Fe2O3 nanoparticles encapsulated in TiO2 nanotubes for Fischer-Tropsch synthesis: The confinement effect of nanotubes on the catalytic performance

被引：26

作者：

Wang, Wenbo ^{[1
,2
]}

Ding, Mingyue ^{[1
]}

Ma, Longlong ^{[1
]}

Yang, Xu ^{[1
]}

Li, Juan ^{[1
]}

Tsubaki, Noritatsu ^{[3
]}

Yang, Guohui ^{[3
]}

Wang, Tiejun ^{[1
]}

Li, Xinjun ^{[1
]}

机构：

[1] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou, Guangdong, Peoples R China

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

[3] Toyama Univ, Sch Engn, Dept Appl Chem, Toyama 9308555, Japan

来源：

FUEL | 2016年 / 164卷

基金：

中国国家自然科学基金;

关键词：

Confinement effect; TiO2; nanotube; Fischer-Tropsch synthesis; Iron-based catalysts; Elongation of carbon chain; CARBON NANOTUBES; LOWER OLEFINS; SELECTIVITY; MECHANISM;

D O I：

10.1016/j.fuel.2015.09.089

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The catalysts with high activity and selectivity, especially the latter, play a key role in Fischer-Tropsch synthesis technology. Herein, a novel Fe-based confinement catalyst, Fe2O3 encapsulated in TiO2 nanotubes, was prepared by a method of vacuum-assisted impregnation. The catalyst presented an excellent yield of oil phase hydrocarbons and C5+ selectivity due to the confinement effect. This interesting phenomenon was discussed from the view of the restrained molecular movement and enhanced readsorption of short-chain alpha-olefins in the confined space of TiO2 nanotube channels. The results over this novel confinement catalyst revealed a promising research prospect on adjusting the product distribution to long-chain hydrocarbons for Fe-based Fischer-Tropsch catalyst. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：347 / 351

页数：5

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