Synthesis of GME zeolite with high porosity by hydrothermal conversion of FAU zeolite using a dual-template method with tetraethylphosphonium and N,N-dimethyl-3,5-dimethylpiepridinium hydroxides

被引：0
作者：
Emi Mitani
Nao Tsunoji
Masahiro Sadakane
Tsuneji Sano
机构：
[1] Hiroshima University,Department of Applied Chemistry, Graduate School of Engineering
来源：
Journal of Porous Materials | 2019年 / 26卷
关键词：
Hydrothermal conversion; FAU zeolite; GME zeolite; Dual-template method; High porosity;
D O I：
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学科分类号：
摘要：
Highly crystalline gmelinite (GME) zeolites with Si/Al ratio of ~ 3 were successfully synthesized from FAU zeolites as the starting silica/alumina source using the dual-template method with a mixture of tetraethylphosphonium and N,N-dimethyl-3,5-dimethylpiepridinium cations as an organic structure-directing agent (OSDA). It was also found that the prepared GME zeolite exhibited high porosity when the as-made GME zeolite was K+ ion-exchanged and then calcined at 580 °C at 6 h to remove OSDAs in the zeolitic pores.
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页码：1345 / 1352
页数：7
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