO2-·O2,H2O2.C2O4-·/CO2-·+O2→O2-·+2CO2/CO2(28)2O2-·+2H+→H2O2+O2(29)Fe2+H2O2,Fenton.,C2O42-H2O2,Fe3+Fe2+,H2O2,.1.3-Fenton-FentonFe2+H2O2Fenton,1.1-Fenton,O2H2O2.H2O2Fe2+·OHFe3+,·OH·68·3.Fe3+(0.77V)O2(0.69V),Fe3+O2Fe2+,Fenton.:O2+2e+2H+→H2O2(30)Fe3++e→Fe2+(31)H2O→1/2O2+2H++4e()(32)2OH-→1/2O2+H2O+2e()(33)Fe→Fe2++2e(34)H2O2+Fe2+→Fe3++OH-+·OH(35)·OH+→CO2+H2O+(36)(30)O2,(32)(33)O2;Fe2+Fe((34)),H2O2Fe2+Fe3+,Fe3+,Fe2+,H2O2,Fenton.2FentonFenton,,.,Fenton,Fenton、、、、、.,Fenton.2.1,.,,,.,Fenton、、,.V.KavithaFentonPhoto-Fenton2-、4-、2,4-2,3,6-,Fenton4TOC32%、32%、25%20%;Fenton4TOC92%[15].Fenton-[16].:COD,700mg/LH2O2,H2O22800mg/L,H2O275%.,Fenton,、.[17]:Fenton2-、3-、4-、2,3-、2,4-2,5-,,CO2,.Fenton.2.2,、,.A/OA2/O.:,,:Fenton·69··2010,.Fenton.,Fenton,[18].:FentonCODcr、,、、,.COD、,Fenton-,[19].:COD88%,、90%,.Fenton/,,[20].:Fenton/,(1.80/t),.2.3、,.、、,.Fenton·OH,,.UV-Fenton[21].:UV-FentonCOD,90.4%86.2%.Fenton-3[22].:Fenton-(),COD84%95%.Fenton-(BAF)[23].:Fenton,,BAF,20,COD20mg/L,.2.4,、、、、..,,,,.,Fenton.FentonFenton2,4-(2,4-D)[24].:10min85%,TOC80%;,UV.-Fenton[25].:Fenton,COD81%,90%,BOD5/COD0.25,.Fenton+,COD6000mg/L,1500,;+,GB8978-1996《》[26].·70·33FentonFenton,.,Fenton,,、Fenton,H2O2Fe2+,Fenton.,,:FentonpH(pH2.5~5.0),Fe2+,;UV/Fenton-Fenton.,FentonpH,Fe2+/Fe3+,Fenton.Photo-Fenton,,;-FentonH2O2,Fe2+,Fenton;,Fenton.,FentonPhoto-Fenton、-Fenton.:[1],.Fenton[J].,2008,24(18):9-13.[2].Fenton[J].,2008,39(1):27-30.[3],.Fenton-[J].,2009,9(6):47-49.[4],.Fenton[J].,2001,20(12):1-3.[5],.[M].:,2003:274-284.[6],.Fenton[J].,2004,26(4):126-130.[7]NeyensE,BaeyensJ.AreviewofclassicFenton’speroxidationasanadvancedoxidationtechnique[J].JournalofHazardousMaterials,2003,98:33-50.[8],,.Fenton[J].,2001,27(5):11-14.[9],,,.Fenton.,2004,30(3):17-20.[10]ZeppG.,FaustC.,HoigneJ.Hydroxylradicalformationinaqueousreactions(pH3~8)ofiron()withhydrogenperoxid:Thephoto-Fentonreaction[J].Environ-Sci.Techno.,1992,26(2):313-319.[11],,,.Photo-Fenton[J].,2000,18(4):357-363.[12]DaneshvarN,SalariD,KhataeeAR.Photocatalyticdegradationofazodyeacidred14inwater:investigationoftheeffectofoperationalparameters[J].J.Photochem.Photobiol.A:Chem.,2003,157(1):111-116.[13]NadtochenkV.,KiwiJ.PhotoinducedadductformationbetweenorangeIIand[Fe3+(aq)]orFe(ox)3+3-H2O2photocatalyticdegradationandlaserspectroscopy[J].J.Chem.Soc.,FaradayTrans.,1997,93(14):2373-2378.[14]DuránA,MonteagudoJM,AmoresE.Solarphoto-Fentondegradationofreactiveblue4inaCPCreacto[J].AppliedCatalysisB:Environmental,2008,80(1-2):42-50.[15]KavithaV,PalaniveluK.DegradationofnitrophenolsbyFentonandphoto-Fentonprocesses[J].J.Photochem.Photobiol.A:Chem.,2005,170(1):83-95.[16],,,.Fenton-[J].,2007,28(7):695-700.[17],,.Fenton[J].,2004,24,:87-89.[18],,,.Fenton[J].,2007,27(7):1101-1106.[19],,.-Fenton[J].,2007,27(3):40-43.,:Fenton·71··2010[20],,,.Fenton/[J].,2006,27(11):2201-2205.[21].UV-Fenton[J].,2006,26(3):53-55.[22],.Fenton-[J].,2004,24(4):39-41.[23],,,.Fenton-[J].,2006,26(11):28-31.[24],,.FentonFenton2,4-D[J].,2005,24(4):365-369.[25],,,.-[J].,2008,30(3):30-33.[26],,,.Fenton+++[J].,2009,27(5):11-13,35.OxidationmechanismandresearchprogressofFentonreagentinthetreatmentofindustrialwastewatercontainingrefractoryorganicpollutionsLIZhang蛳liang1,2,HUANGJian蛳hui1,2(1.Departmen
本文标题:Fenton试剂氧化机理及难降解有机工业废水处理研究进展李章良
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