Journal
CHEMICAL ENGINEERING JOURNAL
Volume 158, Issue 2, Pages 225-232Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2009.10.064
Keywords
Ethanol steam reforming; Hydrogen production; CoZnAl catalysts
Categories
Funding
- CONICET
- ANPCyT [PME 87-PAE 36985]
- Universidad Nacional de San Luis
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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.
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