光催化臭氧化法在废水处理中的研究进展

UV/O3/Fe2+UV/O3/Fe3+UV/O3/H2O2ReseachprogressinowastewatertreatmentPhotocatalyticozonationCAOYu-ping,LIUYong-jian(1.DepartmentofEnvironmentalScienceandEngineering,SuzhouUniv.ofScienceandTechnology.Suzhou215011China;DepartmentofChemicalandBiologicalEngineering,SuzhouUniv.ofScienceandTechnology.Suzhou215011China;)Abstract:PhotocatalyticOzonationasaneffectivewastewatertreatmenttechnology,candegraderefractoryorganicwastewatereffectively.ThispaperanalyzesthethereactionmechanismofUV/O3/Fe2+UV/O3/Fe3+,andUV/O3/H2O2,andintroducesthecasesthatPhotocatalyticozonationareappliedtowastewatertreatment,pointsouttheproblemsandprospectsofPhotocatalyticOzonation.Keywords:ozonationwastewatertreatmentreactionmechanismapplition1UV/O3/Fe2+1.1UV/O3/Fe2+O2-O2-O3O3-HO[1]Fe2+Mn2+[2,10]Andreozzi[3]Mn2+pH04.7pH=0Mn2+Mn4+Mn3+Mn2+MnO2pH=4.7Mn3+Beltrn[11]Fe3+Fe3+25%,Fe3+,,Monteagudo[12]Fe2+pHFe2+Fe2+pHUVUVFe2+UVFe3+Fe3+Fe(OH)2+Fe(OH)2+OHFe2+UV/O3/Fe2+O3RGracia[15]Mn2+B.Legubeet.al[16]Fe,Mn,Ni,Co,Zn,Ag,Cr,A3OMetal-catalyzedreductionofthephotochemicalreactionofozonationinhomogeneoussolution1.2UV/O3/Fe2+O3/Piera[8]pH3Fe2+/O3Fe2+/UV2,4-(2,4-D)UV/O3/Fe2+2,4-DUV/O3/Fe2+2,4-O3O3HOHONH4+Fe3+[9]2UV/O3/Fe3+2.1UV/O3/Fe3+KeijiAbe[13]UV/O3/Fe3+Fe3+UV/O31.4-3.8Fe3+Fe3+Fe2+-FentonFe3+Fe3+pHEvaPieraTiO2/UV/O3UV/O3/Fe3+24-UV/O3/Fe3+24-UV/O3/Fe3+Fe2++O3FeO2++O21FeO2++H2OFe3++OH+OH2Fe3++H2O+hvFe2++OH+OH3FeO2++Fe2+2H+2Fe3++H2O41k=8.2105dm-3mol-1s-14k=1.310-2dm-3.mol-1s-1Rosers[18]4-UV/O3/Fe3+O3+H2O+hvH2O2+O25H2O+hv2OH6O3+H2O2OH+H2O+O27Fe2++O3FeO2-+O28FeO2-+H2OFe3++OH+OH9FeO2-+Fe2++2H+2Fe3++H2O10Fe3+UVFe3+pH2.2UV/O3/Fe3+Fe3+UVFe3+UVO3UV/O3/Fe3+,CODJBeltran-Herdia[17]UVUV/TiO2O3O3/Fe3+=O3/H2O2O3/UVUV/H2O2=O3/H2O2/Fe3+H2O2/Fe3+UV/H2O2/O3H2O2/Fe3+/UVO3/UV/H2O2/Fe3+pH3UV/O3/H2O23.1UV/O3/H2O2UV/O3/H2O2UV/O3/H2O2UV/H2O2UV/O3UV/O3/H2O2O3O3H2O2H2O2UV/O3/H2O2OHH2O2+H2OH3O++HO2-O3+H2O2O2+OH+HO2O3+HO2-OH+O2-+O2O3+O2-O3-+O2O3-+H2OOH+HO-+O2OH108~1010M-1S-1UV/O3H2O2OH3.2UV/O3/H2O2KazuakiUV/O3/H2O22.86mg/LH2O225mg/LUV2.610-6EinsteinS-130min150mg/L1mg/LSomichUV/O3/H2O285%94%UV/O3GRHuang[15]UV/O3/H2O2Blue199Black22UV/O3/H2O2100%TOC90%UV/O3/H2O2O3O3H2O2OHH2O2O3pHUVZeff[16]1988UV/O3/H2O2200mg/L30minTOC97%111260minTOC98%LewisUV/O3/H2O2O3H2O2UVVOC98%Wenzel[18]UV/O3/H2O2UV/H2O2PAHsTOC10%~20%Ledakowicz[19]UV/O3/H2O210%4.COD[1]GraciaR,AraguesJL,OvelleiroJL.Studyofthecatalyticozonationofhumicsubstancesinwaterandtheirozonationbyproducts[J].Ozone:Science&Engineering,1996,18(3):195-208.[2]CortesS,SarasaJ,OrmadP,etal.ComparativeefficiencyofthesystemsO3/highpHandO3/catalystfortheoxidationofchlorobenzenesinwater[J].Ozone:ScienceandEngineering,2000,22(4):415-426.[3].[J].,2004,24(3):332-335.[4]MastenSJ.OzonationofVOCsinthepresenceofhumicacidandsoils[J].Ozone:Science&Engineering,1991,13(3):287-312.[5]MastenSJ,GalbraithMJ,DaviesSHR.Oxidationoftrichlorobenzeneusingadvancedoxidationprocesses[J].Ozone:Science&Engineering,1997,18(6):535-548.[6]MaJ,GrahamNJD.Degradationofatrazinebymanganese-catalysedozonation:influenceofhumicsubstances[J].WaterResearch,1999;33(3):785-793.[7]XiongF,GrahamNJD.Removalofatrazinethroughozonationinthepresenceofhumicsubstances[J].ozone:science&engineering,1992,14(3):263-268.[8]PieraE,CalpeJC,BrillasE,etal.2,4-Dichlorophenoxyaceticaciddegradationbycatalyzedozonation:TiO2/UVA/O3andFe2+/UVA/O3systems[J].AppliedCatalysisB:Environmental,2000,27(3):169-177.[9]SauledaR,BrillasE.Mineralizationofanilineand4-chlorophenolinacidicsolutionbyozonationcatalyzedwithFe2+andUVAlight.[J].AppliedCatalysisB:Environmental,2001,29(2):135-145.[10]NiCH,ChenJN,YangPY.Catalyticozonationof2-dichlorophenolbymetallicions[J].WaterScienceandTechnology,2003;47(1):77-82.[11]BeltrnFJ,FranciscoRJ,RamonME.Irontypecatalystsfortheo2zonationofoxalicacidinwater[J].WatRes,2005,39:3553-3564.[12]MonteagudoJM,CarmonaM,DurnA.Photo2fenton2assistedozonationofp-coumaricacidinaqueoussolution[J].Chemosphere,2005,60:11031110.[13]KeijiAbe,KeiichiTanaka.,Chemosphere.,1997,35(12):2837.[14]RoserS.,EnricB.,AppliedCatalysisB:Environmental.,2001,29:135.[15]G.R.Huang,Y.K.Lin,H.YShu.,AmericanDyestuffreportor,1994(10):1518.[16]ZeffJD,LeitisE.,Qxidationoforganiccompoundsinwater.U.S.Patent4792407,1988.[17]JBeltran-Heredia,etal.,Chemosphere,2001,42:351.[18]WenzelA,GahrA,etal.,WatRes,1999,33(4):937946.[19]Stanislawledakowicz,MonikaGonera.,WatRes,1999,33(11):25102516.