原位晶化技术合成ZSM-5分子筛的研究进展  

Research progress on in-situ crystallization synthesis of ZSM-5 zeolite

作　　者：王群斐 高兆俊 李中付 张景岩 刘从华 WANG Qunfei;GAO Zhaojun;LI Zhongfu;ZHANG Jingyan;LIU Conghua(School of Materials Science and Engineering,Shandong University of Technology,Zibo 255000,China;Shandong College Engineering Research Center of Novel Rare Earth Catalytic Materials,Zibo 255000,China)

机构地区：[1]山东理工大学材料科学与工程学院,山东淄博255000 [2]山东省高校稀土催化新材料工程研究中心,山东淄博255000

出　　处：《石油化工》2023年第6期839-845,共7页Petrochemical Technology

基　　金：淄博市重点研发(学校-城市一体化)项目(2021SNPT0042)。

摘　　要：原位晶化技术合成的ZSM-5分子筛催化剂孔径大、稳定性好、催化活性高、抗重金属性能优异,在增产低碳烯烃和芳烃的炼化技术领域有着广阔的应用前景。阐述了采用黏土原位晶化技术合成ZSM-5分子筛的进展,对比了原位晶化催化剂和半合成催化剂的结构特征和反应性能差异,介绍了高岭土性质、硅铝活化方式、原料配比、模板剂有无对原位合成ZSM-5分子筛的物化性质和催化反应性能的影响规律,并指出原位晶化合成ZSM-5分子筛技术的发展方向。ZSM-5 zeolite catalyst prepared by in-situ crystallization has characteristic of large pore size,good stability,high catalytic activity and excellent resistance to heavy metals.It has broad application prospects in the refining technologyfield of increasing low-carbon olefins and aromatics production.The progress in the synthesis of ZSM-5 by in-situ crystallization with clay is reviewed,and the structural characteristics and reaction performance of the in-situ crystallized catalyst and semi-synthesized catalyst are compared.The effects of the properties of kaolin,the activation mode of silicon and aluminum,the ratio of raw materials,the presence or absence of templates on the physicochemical properties and catalytic reaction performance of the in-situ synthesized ZSM-5 are introduced,and the development direction of in-situ crystallization synthesis of ZSM-5 zeolite is pointed out.

关 键 词：ZSM-5分子筛 原位晶化 高岭土 催化性能 

分 类 号：TQ426.8[化学工程]