高分散型金属改性硅基介孔分子筛的制备及强化方法  

Preparation and reinforcing method of highly dispersed metal-modified silicon mesoporous molecular sieve

作　　者：吴乃瑾 宋云 魏文侠 杨苏才 李佳斌 王海见 李保山[2] 

机构地区：[1]北京市科学技术研究院轻工业环境保护研究所,北京100089 [2]北京化工大学理学院,北京100029

出　　处：《化工新型材料》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)

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.

关 键 词：高分散 金属改性 介孔分子筛 催化 多金属强化 

分 类 号：O643.36[理学—物理化学]