江兴惠,张春,王学瑞,韩浩,顾学红

• 1:南京工业大学 化工学院 材料化学工程国家重点实验室，江苏 南京 211816

摘要(Abstract)：

针对甲苯与1，2，4-三甲苯烷基转移反应催化剂易失活的问题，以球磨丝光沸石（MOR）分子筛为晶种，诱导合成小粒径MOR分子筛，并经离子交换制得H-MOR催化剂。研究了反应温度、进料空速（WHSV）、原料分压等操作条件对催化剂性能的影响。结果表明，原位水热合成MOR分子筛粒径为20 μm，而球磨晶种诱导24 h颗粒尺寸仅为3 μm。氢离子交换16 h所制备H-MOR催化剂性能最优，反应温度为350℃、WHSV为3 h^-1、二个原料分压均为1 kPa时，总转化率达56.9%，对二甲苯（PX）产率达8.9%，且催化性能稳定。

关键词(KeyWords)： 球磨晶种;丝光沸石;甲苯;1,2,4-三甲苯;烷基转移反应

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金（21606126,21776128）；江苏省“333”高层次人才资助（第二层次）。

作者(Author): 江兴惠,张春,王学瑞,韩浩,顾学红

DOI: 10.3969/j.issn.1003-9015.2020.06.011

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