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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Hydrogen production by ethanol reforming over Rh/CeO
2
-ZrO
2
catalysts
Catalysis Communications, Volume 3, No. 12, Year 2002
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Description
Reforming of ethanol in excess of water (1-8 molar ratio) has been investigated on Rh/CeO2, Rh/ZrO2 and Rh/CeO 2-ZrO2 (Ce/Zr = 4, 2 and 1). Catalysts characterization was conducted by X-ray diffraction, BET surface area measurements, CO 2 adsorption, and temperature programmed reduction (TPR). At 400-500 °C all catalysts showed high activity and selectivity towards hydrogen production (between 5 and 5.7 mol of H2 per mol of ethanol inlet) despite the considerable textural differences of the oxides (fluorite, monoclinic and tetragonal). The large variations of Rh dispersion (as monitored by TPR) between all catalysts had a small effect on H2 production. Although it appears that the reaction is not sensitive to either the oxide or the metal structure Rh/CeO2 (the most basic catalyst investigated) was the least reactive. © 2002 Published by Elsevier Science B.V.
Authors & Co-Authors
Diagne, C.
France, Strasbourg
Institut de Chimie et Procédés Pour L'energie, L'environnement et la Santé Icpees
Senegal, Dakar
Université Cheikh Anta Diop de Dakar
Idriss, Hicham
New Zealand, Auckland
The University of Auckland
Kiennemann, Alain A.
France, Strasbourg
Institut de Chimie et Procédés Pour L'energie, L'environnement et la Santé Icpees
Statistics
Citations: 222
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1016/S1566-7367(02)00226-1
ISSN:
15667367
Research Areas
Environmental