Ni catalysts from NiAl2O4 spinel for CO2 reforming of methane
Identifieur interne : 000207 ( France/Analysis ); précédent : 000206; suivant : 000208Ni catalysts from NiAl2O4 spinel for CO2 reforming of methane
Auteurs : N. Sahli [France, Algérie] ; C. Petit [France] ; A. C. Roger [France] ; A. Kiennemann [France] ; S. Libs [France] ; M. M. Bettahar [France]Source :
- Catalysis today [ 0920-5861 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Nickel.
English descriptors
- KwdEn :
Abstract
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.
Affiliations:
- Algérie, France
- Alsace (région administrative), Grand Est, Lorraine (région)
- Strasbourg, Vandoeuvre-les-Nancy
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Pascal:06-0371425Le document en format XML
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O<sub>4</sub>
spinel for CO<sub>2</sub>
reforming of methane</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Ni catalysts from NiAl<sub>2</sub>
O<sub>4</sub>
spinel for CO<sub>2</sub>
reforming of methane</title>
<author><name sortKey="Sahli, N" sort="Sahli, N" uniqKey="Sahli N" first="N." last="Sahli">N. Sahli</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Ecole Européenne de Chimie, Polymères et Matériaux de Strasbourg-Laboratoire Matériaux, Surface, Procédés Pour la Catalyse UMR 7515-25 Rue Becquerel</s1>
<s2>67087 Strasbourg</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<sZ>4 aut.</sZ>
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<country>France</country>
<placeName><region type="region" nuts="2">Grand Est</region>
<region type="old region" nuts="2">Alsace (région administrative)</region>
<settlement type="city">Strasbourg</settlement>
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</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire de Chimie du Gaz Naturel, Faculté de Chimie, USTHB 109 El-Alia</s1>
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<s3>DZA</s3>
<sZ>1 aut.</sZ>
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<s2>67087 Strasbourg</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<author><name sortKey="Roger, A C" sort="Roger, A C" uniqKey="Roger A" first="A. C." last="Roger">A. C. Roger</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Ecole Européenne de Chimie, Polymères et Matériaux de Strasbourg-Laboratoire Matériaux, Surface, Procédés Pour la Catalyse UMR 7515-25 Rue Becquerel</s1>
<s2>67087 Strasbourg</s2>
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<author><name sortKey="Kiennemann, A" sort="Kiennemann, A" uniqKey="Kiennemann A" first="A." last="Kiennemann">A. Kiennemann</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Ecole Européenne de Chimie, Polymères et Matériaux de Strasbourg-Laboratoire Matériaux, Surface, Procédés Pour la Catalyse UMR 7515-25 Rue Becquerel</s1>
<s2>67087 Strasbourg</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Grand Est</region>
<region type="old region" nuts="2">Alsace (région administrative)</region>
<settlement type="city">Strasbourg</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Libs, S" sort="Libs, S" uniqKey="Libs S" first="S." last="Libs">S. Libs</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Ecole Européenne de Chimie, Polymères et Matériaux de Strasbourg-Laboratoire Matériaux, Surface, Procédés Pour la Catalyse UMR 7515-25 Rue Becquerel</s1>
<s2>67087 Strasbourg</s2>
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<sZ>1 aut.</sZ>
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<sZ>5 aut.</sZ>
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<country>France</country>
<placeName><region type="region" nuts="2">Grand Est</region>
<region type="old region" nuts="2">Alsace (région administrative)</region>
<settlement type="city">Strasbourg</settlement>
</placeName>
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</author>
<author><name sortKey="Bettahar, M M" sort="Bettahar, M M" uniqKey="Bettahar M" first="M. M." last="Bettahar">M. M. Bettahar</name>
<affiliation wicri:level="3"><inist:fA14 i1="03"><s1>Equipe de Recherche Réactivité et Synthèse Organique, Groupe Catalyse Hétérogène-UMR 7565-Université H. Poincaré, Nancy-1 BP 239</s1>
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</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Grand Est</region>
<region type="old region" nuts="2">Lorraine (région)</region>
<settlement type="city">Vandoeuvre-les-Nancy</settlement>
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<series><title level="j" type="main">Catalysis today</title>
<title level="j" type="abbreviated">Catal. today</title>
<idno type="ISSN">0920-5861</idno>
<imprint><date when="2006">2006</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbon dioxide</term>
<term>Catalyst</term>
<term>Heterogeneous catalysis</term>
<term>Methane</term>
<term>Nickel</term>
<term>Reforming</term>
<term>Spinel</term>
<term>Spinels</term>
<term>Synthesis gas</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Catalyseur</term>
<term>Spinelle</term>
<term>Spinelles</term>
<term>Reformage</term>
<term>Méthane</term>
<term>Nickel</term>
<term>Gaz synthèse</term>
<term>Catalyse hétérogène</term>
<term>Carbone dioxyde</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Nickel</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">A series of mixed oxides close to NiAl<sub>2</sub>
O<sub>4</sub>
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.</div>
</front>
</TEI>
<affiliations><list><country><li>Algérie</li>
<li>France</li>
</country>
<region><li>Alsace (région administrative)</li>
<li>Grand Est</li>
<li>Lorraine (région)</li>
</region>
<settlement><li>Strasbourg</li>
<li>Vandoeuvre-les-Nancy</li>
</settlement>
</list>
<tree><country name="France"><region name="Grand Est"><name sortKey="Sahli, N" sort="Sahli, N" uniqKey="Sahli N" first="N." last="Sahli">N. Sahli</name>
</region>
<name sortKey="Bettahar, M M" sort="Bettahar, M M" uniqKey="Bettahar M" first="M. M." last="Bettahar">M. M. Bettahar</name>
<name sortKey="Kiennemann, A" sort="Kiennemann, A" uniqKey="Kiennemann A" first="A." last="Kiennemann">A. Kiennemann</name>
<name sortKey="Libs, S" sort="Libs, S" uniqKey="Libs S" first="S." last="Libs">S. Libs</name>
<name sortKey="Petit, C" sort="Petit, C" uniqKey="Petit C" first="C." last="Petit">C. Petit</name>
<name sortKey="Roger, A C" sort="Roger, A C" uniqKey="Roger A" first="A. C." last="Roger">A. C. Roger</name>
</country>
<country name="Algérie"><noRegion><name sortKey="Sahli, N" sort="Sahli, N" uniqKey="Sahli N" first="N." last="Sahli">N. Sahli</name>
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</record>
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