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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Ni catalysts from NiAl
2
O
4
spinel for CO
2
reforming of methane
Catalysis Today, Volume 113, No. 3-4, Year 2006
Notification
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Description
A series of mixed oxides close to NiAl2O4 was obtained by a sol-gel like method (propionic acid). The characterization of the different structures was made by X-ray diffraction (XRD), scanning electron microscopy (SEM) or transmission electron microscopy (TEM). For the stoichiometric ratio of Ni to Al exactly equal to 0.5, homogeneous crystalline spinel phase was formed for a temperature of calcination equal or higher than 725 °C. A solid solution was obtained for a Ni/Al ratio lower than 0.5. The spinel structure is non-tolerant concerning a change of nickel to aluminum ratio higher than 0.5: an excess of nickel gives large particles of NiO on spinel phase. Comparative reduction and dry reforming of these oxides was made to control the formation of Ni and its sintering for applications in methane dry reforming. Preliminary reactivity results in dry reforming of methane are given. © 2005 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Sahli, N.
France, Strasbourg
Institut de Chimie et Procédés Pour L'energie, L'environnement et la Santé Icpees
Algeria, Algiers
Université Des Sciences et de la Technologie Houari Boumediene
Petit, C.
France, Strasbourg
Institut de Chimie et Procédés Pour L'energie, L'environnement et la Santé Icpees
Roger, Anne Cécile
France, Strasbourg
Institut de Chimie et Procédés Pour L'energie, L'environnement et la Santé Icpees
Kiennemann, Alain A.
France, Strasbourg
Institut de Chimie et Procédés Pour L'energie, L'environnement et la Santé Icpees
Libs, S.
France, Strasbourg
Institut de Chimie et Procédés Pour L'energie, L'environnement et la Santé Icpees
Bettahar, Mohammed M.
France, Vandoeouvre-les-nancy
Laboratoire Lorrain de Chimie Moléculaire
Statistics
Citations: 166
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1016/j.cattod.2005.11.065
ISSN:
09205861