Al-MCM-48和Ti-MCM-48的合成及其催化性能

Zhao Zhixi, Liming Zhang, Ping Chen, Yan Kun
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引用次数: 0

摘要

采用水热法分别添加铝源和钛源合成了杂原子介孔分子筛MCM-48。结果表明,通过调节合成凝胶的碱度,可以分别合成MCM-48。9 h后,DIPB在Al-MCM-48上的转化率提高到80%,IPB的选择性为97%。8 h后,苯乙烯在Ti-MCM-48上的转化率提高到9%,苯甲醛的选择性为85%。由于Al-MCM-48和Ti-MCM-48中存在介孔,铝和钛原子引入的有效活性位点被有效地用于催化反应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synthesis and Catalytic Performance of Al-MCM-48 and Ti-MCM-48
Mesoporous sieves MCM-48 with hetero atom were synthesized by adding aluminum and titanium sources through hydrothermal method. The results showed that MCM-48 could be synthesized respectively by adjusting exactly the alkalinity of synthesis gel. The conversion rate of DIPB on Al-MCM-48 increased to 80% after 9 h and the selectivity of IPB was were 97%. The conversion rate of styrene on Ti-MCM-48 increased to 9% after 8 h and the selectivity of benzaldehyde was 85%. The available active sites, which were introduced by aluminum and titanium atoms, were effectively utilized for catalyst reaction due to the presence of mesopores in Al-MCM-48 and Ti-MCM-48.
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