光电催化技术在污水处理中的应用研究

:()5599342(20()4)()2001403,,,,3(1.,510640;2.,100011;3.,510640):;;Ti02;;:,,,,,,(),,,APPlicationofandstudyonPhotoelectroeatalysisinthetreatmentofwastewaterYUSh,Iing,,CUuobang,,WANGRunlingZ,YANGZhigangZ,LlXinun,(1.SouthChinaUniverityofTechnolo,GuangzhouGuangdong510640;2.ChinaHydropowerpr()JetConsultingGroupCooration,Beijing100011;3.GuangzhouInstltuteofEnergyConversionoftheChineseAoademyofScienees,GuangzhouGuangdong510640)KeyWords:photoeleotrooatalyst;toxio01ganioeompound;titaniumdioxide;modifiedeleotrode;wastewatertreatmenrAbstraet:Aplerlty()fwastewaterneedstreatmentduringtheonstruotionofhydropowerengineering.Manymethodsfortoxicorganiomp()u,zddegradationhavebeendeveloped,suehasairfloatation,abotionteohniqueand50on-Reoently,,omeoxidationteohnoogiesaintroduoed.Forexample,hemioaloxidationphotoemist,(atalysisoxidation.Toinoreasethedegradationeffioienoy,muhresearohhasfoousedonthe()xidationhetweenthePhotohemioalandele(troatalysis.Foroxidationphotoeleotroeatalysiseanleadtotheoompletemineralizationofthehazardousubstrates,oreandeoompo*ethemtootherusefulcomPoundsbyeontrollingthereactioneondations,,whih15hetterthanotherProesses.50it15valuabletoinvestigateandapPlythistechniqueforthetreatmentofwastewaternowadays:0643:A,,,:{l],,,,,,,,,,,,,],,rz,,,,r,z0.,.2:¹,;º,;»,,,,,,:20031220:)(010873):(t963),,.,(),[2--5],,(Fenton);TIO:,,,,1,,,(le------,----hv1(0/R),,,,OH,(1)HZO+hOH+H+(1)OH,,,2,,129,9114,,:,CO:H20,2.1:,1,,,Ti/Pt/glassG,25%1101,,KTDongHyunt{(),,,,TIO:hOH,,e,,,,Zanoni}2!TIO:RBO,3h,5.oxlo5mol/LLuo{31WO:,NaCINaC104KNO,NaZSO4,Cl,,,Waldner}4!TIO:4,sh,4,CO:Miael}51TIO:,,,4Billasi61,Vinodgopal!,({91Ti,,Tremerl2n],,,,FePhOZ/RTaicheng1211,,,,,Kita*:J().\().2,22,,,r,,:(l),(11mZ),,(2),.,(),(3),.,3,:;,L,(,,,,:3.1,,pH,,,,,~,3.2,,,,,3.3,,,,,,,,4CoZ,,,,,,:11},2003,29(7):2023.[2],,.[J].2001,17(3):6977.-[3]lhISalli5.EI1andel:thJctataly.,IJIntJHydrogenEnor.1995,20835844.14]BrillE,MurE,SflezL,et111.nili,l,minerlizaA()},:anodioxidation,photooatalysi,ler(,,tProC~.Av1Catal.B:Enyiron,1998,16:3142.5],,,.[J]..2000,20(6):78784.[61AllenJBhotoeleotroohomitwandhoter,nd,t,ly,,tsemioonduotors!J.Photoemit.1979,10:5[71[M:,1998.,,,,[J].,2002.23(6):!()8111.l,.,,TioPt}[Jl.,1997,7679.101,..,1999l9(6):1516[DongHK,Allde~MAPhotocatal(29).*,rr1..267ƒ({(2),,,34,,,,(3),,P,,,,,Pl,,8:4,,:(l)45(PPlqs),MSCsoftwareCooration.MSC,MaVolumeA:TheoandUserInformationM.USA:MSCSoftwareCooration,2001.,,.[M.:,1994.,.fJ],20()2,(10).i,,,i,,(16)degradatloofforieacidusngrorou,TioZthinfilmeleotrode[J.Environsei.Teohnol,1994,28:479482.12ZanoniMVB,SoneJJ,AndersonMA.Photoeleotr()atalytidegradarionofRemazolBniliantoran3Rontitaniurnlioxide*hinfilmeleotrodesJ.Photoohemndphotobiol:Chem2(X)3,157:5563.131LuoJHe1M.Phot,leothemideglllationofnhtholbluebladiazodyeonW03filmeleotrodefJI.EleotroohimioaAeta,20()1,46:29132922.{14}aldnerG,PourmodjihM,BasuerR,etal.PhotoelectrotalytidegudationOf4orophenolandoxaliidontiiumdioxidleotr()desJ.Chemosphe,,2(X)3,50:989998.15Mioh,IL,Hitohman,FangT.StudiesofTIO:thinfilmsPrepared})yrhemivalur(lesitonforphotatalyticandphotoelerrro-atalytidedation(,f4hloroPhenol[J.Eleotroanal.Chem20()2,538:165172.{161BrillE,SauledaR,CasJ.Deadationof4hlorophenolbyanic()xidation,electroFenton,Photoeltrontondperoxi-oagoationProoessJ.Eleotroohem.Soc,1998,145:759765.1171VindogOIalK,StabU,(yK,etal.Elehemioallyassistedphotocatalysis:ZJheroleofoxygenandreactionintermediatesin*hedegra(lationof4ehlorophenolonimmobilizedTIO:partioulatefilms[J.Physhem,1994,98:67976803.18],,,.[J].,20()0,21(3):209212.19],,.J..1997,16(3):2426.201Treimer5E.FengJ,JohnsonDCPhotoassistedeletroohemikalinoinerationofseleotedorganiomPounds[J.Eleroohemso,2001,148(7):E321E325.11TaiehengA,YaX,GuiyiL,et5e!ictindegrationofformioaoidusinganewphotoeleotroohemicalreaotor[J.Photochem.andPhotobiolA:Chem,20()2,152:155165,[22],.[J.,1999,(l):3133.[23}Ki*aDK.J].Eleorroanal.Chem,1962.(3):15911513.24,.IJl,1998,(3):2022.te:e;F,za,.2I