CoZnAl catalysts for ethanol steam reforming reaction

被引：24
|
作者：
Noelia Barroso, M. [1 ]
Gomez, Manuel F. [1 ]
Arrua, Luis A. [1 ]
Cristina Abello, M. [1 ]
机构：
[1] UNSL CONICET, Inst Invest Tecnol Quim, RA-5700 Chacabuco Y Pedernera, San Luis, Argentina
来源：
CHEMICAL ENGINEERING JOURNAL | 2010年 / 158卷 / 02期
关键词：
Ethanol steam reforming; Hydrogen production; CoZnAl catalysts; SUPPORTED COBALT CATALYSTS; HYDROGEN-PRODUCTION; FUEL-CELL; COMPOUND FORMATION; SYNTHESIS GAS; CO; REFORMATION; BIOMASS; NI;
D O I：
10.1016/j.cej.2009.10.064
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The ethanol steam reforming was studied at 500 and 600 degrees C on CoZnAl catalysts with different Co loading (9 and 25 wt.%) and a Zn:Al atomic ratio nearly constant (Zn:Al congruent to 0.6). The catalysts were prepared by the citrate sal-gel method and characterized by different techniques such as AA, TG, BET, TPR, XRD, RAMAN and SEM-EDX. They were active in the ethanol steam reforming at atmospheric pressure in the temperature range studied, but with significant differences in their performance. High hydrogen selectivities, better than 80%, were obtained on catalyst with high Co loading (25 wt.%). CO, CO2 and minor amount of CH4 were the only carbon products at 600 degrees C. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：225 / 232
页数：8
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