煤基碳基及TiO2-AC-SO42-固體酸光催化劑在有機(jī)合成的應(yīng)用研究.pdf

1、獨(dú)創(chuàng)性聲明本人聲明所呈交的論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果，也不包含為獲得寧夏大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均己在論文中作了明確的說(shuō)明并表示了謝意。研究生簽名：增寸炙時(shí)間：2。嘩年j月)／日關(guān)于論文使用授權(quán)的說(shuō)明本人完全了解寧夏大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定，即：學(xué)校

2、有權(quán)保留送交論文的復(fù)印件和磁盤，允許論文被查閱和借閱，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。同意寧夏大學(xué)可以用不同方式在不同媒體上發(fā)表、傳播學(xué)位論文的全部或部分內(nèi)容。(保密的學(xué)位論文在解密后應(yīng)遵守此協(xié)議)研究生簽名：猙史時(shí)間：。。／千年夕月27日導(dǎo)師簽名：知1功處時(shí)間：沙，t降產(chǎn)月j，日1AbstractWiththedevelopmentofgreenchemistrytheconcernsaboutsearching

3、forrecyclableheterogeneoussolidacidscatalystfortheorganicsynthesisreactiomTherefore，ThisstudyWaSbaSedonthedesignofcoal—basedcarbonbasedsolidacidstudiedtheirpreparationandcatalyticapplications，andextendstotheTi02photocata

4、lytictoorganicsynthesisThemaincontentsaresummarizedasfollows：Preparedkindsofsulfonatedsolidacidcatalystandhavebeeninvestigatedfortheircatalyticactivityinthecondensationreactionbetweenophenylenediamineandanaldehydetosynth

5、esise2dsubstitutedhenzimidazolesrespectivelySurfaceareasurfaceacidityFTIRandXRDofthecatalystshavebeenanalysedandcorrelatedwiththeircatalyticactivityThismethodhasshowthecatalystnotonlyhavehigheryieldbutalsoeaSilyseparated

6、，yieldreached78％86％，andCanrecycledthreetimeswithanylossn02coatedactivatecarbon(Ti02／AC)compositesandpureTi02powederswerepreparedbyasolgelmethodThephotoactivityhavebeeninvestigatedinthereactionbetweenquinolineandformamide

7、tosynthesise2quinolinecarboxamideSurfaceareasurfaceacidityFTIRandXRDofthecatalystshavebeenanalysedandcorrelatedwiththeircatalyticactivityTheresultshowedinTi02：AC(g曲composites，theTi02isanataSephase，whenthecompositessurfac

8、eacidreached062mmol／gwhichshowedeffectivephotoactivitytosynthesise2quinolinecarboxamide，theyieldis45％Inordertobetterunderstandtheroleofthecatalystinthemechanismoftheprocess，wehavecomparedthecatalysisbyDegussaP25／ACs04小ph

9、otosolidacidcatalysts，Thephotoactivityhavebeeninvestigatedinthereactionbetweenquinolineandformamidetosynthesise2quinolinecarboxamideSurfaceareasurfaceacidityFTIRandXRDofthecatalystshavebeenanalysedandcorrelated謝tlltheirc

10、atalyticactivityTheresultshowedinP25：AC(g曲composites，thecompositessurfaceacidreached155mmol／g，whichshowedK曲effectivephotoactivitytOsynthesise2quinolinecarboxamide，theyieldis24％InordertoenhanceTi02photocatayticactivityabo

11、ve，westudiedtwocatalyticswithFeZ／H202withacompositecatalystsystemcatalyzedthereactionbetweenquinolineandformamideTheresultsshowedundertheconditionsofnolight，theTi02／ACS042。andP25／ACS04小solidacidformedacooperativecatalysi

12、swithFe2Ⅶ202，bothexhibitdifferemcatalyticactivityThcP25／ACS04小catalyticactivityishigherthanTi02／ACs04厶，theyieldare578％and332％respectivelyKeywords：carbonbasedsolidacid；photocatalytic；condensationreaction；quinoline；formami