| 李恒杰,高鹏飞,薛晓璐,张磊,赵永祥.低共熔体中微波离子热法合成TAPO-5分子筛[J].分子催化,2018,32(3):218-227 |
| 低共熔体中微波离子热法合成TAPO-5分子筛 |
| Ionothermal Synthesis of TAPO-5 Molecular Sieve by Microwave Irradiation in Eutectic Mixture |
| 投稿时间：2018-02-04 修订日期：2018-03-10 |
| DOI： |
| 中文关键词: 低共熔体 离子热法 微波 TAPO-5 苯乙烯氧化制苯甲醛 |
| 英文关键词:eutectic mixture ionothermal synthesis microwave TAPO-5 oxidation of styrene to benzaldehyde |
| 基金项目:国家自然青年科学基金（编号：21403135，21303097，21305082）；山西省科技攻关计划项目（工业）（项目编号：201603D121018-1） |
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| 中文摘要: |
| 以丁二酸、氯化胆碱与四乙基溴化铵复配形成的低共熔体作为溶剂和模板剂，采用微波辐射-离子热法合成了TAPO-5分子筛.考察了钛源、铝源、原料配比、晶化条件等因素对TAPO-5分子筛合成的影响.采用XRD、N2物理吸脱附、SEM和DRS UV-Vis等方法对产物的结构、织构、形貌和钛的配位状态等性质进行了表征.结果表明，TAPO-5分子筛的合成受铝源、钛源影响较大，最佳钛源为六氟钛酸铵，最佳铝源为异丙醇铝.所得分子筛在苯乙烯的氧化制苯甲醛反应中表现出较好的催化性能，苯甲醛的选择性达到91.4%. |
| 英文摘要: |
| TAPO-5 molecular sieve was ionothermally synthesized by microwave irradiation and using eutectic mixture based on succinic acid, choline chloride and tetraethyl ammonium bromide as both solvent and template. The influences of titanium source, aluminum source, raw material ratio and crystallization conditions on the synthesis of TAPO-5 zeolite were investigated. XRD, N2 adsorption, SEM and DRS UV-Vis were used to characterize the structure, texture, morphology and coordinating status of titanium of the products. The results show that the synthesis process of TAPO-5 molecular sieve is greatly affected by aluminum source and titanium source. The optimal titanium source is ammonium hexafluorotitanate and the optimal aluminum source is aluminum isopropoxide. The obtained molecular sieves exhibited fine catalytic performance in the oxidation of styrene, the selectivity to benzaldehyde reached 91.4%. |
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