过渡金属修饰的SBA16介孔分子筛的合成及其催化性能研究

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1、黑龙江大学硕士学位论文过渡金属修饰的SBA-16介孔分子筛的合成及其催化性能研究姓名：赵丽娜申请学位级别：硕士专业：无机化学指导教师：袁福龙;朱宇君20100504黑龙江大学硕士学位论文AbstractBecauseofthelargesurfaceareaanduniformporesize，theinorganicmesoporousmaterialbecomesthehottopicofresearchincatalysis．AnewkilldofmolecularsievesWaSsynthesizedusingnon-ionicsurfactan

2、t．Duetopossessingthree-dimensionalstructureandfavoringforthetransmissionofsubstrate，SBA-16isespeciallyoutstandinginthecatalystscarder．ThedirecthydrothermalmethodandwetimpregnationmethodwereadoptedtosynthesizetheV-SBA-16，Co-SBA-16andFe／SBA-16samplesinthispaper,respectively．mstructu

3、repropertiesofsampleswerecharacterizedbyXRD，N2adsorptionandTEM，whichrevealthattheSBA-16molecularsievesmodifiedbymetalpossessalargesurfaceareaandorderedthree-dimensionalcubicmesostructure．ThecatalyticperformancesforbenzenehydroxylationtophenoloverV-SBA-16andFe／SBA·16samplesandtheox

4、idationofcyclohexanetocyclohexanonehavebeencardedoutusingH202and02astheoxidant，respectively,andsomereactionconditionswerealsooptimized．Theyieldsofphenolare9．7％and30．4％whenH202and02istheoxidationrespectively,andtheTONofthebenzeneis146and248．TheCo-SBA-16samplesalsoshowexcellentcatal

5、yticactivitiesfortheoxidationofcyclohexane．Thecyclohexanoneyieldattains17．1％andtheTONis92．9．Inaddition,thesurfaceactivespecieswerecharacterized诵tllDRUV-vis，laserandUVRamanspectraandH2一TPRmeasurements，whichprovethathighlydispersedandframeworkV04ismainactivespeciesfortheoxidationofb

6、enzeneandcyclohexane，respectively．Thepoly-vanadiumspecieswhichhavelowcatalyticvelocityarealsobeneficialtothereactionofbenzenehydroxylation．However,theV205crystallitesdonothavethecatalyticfunction．ForFe／SBA-16samples，thestructuremagneticironoxideistheactivespeciesforbenzenehydroxyl

7、ation．TheprocessofselectivelyoxidationofcyclohexaneistheCirculationofC02+andC03+．Keywords：V-SBA-16，F“SBA-16，Co—SBA一16，benzene，cyclohexane．II．独创性声明I本人声明所呈交的学位论文是本人在导师指导下进行的研究工作及取得的研究成果。据我所知，除了文中特别加以标注和致谢的地方外，论文中不包含其他人已经发表或撰写过的研究成果，也不包含为获得黑龙江大学或其他教育机构的学位或证书而使用过的材料。学位论文作者签名：赵词唧签字日期：>

8、D厂p年∥骨口El学位论文版权使用授权书本人完全了解墨蕉塑太堂有关