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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   
单位:(长春理工大学纳米技术研究中心 长春 130022) 
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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