电生羟基自由基在有机废水处理中的应用

Comments&ReviewsinC1I1(,510631)(OH),FentonOH,Fenton:2004-11-04:(1980),,,;(1969),,,,ApplicationofElectrogeneratedFreeBydroxylRadicalsinOrganicWstewaterTreatmentZhangYunshanLiRiyangWuHuaiLiHong(DepartmentofChemistry,SouthChinaNormalUniversity,GuangdongGuangzhou510631)AbstractTheapplicationofelectrogeneratedfreehydroxylradical(OH)inorganicwastewatertreatmenthasarousedwideinterestfrommoreandmoreinvestigatorsinthelastdecades.Inthispaper,therecentresearchprogressesofOHasanoxidantfortreatingorganicwastewaterareintroduced.Themainprincipleandapplicationofelectrocatalyticoxidationelec2trogeneratedOHobtainedbyusingelectro-lentonreagent,andsemiconductorphotoelectrocatalyticmethodsinorganicwastewatertreatmentaresummarizedandassessed.Thedevelopingorientationandappliedprospectsarealsopresented.KeywordsOrganicwastewatertreatmentElectrochemistryFreehydroxylradicalElectro-fentonreagentElectrocatalyticoxidationPhotoelectrochemicalcatalysis(OH)(2.8V),,,CO2H2O,2[1]OHOH,Fenton[2][3][4][5][6]OH,1FentonFe2+H2O2Fenton,H2O2Fe2+OH,FentonOHFentonH2O2Fe2+OH[7],FentonH2O2FentonOH0419620056ChemicalIndustryTimesVol.19,No.6Jun.6.2005,,,,Fe2+H2O2,Fenton[8]pHH2O2[9],pH,H2O2,OHHsiao[10],,Fenton[11],,Na2SO4,Fenton,(10mA/cm2),,OH,100%,CODCr,80%,Fenton,[12],Brillas[13]Pt,2,4-D(),2,4-D90%,Fenton,2,4-DKusvuran[14]RRl20,Fenton,,FentonUV/TiO2,Fenton2OH[15]2,,,2080,,OH,,[16](DSA),,,,,,,,,[17],[18]B,,,,,OH[19],OHH2O2,,,Duverneuil[20]SnO2Ti,,,[21]3,[22][23],,,,,,OH,H2O2,,,,,,OH,[24],142005.Vol.19,No.6,,[25],OH[26]SnO2,,90%4,TiO2,OHTiO2(),,OH,H+,O2[27][28]TiO2,,(4-2,4,6-),Cheng[29],COD95%87%Waldne[30]TiO24-,,,TiO2,TiO2,TiO2,TiO2[31],TiO2,,,TiO25,OH,:(1),Fenton,(2),,OH,,,,(3),,TiO2[1]ChengSA,FungWK,ChanKY.,etal.Chemosphere.2003.52:17971805[2]FrancescT,MontserratMansillaHD.,etal.Chemosphere,2003,53(10):12111220[3]ZhuWP,YangZH,WangL.WaterResearch,2001,35(8):20872091[4]JudithS,SusanaC,PeÌa0.,etal.WaterResearch,2002,36(12):30353044[5]KumarJA,ChatterjeeSN.UltrasonicsSonochem.,1995,2(2):8791[6],,.,1990,9(6):1318[7]ChouSS,HuangYH,LeeSN.,etal.WaterRes.,1999,33(3):751759[8]HuangYH,ChouSS,PerngMG.,etal.WaterSci.Techn.1999,39(1011):145149[9],,,.,2002,15(3):4253[10]HsiaoY,NobeK.chem.Eng.Commom.,1993,126(1):97110[11],,,.,2003,9(1):98103[12],,.,2004,24(1):6871[13]BrillasE,CalpeJC,CasadoJ.WaterRes,2000,34(8):22562262[14]KusvauanE,Gulnaz0,IrmakS.,etal.HazardousMaterials,2004,10,(8):8593[15]AlexanderK,ManuelaSManfredB.TournalofHazardousMaterials,2003,103(3):247261[16],,,.,2001,21(3):131136[17],.,2002,8(3):327332[18],,.,2002,29(5):3437[19],.,2004,18(1):2326(50)242005.Vol.19,No.6Comments&ReviewsinC1I10101%,015%,,,,(2),,,,,,,,23min(3),,,Mn3+Ag2+Cl2Br2I2,,,,(4),,,50,20,1000,,,,,,,,(5),,,,,,,,,,0151a,,,,,,,,,,[1]..:.1984,5[2]G.D.CHRISTIAN..:.1991,5[3]..:.1982,4[4].:.1986,5(42)[20]DuverneuilP,MauryF,PebereN.,etal.SurfaceandCoatingsTech2nology,2002,151152(1):913[21],.,1997,23(6):354357[22]DohrmannJK,ChuanM,SchaafNS.SolarEnergyMaterialsandSo2larCells,1996,43(3):273296[23],,,.,20012(1):5558[24],.,1998,18(2):148150[25]Candal.J.Environ.Engin.,1990,10:906912[26],,,.,1998,37(3):287290[27],,,.,2003,5:306311[28],,,.,1999,20(3):317320[29]ChengAT,ZhuXH,XiongY.Chemosphere,2002,46(6):897903[30]WaldnerG,PourmodM,BauerR.,etal.Chemosphere,2003,50:989998[31],,.,1997,5(3):110052005.Vol.19,No.6OverviewofThesises