摘要
高分散型金属改性硅基介孔分子筛因具有较高的催化活性在多个领域应用广泛。如何提高其活性位点的分散度及稳定性、改善骨架结构以期提高材料性能、降低成本是催化领域研究的热点。综述了近年来该类材料几种常用或新型的制备方法及原理、优缺点。在此基础上,进一步概述了其高分散多金属强化的类型。最后对发展前景进行了展望。
Highly dispersed metal-modified silicon mesoporous molecular sieves have been widely used in many fields due to their high catalytic activity.How to improve the dispersion and stability of active center and improve the skeleton structure,in order to increase the performance of this material and reduce its cost,is a hot topic in the field of catalysis.Several common and novel preparation methods and their theory,advantages,disadvantages were reviewed.On this foundation,the advances of multi-metal reinforced method were summarized.At last,the development prospects of this material were discussed.
出处
《化工新型材料》
CAS
CSCD
北大核心
2017年第12期212-215,共4页
New Chemical Materials
基金
国家自然科学基金项目(41201516)
环保公益性行业科研专项(201409047)
北京市公益性科研院所改革与发展专项(613-2017A-22)
关键词
高分散
金属改性
介孔分子筛
催化
多金属强化
highly dispersity, metal-modification, silicon mesoporous molecular sieve, catalysis, multi-metal reinforcing
