硅酸盐学报

简易方法合成多级孔TNU-9分子筛及其在甲烷无氧芳构化中的应用

作者：张轶楠刘恒

关键词：复合材料多级孔分子筛甲烷芳构化

分类号：O643

出版年,卷(期):页码：2019,47(9):0-0

DOI：

摘要：

通过调节分子筛合成体系参数，采用一步水热晶化法合成出了具有多级孔道结构的TNU-9-H沸石分子筛。和传统TNU-9-C分子筛相比，多级孔TNU-9-H材料展现出独特的形貌，结构性质和酸性。此外，在甲烷芳构化反应中，钼基TNU-9-H催化材料表现出高于传统TNU-9-C材料的甲烷转化率，芳烃产率和稳定性，甲烷转化率最高达到13.5%。多孔材料优异的催化性能是由于TNU-9结构中产生了二级孔道系统，它可以影响钼物种的存在状态，促进反应物与活性中心相互作用，加速目标产物的扩散。提出了一种制备多级孔TNU-9分子筛的简易方法，同时为多孔材料在甲烷芳构化中的应用提供新的思路。

基金项目：

吉林省教育厅“十三五”科学技术研究规划项目(JJKH20181118KJ)；吉林省科技厅优秀青年人才基金项目(20190103023JH)。

作者简介：

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