Effect of Zr Addition on Catalytic Performance of Cu-Zn-Al Oxides for CO2 Hydrogenation to Methanol

被引：4
|
作者：
Ben Shunge [1 ]
Yuan Fulong [1 ]
Zhu Yujun [1 ]
机构：
[1] Heilongjiang Univ, Sch Chem & Mat, Minist Educ, Key Lab Funct Inorgan Mat Chem, Harbin 150080, Peoples R China
来源：
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2016年 / 32卷 / 06期
关键词：
Carbon dioxide; Reverse co-precipitation; Methanol; Catalytic hydrogenation; Copper based catalyst; CARBON-DIOXIDE; CU/ZN/AL/ZR CATALYSTS; FUNCTIONALITY; ADSORPTION; PRECURSORS; COMPLEXES; CARRIERS; CU/ZNO; SYSTEM; H-2;
D O I：
10.1007/s40242-016-6130-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A series of 50% CuO-25%ZnO-25%Al(Zr) oxide catalysts was synthesized by a reverse co-precipitation method and characterized by XRD, N-2 adsorption-desorption, H-2-TPR, H-2-TPD and CO2-TPD, and used as catalyst for CO2 hydrogenation to methanol under mild conditions(200-260 degrees C and 1-3 MPa). Consequently, H-2-TPR exhibited that the dispersed CuO species increased with the zirconium content, while the H-2-TPD showed that small amount of zirconia can increase the H-2 desorption amount. As a result, Cat-2 and Cat-3 exhibited an enhanced H-2-spillover effect, the most H-2 desorption amount, which showed an optimum activity of about 7% methanol yield.
引用
收藏
页码：1005 / 1009
页数：5
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