金属封装型非均相沸石催化剂的研究进展  

Research progress in metal-encapsulated heterogeneous zeolite catalysts

作　　者：陈惠莹 田宇轩 王海英[1,2] 张亚男 张晓丹 刘心雨 陈彦广 CHEN Huiying;TIAN Yuxuan;WANG Haiying;ZHANG Yanan;ZHANG Xiaodan;LIU Xinyu;CHEN Yanguang(College of Chemistry&Chemical Engineering,Northeast Petroleum University,Daqing 163318,China;Heilongjiang Provincial Key Laboratory of Oil and Gas Chemical Technology,Daqing 163318,China)

机构地区：[1]东北石油大学化学化工学院,黑龙江大庆163318 [2]黑龙江省石油与天然气化工省重点实验室,黑龙江大庆163318

出　　处：《化工科技》2024年第4期67-72,共6页Science & Technology in Chemical Industry

基　　金：国家自然科学青年基金项目(21908021);中国石油科技创新基金项目(2021DQ02-0701);东北石油大学新能源新领域培育项目(XNYXLY202102);东北石油大学引导性创新基金项目(2021YDL-03)。

摘　　要：将金属纳米颗粒固定在沸石晶体中是一种非均相催化剂(金属@沸石)的新型制备方法,在许多重要的反应中,其稳定性优于一般负载型催化剂。根据金属物种的大小及其在沸石孔道中的相对位置对金属@沸石催化剂进行分类,并简要综述了金属@沸石催化剂的合成策略及催化性能方面的研究进展,与普通负载型催化剂相比,金属@沸石催化剂具备优异的抗烧结、抗浸出性能及选择性催化性能。总结了金属@沸石催化剂面临的挑战,并对其应用前景进行展望。Fixation of metal nanoparticles in zeolite crystals is a new preparation method for heterogeneous catalysts(metal@zeolite),which is more stable than ordinary supported catalysts in many important reactions.In this paper,metal@zeolite catalysts were classified according to the size of metal species and their relative positions in zeolite pores,and the research progress in synthesis strategy and catalytic performance of metal@zeolite catalysts were briefly reviewed.The excellent anti-sintering,anti-leaching and selective catalytic performance of metal@zeolite catalysts were emphasized compared with ordinary supported catalysts.Finally,the challenges faced by metal@zeolite catalysts were summarized,and their application prospects were prospected.

关 键 词：非均相催化剂 沸石 纳米颗粒 封装 催化性能 

分 类 号：TQ426[化学工程]