Immobilization of Preyssler type heteropoly acids on siliceous mesoporous supports and their catalytic activities in the dehydration of ethanol
Immobilization of Preyssler type heteropoly acids on siliceous mesoporous supports and their catalytic activities in the dehydration of ethanol
复制标题
Preyssler型杂多酸在硅质介孔载体上的固定化及其对乙醇脱水的催化活性
DOI：
10.1007/s11144-019-01646-1
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
Masahiro Sadakane
中科院分区：
文献类型：
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作者：
Mahuya Bandyopadhyay;Divya Jadav;Nao Tsunoji;Tsuneji Sano;Masahiro Sadakane
合成了具有不同孔结构的多孔材料，并采用后合成湿浸渍法对Preyssler型杂多酸材料进行了改性。通过不同的物理-化学技术对功能化材料进行了彻底的表征。表征结果表明，改性后的产物结构保持良好。醇脱水制乙烯的催化结果表明，所有材料都具有催化活性。与Preyssler（没有任何载体）相比，其根本没有显示出活性，中孔基质提供了用于容纳杂多酸的活性载体，发现杂多酸对于该反应是优异的催化剂。
Porous materials with different pore structure were synthesized and modified with Preyssler-type heteropolyacid material by post-synthetic wet-impregnation method. The functionalized materials were thoroughly characterized by different physic-chemical techniques. As reveled by characterization, the structures were well preserved after the modification. All the materials were catalytically active as proved by the catalytic results in dehydration of alcohol to ethylene. On comparison with Preyssler (without any support), which did not show activity at all, mesoporous matrices provided active support for hosting heteropolyacids which was found to be an excellent catalyst for this reaction.