改性TiO-,2-薄膜對水楊酸光催化降解的影響.pdf

1、Yl213776論文題H(中文)弦塏：丑Q2型壁型韭搔醛盤催氈睦鰹曲崖墮論文題日(外文)InfluenceofmodifiedTiOfilmonphotocatalytic研究生姓名學科、專業(yè)研究方向學位級別導師姓名、職稱論文工作起止年月論文提交口期論文答辯閂l啊學位授予日期出暨型西盟崾叢叢堅出￡盟過————————一——————王玉盟———————一—————J型￡工程——————一壟擅銎蓮劇蝗土堂垃五生煎援2Q世至!且至2Q虹望』目

2、————』業(yè)型生三且——————一—————地業(yè)主L土且——————一磨丐滄矢Ⅶ塒串萄究AbstractWiththeenvironmentpollutionbecomingmoreandmoreserious，everycountryintheworldinvestenormousfundindevelopingnewmaterialsandnewtechnologiestosolvetheenvironmemproblemsAtpr

3、esentthephotocatalyticdegradationtechnologyprovidesagoodwaytosolvethisproblemMaterialthatusedasaphotocatalyticrnaterialisTi02，whichhasmanyadvantages，suchasgoodstabilityhighphotocatalyticactivity，nonpoisonousharmlessness，

4、lowpriceandSOonButithassomedisadvantages，suchashi曲combinationratiooftheelectronsinsemiconductornarrowabsorptionofavelength(itonlyCanabsorbUVwavelengthpoorabsorptionoforganicpollutersandSOonThesedisadvantageshamperTi02inp

5、racticalprojectsAccordingtothecurrentproblemssuch豁lowquantumefficiency1imitedavailablewavelengthrang，andinefficientrecovery，resuhedfromthepracticalusingofphotocatalysis，theporousTi02thinfilmswel“epreparedbyasol—geltechni

6、queonsodalimeglasssheetsTheeffectsofdopedmetalionssuchasFeandAgionsandacidtreatmentoncatalyticactivityofTi02thinfilmwereinvestigatedMeanwhile，theeffectofH202astheoxidizerOnthephotocatalyficdegradationWasalsostudiedTheres

7、ultsofphotocatalyticdegradationexperimentswithsalicylicacidaqueoussolutionshowedthatthedegradationactivityincreasedwithmodifyingTi02thinfilmsinacertainrangeTheTi02thinfilmsdopingFdinthebodyaswellasacidmodifmgbethhadhighe