CobaltMaghrebV1, PascalFrancis, Checkpoint, bibRecord, 000185

Methane conversion to higher alkanes over ruthenium and cobalt loaded Zr3(PO4)4

Identifieur interne : 000185 ( PascalFrancis/Checkpoint ); précédent : 000184; suivant : 000186

Methane conversion to higher alkanes over ruthenium and cobalt loaded Zr3(PO4)4

Auteurs : N. Cheikhi [Maroc] ; M. Zivad [Maroc]

Source :

Journal de physique. IV [ 1155-4339 ] ; 2005.

RBID : Pascal:05-0363864

Descripteurs français

Pascal (Inist)
- Catalyseur sur support, Métal transition, Platinoïde, Zirconium Phosphate, Ruthénium, Cobalt, Oligomérisation, Méthane, Catalyse hétérogène, Hydrocarbure, Alcane.
Wicri :
- topic : Cobalt, Hydrocarbure.

English descriptors

KwdEn :
- Alkane, Cobalt, Heterogeneous catalysis, Hydrocarbon, Methane, Oligomerization, Platinoid, Ruthenium, Supported catalyst, Transition metal, Zirconium Phosphates.

Abstract

The catalyst Ru-Co/Zr₃(PO₄)₄ was synthesized by impregnation and was tested in the reaction of oligomerization of methane into higher hydrocarbon. The reaction was carried out using a two-steps procedure consisting of: - Methane adsorption. - Hydrogenation of the adsorbed entities and formation of higher hydrocarbons. The production of these alkanes extends from ethane to pentane and could schematically be described by the following pathways: CH₄ ⇄ (CH_x)_ads + (4-X)/2H₂ CH_x, CH_y ⇄ C_nH_m The results showed that addition of cobalt to ruthenium improved the global activity. This promoter effect was attributed to the synergy brought in by cobalt and to the formation of Ru-CO²⁺species which are more active than ruthenium alone. These species were identified by EDX-STEM and XPS analyses.

Affiliations:

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Le document en format XML

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(PO<sub>4</sub>
)<sub>4</sub>
</title>
<author><name sortKey="Cheikhi, N" sort="Cheikhi, N" uniqKey="Cheikhi N" first="N." last="Cheikhi">N. Cheikhi</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Faculté des Sciences, Laboratoire de Physico-Chimie des Matériaux et Catalyse, Département de Chimie, BP. 1014</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<country>Maroc</country>
<placeName><settlement type="city">Rabat</settlement>
<region nuts="2">Rabat-Salé-Kénitra</region>
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</author>
<author><name sortKey="Zivad, M" sort="Zivad, M" uniqKey="Zivad M" first="M." last="Zivad">M. Zivad</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Faculté des Sciences, Laboratoire de Physico-Chimie des Matériaux et Catalyse, Département de Chimie, BP. 1014</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<country>Maroc</country>
<placeName><settlement type="city">Rabat</settlement>
<region nuts="2">Rabat-Salé-Kénitra</region>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Methane conversion to higher alkanes over ruthenium and cobalt loaded Zr<sub>3</sub>
(PO<sub>4</sub>
)<sub>4</sub>
</title>
<author><name sortKey="Cheikhi, N" sort="Cheikhi, N" uniqKey="Cheikhi N" first="N." last="Cheikhi">N. Cheikhi</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Faculté des Sciences, Laboratoire de Physico-Chimie des Matériaux et Catalyse, Département de Chimie, BP. 1014</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
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<country>Maroc</country>
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<author><name sortKey="Zivad, M" sort="Zivad, M" uniqKey="Zivad M" first="M." last="Zivad">M. Zivad</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Faculté des Sciences, Laboratoire de Physico-Chimie des Matériaux et Catalyse, Département de Chimie, BP. 1014</s1>
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<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>
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<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>Alkane</term>
<term>Cobalt</term>
<term>Heterogeneous catalysis</term>
<term>Hydrocarbon</term>
<term>Methane</term>
<term>Oligomerization</term>
<term>Platinoid</term>
<term>Ruthenium</term>
<term>Supported catalyst</term>
<term>Transition metal</term>
<term>Zirconium Phosphates</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Catalyseur sur support</term>
<term>Métal transition</term>
<term>Platinoïde</term>
<term>Zirconium Phosphate</term>
<term>Ruthénium</term>
<term>Cobalt</term>
<term>Oligomérisation</term>
<term>Méthane</term>
<term>Catalyse hétérogène</term>
<term>Hydrocarbure</term>
<term>Alcane</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Cobalt</term>
<term>Hydrocarbure</term>
</keywords>
</textClass>
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<front><div type="abstract" xml:lang="en">The catalyst Ru-Co/Zr<sub>3</sub>
(PO<sub>4</sub>
)<sub>4</sub>
 was synthesized by impregnation and was tested in the reaction of oligomerization of methane into higher hydrocarbon. The reaction was carried out using a two-steps procedure consisting of: - Methane adsorption. - Hydrogenation of the adsorbed entities and formation of higher hydrocarbons. The production of these alkanes extends from ethane to pentane and could schematically be described by the following pathways: CH<sub>4</sub>
 ⇄ (CH<sub>x</sub>
)<sub>ads</sub>
 + (4-X)/2H<sub>2</sub>
 CH<sub>x</sub>
, CH<sub>y</sub>
 ⇄ C<sub>n</sub>
H<sub>m</sub>
 The results showed that addition of cobalt to ruthenium improved the global activity. This promoter effect was attributed to the synergy brought in by cobalt and to the formation of Ru-CO<sup>2+</sup>
species which are more active than ruthenium alone. These species were identified by EDX-STEM and XPS analyses.</div>
</front>
</TEI>
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<fA05><s2>123</s2>
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<fA08 i1="01" i2="1" l="ENG"><s1>Methane conversion to higher alkanes over ruthenium and cobalt loaded Zr<sub>3</sub>
(PO<sub>4</sub>
)<sub>4</sub>
</s1>
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<fA09 i1="01" i2="1" l="ENG"><s1>REMCES IX: Proceedings of the 9th International Seminar on the Physical Chemistry of Solid State Materials</s1>
</fA09>
<fA11 i1="01" i2="1"><s1>CHEIKHI (N.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>ZIVAD (M.)</s1>
</fA11>
<fA12 i1="01" i2="1"><s1>BENLHACHEMI (Abdeljalil)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="02" i2="1"><s1>BENYAICH (H.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="03" i2="1"><s1>BOUABID (Khalid)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="04" i2="1"><s1>BOUKHARI (A.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="05" i2="1"><s1>ELAATMANI (M.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="06" i2="1"><s1>ES-SAKHI (B.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="07" i2="1"><s1>IHLAL (A.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="08" i2="1"><s1>KHAIROUNE (S.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="09" i2="1"><s1>MANSOURI (I.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="10" i2="1"><s1>NOUNAH (Abderrahman)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="11" i2="1"><s1>TAHA (Mohamed)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="12" i2="1"><s1>ZAHIDI (E.)</s1>
<s9>ed.</s9>
</fA12>
<fA14 i1="01"><s1>Faculté des Sciences, Laboratoire de Physico-Chimie des Matériaux et Catalyse, Département de Chimie, BP. 1014</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</fA14>
<fA15 i1="01"><s1>Faculté des Sciences, Cité Dakhla</s1>
<s2>Agadir</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>11 aut.</sZ>
</fA15>
<fA15 i1="02"><s1>Ecole Supérieure de Technologie</s1>
<s2>Salé Médina</s2>
<s3>MAR</s3>
<sZ>10 aut.</sZ>
</fA15>
<fA18 i1="01" i2="1"><s1>IBN ZOHR University. Faculty of Sciences</s1>
<s2>Agadir</s2>
<s3>MAR</s3>
<s9>patr.</s9>
</fA18>
<fA20><s1>301-305</s1>
</fA20>
<fA21><s1>2005</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>125C</s2>
<s5>354000126872900540</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2005 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>16 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>05-0363864</s0>
</fA47>
<fA60><s1>P</s1>
<s2>C</s2>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Journal de physique. IV</s0>
</fA64>
<fA66 i1="01"><s0>FRA</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>The catalyst Ru-Co/Zr<sub>3</sub>
(PO<sub>4</sub>
)<sub>4</sub>
 was synthesized by impregnation and was tested in the reaction of oligomerization of methane into higher hydrocarbon. The reaction was carried out using a two-steps procedure consisting of: - Methane adsorption. - Hydrogenation of the adsorbed entities and formation of higher hydrocarbons. The production of these alkanes extends from ethane to pentane and could schematically be described by the following pathways: CH<sub>4</sub>
 ⇄ (CH<sub>x</sub>
)<sub>ads</sub>
 + (4-X)/2H<sub>2</sub>
 CH<sub>x</sub>
, CH<sub>y</sub>
 ⇄ C<sub>n</sub>
H<sub>m</sub>
 The results showed that addition of cobalt to ruthenium improved the global activity. This promoter effect was attributed to the synergy brought in by cobalt and to the formation of Ru-CO<sup>2+</sup>
species which are more active than ruthenium alone. These species were identified by EDX-STEM and XPS analyses.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>001C01A03</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Catalyseur sur support</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Supported catalyst</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Catalizador sobre soporte</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Métal transition</s0>
<s2>NC</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Transition metal</s0>
<s2>NC</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Metal transición</s0>
<s2>NC</s2>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Platinoïde</s0>
<s2>NC</s2>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Platinoid</s0>
<s2>NC</s2>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Platinoide</s0>
<s2>NC</s2>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Zirconium Phosphate</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Zirconium Phosphates</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Zirconio Fosfato</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Ruthénium</s0>
<s2>NC</s2>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Ruthenium</s0>
<s2>NC</s2>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Rutenio</s0>
<s2>NC</s2>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Cobalt</s0>
<s2>NC</s2>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Cobalt</s0>
<s2>NC</s2>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Cobalto</s0>
<s2>NC</s2>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Oligomérisation</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Oligomerization</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Oligomerización</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Méthane</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Methane</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Metano</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Catalyse hétérogène</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Heterogeneous catalysis</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Catálisis heterogénea</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Hydrocarbure</s0>
<s2>FX</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Hydrocarbon</s0>
<s2>FX</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Hidrocarburo</s0>
<s2>FX</s2>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Alcane</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Alkane</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Alcano</s0>
<s5>11</s5>
</fC03>
<fN21><s1>255</s1>
</fN21>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>REMCES International Seminar on the Physical Chemistry of Solid State Materials</s1>
<s2>9</s2>
<s3>Agadir MAR</s3>
<s4>2002-10-30</s4>
</fA30>
</pR>
</standard>
</inist>
<affiliations><list><country><li>Maroc</li>
</country>
<region><li>Rabat-Salé-Kénitra</li>
</region>
<settlement><li>Rabat</li>
</settlement>
</list>
<tree><country name="Maroc"><region name="Rabat-Salé-Kénitra"><name sortKey="Cheikhi, N" sort="Cheikhi, N" uniqKey="Cheikhi N" first="N." last="Cheikhi">N. Cheikhi</name>
</region>
<name sortKey="Zivad, M" sort="Zivad, M" uniqKey="Zivad M" first="M." last="Zivad">M. Zivad</name>
</country>
</tree>
</affiliations>
</record>

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Methane conversion to higher alkanes over ruthenium and cobalt loaded Zr3(PO4)4

Methane conversion to higher alkanes over ruthenium and cobalt loaded Zr3(PO4)4

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Abstract

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