Synthesis of SAPO-35 molecular sieve and its catalytic properties in the methanol-to-olefins reaction

被引：14
|
作者：
Li Bing [1 ]
Tian Peng [1 ]
Li Jinzhe [1 ]
Chen Jingrun [1 ,2 ]
Yuan Yangyang [1 ,2 ]
Su Xiong [1 ,2 ]
Fan Dong [1 ,2 ]
Wei Yingxu [1 ]
Qi Yue [1 ]
Liu Zhongmin [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Natl Engn Lab Methanol To Olefins, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
CHINESE JOURNAL OF CATALYSIS | 2013年 / 34卷 / 04期
关键词：
SAPO-35; Methanol to olefins; SAPO-34; Coke species; Deactivation; HYDROCARBONS REACTION; SHAPE-SELECTIVITY; CONVERSION; DEACTIVATION; CAVITIES;
D O I：
10.1016/S1872-2067(12)60557-9
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
SAPO-35 molecular sieve samples with different Si contents were hydrothermally synthesized using hexamethyleneimine as the template and characterized by XRD, XRF, SEM, MAS NMR, XPS and N-2 physisorption. Three SAPO-35 samples were tested as methanol-to-olefins catalysts. After the reaction, the evolution of coke species was investigated over SAPO-35 and SAPO-34 catalysts with similar Si concentrations. A correlation between the cage size of the molecular sieves and the coke species was obtained. (C) 2013, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier RV. All rights reserved.
引用
收藏
页码：798 / 807
页数：10
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