Insights into the mechanism of methanol-to-olefin conversion at zeolites with systematically selected framework structures

被引：112
|
作者：
Cui, Zhi-Min [1 ]
Liu, Qiang [1 ]
Song, Wei-Guo [1 ]
Wan, Li-Jun [1 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100080, Peoples R China
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2006年 / 45卷 / 39期
关键词：
heterogeneous catalysis; isotopic labeling; methanol-to-olefin process; reaction mechanisms; zeolites;
D O I：
10.1002/anie.200602488
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Figure Presented) Com-paring mechanisms: The so-called hydrocarbon pool mechanism does not operate with zeolite ZSM-22 in the methanol-to-olefin (MTO) conversion process as a result of the narrow channels (0.57 nm) in its framework structure. However, this provided a condition free of secondary reactions for detailed mechanistic studies, with H/D exchange patterns of toluene suggesting a paring mechanism. © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：6512 / 6515
页数：4
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