A top-down approach to prepare silicoaluminophosphate molecular sieve nanocrystals with improved catalytic activity

被引：119

作者：

Yang, Miao ^{[1
]}

Tian, Peng ^{[1
]}

Wang, Chan ^{[1
,2
]}

Yuan, Yangyang ^{[1
,2
]}

Yang, Yue ^{[1
]}

Xu, Shutao ^{[1
]}

He, Yanli ^{[1
]}

Liu, Zhongmin ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Natl Engn Lab Methanol Olefins, Dalian 116023, Peoples R China

[2] Univ Chinese Acad Sci, Beijing, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 15期

基金：

中国国家自然科学基金;

关键词：

CRYSTALLIZATION PROCESS; OLEFIN CONVERSION; SI DISTRIBUTION; SAPO-34; METHANOL; ZEOLITES; CRYSTALS;

D O I：

10.1039/c3cc48264b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Silicoaluminophosphate SAPO-34 molecular sieve nanocrystals have been prepared by a post-synthesis milling and recrystallization method, which is further proven to be universally applicable to other SAPO molecular sieves. The obtained SAPO-34 with reduced Si enrichment on the external surface shows considerably improved catalytic performance in the MTO reaction.

引用

收藏

页码：1845 / 1847

页数：3

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