Study of Zeolite-Encapsulated Metal Nanoparticles as Highly Efficient Heterogeneous Catalysts
1. Zhejiang Zanyu Technology Co Ltd, Hangzhou 311305, China;
2. Department of Chemistry, Zhejiang University, Hangzhou 310028, China;
3. College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
Abstract：Metals and zeolites are two important catalysts for a wide range of applications in redox and acid catalyzed reactions. However, agglomeration and sintering of metal nanoparticles generally results in a loss of catalytic performance during the reaction. Due to the lack of metal active sites, zeolite molecular sieves with uniform pores, structural diversity and large specific surface area are greatly limited in reactivity and application. Therefore, it is urgent to encapsulate metal nanoparticles inside the zeolite crystal. This review focused on the research progress in metal@zeolite catalysts. By using stabilizers with organic groups or seed method to synthesize metal or metal oxides@zeolite catalysts, the high activity of metal particles and the high selectivity of zeolites carrier could be effectively combined. While enhancing the reactivity, it also embodied a series of excellent properties such as synergistic effect, reaction selectivity, leaching resistance and sinter resistance. These advantages made such catalysts a good industrial prospect.
JIN Zhu2,GE Zan1,WANG Liang3. Study of Zeolite-Encapsulated Metal Nanoparticles as Highly Efficient Heterogeneous Catalysts[J]. 化学反应工程与工艺, 2019, 35(5): 469-480.
