新型MCM-41固载化铌酸催化氧化环戊烯制备戊二醛.pdf

新型MCM．41固载化铌酸催化氧化环戊烯制备戊二醛 徐建华 戴维林睾 杨新丽 曹 勇 范康年 (复旦大学化学系 上海市分子催化和功能材料重点实验室上海200433) 化剂，并用XRD，BET，N2吸附等手段进行了表征．该催化剂在环戊烯催化氧化制备戊二醛的反应中表现出优良的催化性 能，环戊烯的转化率高达100％，戊二醛收率达到50％，展现了良好的应用前景． 关键词铌酸，MCM-41，环戊烯，戊二醛，选择氧化，过氧化氢 of MCM-41 NiobiumAcidforthe Oxidation Novel Supported Catalytic toGlutaraldehyde Cyclopentene YANG，Xin-Li XU，Jian．HuaDAI，Wei．Un+ CAO，YongFAN，Kang-Nian Molecularand胁10￡呦眈Materials， (DE舯删ofChemistryand虢喇KeyLaboratoryof Catalysis 200433) Fudan№毋，Shanghai has inMCM-41forthe ofnovelefficient AbstractNiobiumacid been Nb205／MCM-41by doped synthesis catalyst Nb—oxalicacid asthe hasbeencharacterizedmeansofXRD， catalyst by usingaqueous compoundsprecursor．The of and methodsandshowsa intheselectiveoxidation catalyticperformance BET，N2．adsorptiondesorption satisfying to conversionreaches100％andthe hascometo its glutaraldehyde．The yield up 50％，suggesting cyclopentene favorable in industry． applicationpotential niobium oxidation，H202 Keywords acid，MCM-41，cyclopentene，glutaraldehyde，selective 由于非均相催化剂相对于传统均相