Sulfided catalysts based on apatite modified by adding zirconium ions: Characterization and catalytical behaviour
Identifieur interne : 000801 ( Main/Exploration ); précédent : 000800; suivant : 000802Sulfided catalysts based on apatite modified by adding zirconium ions: Characterization and catalytical behaviour
Auteurs : M. Aït Chaoui [Maroc] ; A. El Ouassouli [Maroc] ; A. Ezzamarty [Maroc] ; M. Lakhdar [Maroc] ; C. Moreau [France] ; J. Leglise [France] ; A. Travert [France]Source :
- Journal de physique. IV [ 1155-4339 ] ; 2005.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Supports based on apatite and apatite weakly enriched with zirconium phosphate were synthesized. On these supports, NiMo sulfides were transplanted. The NiMo/Apatites catalysts convert selectively the dimethyldisulfide (DMDS) to methanthiol contrary to their counterpart NiMo/Al2O3. Adding low amounts of zirconium ions improves the catalytical activity. The activity improvement is due to the increase of surface area, as well as to the good dispersion of the NiMo sulfide phase.
Affiliations:
- France, Maroc
- Basse-Normandie, Languedoc-Roussillon, Occitanie (région administrative), Région Normandie
- Caen, Montpellier
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Le document en format XML
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Travert</name><affiliation wicri:level="3"><inist:fA14 i1="03"><s1>Laboratoire Catalyse et Spectrochimie, UMR CNRS 6506, ISMRA, 6 Bd. du Maréchal Juin</s1><s2>14050 Caen</s2><s3>FRA</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Journal de physique. IV</title><title level="j" type="abbreviated">J. phys., IV</title><idno type="ISSN">1155-4339</idno><imprint><date when="2005">2005</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal de physique. IV</title><title level="j" type="abbreviated">J. phys., IV</title><idno type="ISSN">1155-4339</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Apatite</term><term>Dimethyl sulfide</term><term>Heterogeneous catalysis</term><term>Modified material</term><term>Molybdenum Sulfides</term><term>Nickel Sulfides</term><term>Organic disulfide</term><term>Supported catalyst</term><term>Ternary compound</term><term>Transition metal Compounds</term><term>Transition metal Ions</term><term>Zirconium Ions</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Apatite</term><term>Catalyseur sur support</term><term>Nickel Sulfure</term><term>Molybdène Sulfure</term><term>Composé ternaire</term><term>Métal transition Composé</term><term>Méthyle sulfure</term><term>Disulfure organique</term><term>Catalyse hétérogène</term><term>Matériau modifié</term><term>Métal transition Ion</term><term>Zirconium Ion</term><term>Méthanethiol</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Supports based on apatite and apatite weakly enriched with zirconium phosphate were synthesized. On these supports, NiMo sulfides were transplanted. The NiMo/Apatites catalysts convert selectively the dimethyldisulfide (DMDS) to methanthiol contrary to their counterpart NiMo/Al<sub>2</sub>O<sub>3</sub>. Adding low amounts of zirconium ions improves the catalytical activity. The activity improvement is due to the increase of surface area, as well as to the good dispersion of the NiMo sulfide phase.</div></front></TEI><affiliations><list><country><li>France</li><li>Maroc</li></country><region><li>Basse-Normandie</li><li>Languedoc-Roussillon</li><li>Occitanie (région administrative)</li><li>Région Normandie</li></region><settlement><li>Caen</li><li>Montpellier</li></settlement></list><tree><country name="Maroc"><noRegion><name sortKey="Ait Chaoui, M" sort="Ait Chaoui, M" uniqKey="Ait Chaoui M" first="M." last="Aït Chaoui">M. Aït Chaoui</name></noRegion><name sortKey="El Ouassouli, A" sort="El Ouassouli, A" uniqKey="El Ouassouli A" first="A." last="El Ouassouli">A. El Ouassouli</name><name sortKey="Ezzamarty, A" sort="Ezzamarty, A" uniqKey="Ezzamarty A" first="A." last="Ezzamarty">A. Ezzamarty</name><name sortKey="Lakhdar, M" sort="Lakhdar, M" uniqKey="Lakhdar M" first="M." last="Lakhdar">M. Lakhdar</name></country><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Moreau, C" sort="Moreau, C" uniqKey="Moreau C" first="C." last="Moreau">C. Moreau</name></region><name sortKey="Leglise, J" sort="Leglise, J" uniqKey="Leglise J" first="J." last="Leglise">J. Leglise</name><name sortKey="Travert, A" sort="Travert, A" uniqKey="Travert A" first="A." last="Travert">A. Travert</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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