| 镁铝复合氧化物在醇醚合成反应中的催化性能 |
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| 引用本文： | 赵芸,何杨,金忠宝,矫庆泽. 镁铝复合氧化物在醇醚合成反应中的催化性能[J]. 北京理工大学学报, 2009, 29(4): 360-363 |
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| 作者姓名： | 赵芸 何杨 金忠宝 矫庆泽 |
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| 作者单位： | 北京理工大学,化工与环境学院,北京,100081 |
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| 摘 要： | 以镁铝层状双金属氢氧化物(LDH)为前体焙烧得到的镁铝复合氧化物(CLDH)为催化剂,催化乙醇和环氧丙烷反应合成醇醚.系统研究了CLDH的孔结构和化学组成对催化剂活性和产物选择性的影响,并考察了催化剂的寿命.结果表明,随CLDH碱性增强及比表面积增大,催化剂活性提高,且催化剂孔分布对醇醚产物有择形性.
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| 关 键 词： | 层状双金属氢氧化物 催化 复合氧化物 醇醚 |
| 收稿时间： | 2008-05-15 |
Catalytic Properties of Calcined Mg/Al Layered Double Hydroxides in the Synthesis of Glycol Ethers |
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| ZHAO Yun,HE Yang,JIN Zhong-bao and JIAO Qing-ze. Catalytic Properties of Calcined Mg/Al Layered Double Hydroxides in the Synthesis of Glycol Ethers[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 2009, 29(4): 360-363 |
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| Authors: | ZHAO Yun HE Yang JIN Zhong-bao JIAO Qing-ze |
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| Affiliation: | School of Chemical Engineering and Environment;Beijing Institute of Technology;Beijing 100081;China |
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| Abstract: | Glycol ethers were synthesized via the reaction between ethanol and 1,2-epoxypropane using calcined Mg/Al layered double hydroxides(CLDH) as catalysts.The influence of pore structure and composition of CLDH on the catalytic activity and product distribution of glycol ethers is studied systematically.In addition,the catalytic activity of CLDH as a function of times of reuse is also investigated.The result showed that the catalytic activity increased with the increase in the basicity and specific surface area... |
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| Keywords: | layered double hydroxides catalysis calcined layered double hydroxieds glycol ethers |
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