One-step synthesis of dimethyl ether from syngas on ordered mesoporous copper incorporated alumina

被引：0

作者：

Yan Wang ^{[1
,2
]}

Yuexian Chen ^{[1
,2
]}

Feng Yu ^{[2
]}

Dahai Pan ^{[2
]}

Binbin Fan ^{[1
,2
]}

Jinghong Ma ^{[1
,2
]}

Ruifeng Li ^{[2
]}

机构：

[1] Institute of Special Chemicals, Taiyuan University of Technology

[2] College of Chemistry and Chemical engineering, Taiyuan University of Technology

来源：

Journal of Energy Chemistry | 2016年 / 25卷 / 05期

基金：

中国国家自然科学基金; 山西省青年科学基金;

关键词：

Syngas; Dimethyl ether; Solution combustion; Bifunctional catalyst;

D O I：

暂无

中图分类号：

TQ223.24 [];

学科分类号：

0817 ;

摘要：

Ordered mesoporous copper incorporated Al;O;（Cu/Al;O;） with high Cu dispersion were prepared by a facile solution combustion synthesis method using aluminum nitrate and copper nitrate as oxidants and urea as fuel. It is a facile and green route to synthesize catalysts for dimethyl ether directly from syngas. Cu/Al;O;catalysts were characterized by XRD, N;adsorption–desorption, SEM-EDS, and H;-TPR.The results indicate that the catalysts obtain an ordered mesoporous structure and copper is homogenously dispersed. The mesoporous Cu/Al;O;catalysts were utilized as bifunctional catalysts in syngas to dimethyl ether reaction（STD）. The copper content affects the catalytic performance in STD reaction. The CO conversion and DME selectivity of Cu/Al;O;with 15% copper molar ratio achieve 52.9% and 66.1%,respectively. Moreover, the mesoporous Cu/Al;O;catalysts show excellent stability in STD reaction.

引用

页码：775 / 781

页数：7

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