光催化氧化法处理污水的研究杨国营

11,,[1]。,。,、,。,,,,。,,,,、。1,(e-),,。,,,,,—[2～4]。TiO2,:2.1半导体催化剂的选择,(3.2eV),,,,,,,TiO2。2.2光催化反应器的设计。,,hγ≥3.2eV。,。,,[5]。2.3催化剂的固定方法,,,,,,,—[6],。2.4光催化氧化操作参数的确定,,。,,,,。Hofstadler[7],,,。杨国营(,050016)[],TiO2,、,。[];;;[]X703.1[]A[]1003-5095(2002)01-0011-02[]2001-11-08[](1962-),,,。2:e-+O2·O2-H2O2+·O2-·OH+OH-+O2O2+H2O22H2O·H2O··O2-TiO2+hγ+hOH+h+++H2O+h+h+e-1220021,。[][1],,,.TiO2[J].,2001,64(2):76-79.[2],,,.TiO2[J].,2001,64(2):71-75.[3].[J].,1998,20(8):5-9.[4],.TiO2[J].,1997,24(2):113-115.[5],.[J].,1999,11(1):1-10.[6].[J].,1997,17(1):3-5.[7]HofstadlerK,BauerR,NovalicSetal.EnvironSciTechnol[J],1994,28(4):670.[8],.[J].,2001,1(2):45-46.[9],.[J].,1992,8(2):12.[10],,,.[J].,1995,16(5):33-35.[11].—[J].,2000,12(5):75-79.[12],,.[J].,1994,2(3):50-56.TiO23.2eV[8],。,,,。,,,,,,。,1.5h,[9]。:,[10]。。,[11],,。,TiO2,TiO2,[12]。3,,。[3,6],,,,(10),。,、。StudyAndDevelopmentofSurfaceCoatingonAluminiumFoilHeatExchangerFinMaterialsforAirConditionerLIYan-chi,GONGHong-lie,LIANGBing-chen(HebeiChemicalEngineeringAndIndustryInstitute,Shijiazhuang050031,China)Abstract:Thispaperdiscussesthereasonsandthesolvablemethodaboutthreephenomenons:“whitepowder,waterbridgeandpeculiarsmell”,whichisoccuredintheoperationofairconditionerheatexchanger.Itputsforwardabestwaythatisthesurfacecoatingonthealuminiumheatexchangerfinsinairconditioner.Thepaperintroducesthevarietyandtechnologyprogressofsurfacecoating.Anditlooksforwardinternalapplicationprospectofsurfacecoatingandcoatingtechnology.Keywords:airconditioner;aluminiumfoilheatexchanger;coating;hydrophilicity;hydrophobicityStudyonWasteWaterTreatmentThroughPhotocatalyticOxidationYANGGuo-ying(DepartmentofChemistry,HebeiNormal,Shijiazhuang050016,China)Abstract:Inthispaper,thereactionmecharmofphotocatalyticoxidationisdiscussed.PhotocatalyticpropertyofTiO2applyinginenvironmentprotectionisintroduced.Theinfluencingfactorsarediscussed,suchas:theselectionofsemiconductorcatalyst,fixationofphotocatalyst,designofreactoranddefineofoperationalparameter.Recentadvancesanddirectionofthestudyaredemostrated.Keywords:photocatalyticoxidation;TiO2;photocatalyst;wastewatertreatment