A Cu/Zn/Al/Zr fibrous catalyst that is an improved CO2 hydrogenation to methanol catalyst

被引：129

作者：

An, Xin ^{[1
]}

Li, Jinlu ^{[1
]}

Zuo, Yizan ^{[1
]}

Zhang, Qiang ^{[1
]}

Wang, Dezheng ^{[1
]}

Wang, Jinfu ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Chem Engn, Beijing Key Lab Green Chem React Engn & Technol, Beijing 100084, Peoples R China

来源：

CATALYSIS LETTERS | 2007年 / 118卷 / 3-4期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

Cu/Zn/Al/Zr; CO2; hydrogenation;

D O I：

10.1007/s10562-007-9182-x

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A series of Cu/Zn/Al/Zr CO2 hydrogenation to methanol catalysts containing different ratios of Al/Zr were prepared using a co-precipitation procedure. SEM, TEM, and XRD characterization showed that all the catalysts comprised crystallites in a fibrous structure and their Cu/Zn crystallite dispersions were better than that of a commercial (COM) catalyst. It is suggested that the high dispersion and stability of the Cu/Zn crystallites due to the fibrous structure enhanced CO2 hydrogenation, and the added Zr component further improved the catalyst. A 5% Zr addition gave a methanol space time yield 80% higher than that on the COM catalyst.

引用

页码：264 / 269

页数：6

共 29 条

[1] Deactivation and regeneration of hybrid catalysts in the single-step synthesis of dimethyl ether from syngas and CO2 [J].