Effects of support and metal loading on the characteristics of Co based catalysts for selective hydrogenation of citral
Identifieur interne : 000135 ( PascalFrancis/Corpus ); précédent : 000134; suivant : 000136Effects of support and metal loading on the characteristics of Co based catalysts for selective hydrogenation of citral
Auteurs : K. Kouachi ; G. Lafaye ; C. Especel ; O. Cherifi ; P. MardcotaSource :
- Journal of molecular catalysis. A, Chemical [ 1381-1169 ] ; 2008.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Silica-, alumina- and titania-supported Co catalysts with different metal loadings were tested for selective citral hydrogenation in liquid phase. Temperature programmed desorption of hydrogen (H2-TPD) indicated that the catalysts with the highest unsaturated alcohols selectivities present particular H-Co species. Electron diffraction and XRD measurements revealed that these species would be linked to the presence of Co0 hexagonal phase. According to the results obtained by TEM and cyclohexane dehydrogenation, these two properties would be present on large Co particles.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 08-0229737 INIST |
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ET : | Effects of support and metal loading on the characteristics of Co based catalysts for selective hydrogenation of citral |
AU : | KOUACHI (K.); LAFAYE (G.); ESPECEL (C.); CHERIFI (O.); MARDCOTA (P.) |
AF : | Université de Poitiers, Laboratoire de Catalyse en Chimie Organique, UMR 6503/86022 Poitiers/France (1 aut., 2 aut., 3 aut., 5 aut.); Laboratoire de Chimie de Gaz Naturel, Faculté de Chimie, USTHB, BP 32/16111 El Alia, Bab Ezzouar/Algérie (1 aut., 4 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Journal of molecular catalysis. A, Chemical; ISSN 1381-1169; Pays-Bas; Da. 2008; Vol. 280; No. 1-2; Pp. 52-60; Bibl. 58 ref. |
LA : | Anglais |
EA : | Silica-, alumina- and titania-supported Co catalysts with different metal loadings were tested for selective citral hydrogenation in liquid phase. Temperature programmed desorption of hydrogen (H2-TPD) indicated that the catalysts with the highest unsaturated alcohols selectivities present particular H-Co species. Electron diffraction and XRD measurements revealed that these species would be linked to the presence of Co0 hexagonal phase. According to the results obtained by TEM and cyclohexane dehydrogenation, these two properties would be present on large Co particles. |
CC : | 001C01A03 |
FD : | Support; Monoxyde de carbone; Catalyseur; Hydrogénation; Citral; Cobalt; Silice; Alumine; Oxyde de titane; Catalyseur sur support; Catalyse hétérogène; Aldéhyde |
FG : | Métal transition |
ED : | Support; Carbon monoxide; Catalyst; Hydrogenation; Citral; Cobalt; Silica; Alumina; Titanium oxide; Supported catalyst; Heterogeneous catalysis; Aldehyde |
EG : | Transition metal |
SD : | Soporte; Carbono monóxido; Catalizador; Hidrogenación; Cobalto; Sílice; Alúmina; Titanio óxido; Catalizador sobre soporte; Catálisis heterogénea; Aldehído |
LO : | INIST-17107A.354000174594710090 |
ID : | 08-0229737 |
Links to Exploration step
Pascal:08-0229737Le document en format XML
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<author><name sortKey="Lafaye, G" sort="Lafaye, G" uniqKey="Lafaye G" first="G." last="Lafaye">G. Lafaye</name>
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<series><title level="j" type="main">Journal of molecular catalysis. A, Chemical</title>
<title level="j" type="abbreviated">J. mol. catal., A Chem.</title>
<idno type="ISSN">1381-1169</idno>
<imprint><date when="2008">2008</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aldehyde</term>
<term>Alumina</term>
<term>Carbon monoxide</term>
<term>Catalyst</term>
<term>Citral</term>
<term>Cobalt</term>
<term>Heterogeneous catalysis</term>
<term>Hydrogenation</term>
<term>Silica</term>
<term>Support</term>
<term>Supported catalyst</term>
<term>Titanium oxide</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Support</term>
<term>Monoxyde de carbone</term>
<term>Catalyseur</term>
<term>Hydrogénation</term>
<term>Citral</term>
<term>Cobalt</term>
<term>Silice</term>
<term>Alumine</term>
<term>Oxyde de titane</term>
<term>Catalyseur sur support</term>
<term>Catalyse hétérogène</term>
<term>Aldéhyde</term>
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<front><div type="abstract" xml:lang="en">Silica-, alumina- and titania-supported Co catalysts with different metal loadings were tested for selective citral hydrogenation in liquid phase. Temperature programmed desorption of hydrogen (H<sub>2</sub>
-TPD) indicated that the catalysts with the highest unsaturated alcohols selectivities present particular H-Co species. Electron diffraction and XRD measurements revealed that these species would be linked to the presence of Co<sup>0</sup>
hexagonal phase. According to the results obtained by TEM and cyclohexane dehydrogenation, these two properties would be present on large Co particles.</div>
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<sZ>5 aut.</sZ>
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<fC01 i1="01" l="ENG"><s0>Silica-, alumina- and titania-supported Co catalysts with different metal loadings were tested for selective citral hydrogenation in liquid phase. Temperature programmed desorption of hydrogen (H<sub>2</sub>
-TPD) indicated that the catalysts with the highest unsaturated alcohols selectivities present particular H-Co species. Electron diffraction and XRD measurements revealed that these species would be linked to the presence of Co<sup>0</sup>
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</fC01>
<fC02 i1="01" i2="X"><s0>001C01A03</s0>
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<fC03 i1="01" i2="X" l="FRE"><s0>Support</s0>
<s5>01</s5>
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<fC03 i1="01" i2="X" l="ENG"><s0>Support</s0>
<s5>01</s5>
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<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Monoxyde de carbone</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Carbon monoxide</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Carbono monóxido</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>02</s5>
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<s5>03</s5>
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<s5>03</s5>
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<fC03 i1="03" i2="X" l="SPA"><s0>Catalizador</s0>
<s5>03</s5>
</fC03>
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<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Hydrogenation</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Hidrogenación</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Citral</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Citral</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Cobalt</s0>
<s2>NC</s2>
<s5>06</s5>
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<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>Silice</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Silica</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Sílice</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Alumine</s0>
<s2>NK</s2>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Alumina</s0>
<s2>NK</s2>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Alúmina</s0>
<s2>NK</s2>
<s5>09</s5>
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<fC03 i1="09" i2="X" l="FRE"><s0>Oxyde de titane</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Titanium oxide</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Titanio óxido</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Catalyseur sur support</s0>
<s5>11</s5>
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<s5>12</s5>
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<s5>07</s5>
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<s2>NC</s2>
<s5>07</s5>
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<server><NO>PASCAL 08-0229737 INIST</NO>
<ET>Effects of support and metal loading on the characteristics of Co based catalysts for selective hydrogenation of citral</ET>
<AU>KOUACHI (K.); LAFAYE (G.); ESPECEL (C.); CHERIFI (O.); MARDCOTA (P.)</AU>
<AF>Université de Poitiers, Laboratoire de Catalyse en Chimie Organique, UMR 6503/86022 Poitiers/France (1 aut., 2 aut., 3 aut., 5 aut.); Laboratoire de Chimie de Gaz Naturel, Faculté de Chimie, USTHB, BP 32/16111 El Alia, Bab Ezzouar/Algérie (1 aut., 4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of molecular catalysis. A, Chemical; ISSN 1381-1169; Pays-Bas; Da. 2008; Vol. 280; No. 1-2; Pp. 52-60; Bibl. 58 ref.</SO>
<LA>Anglais</LA>
<EA>Silica-, alumina- and titania-supported Co catalysts with different metal loadings were tested for selective citral hydrogenation in liquid phase. Temperature programmed desorption of hydrogen (H<sub>2</sub>
-TPD) indicated that the catalysts with the highest unsaturated alcohols selectivities present particular H-Co species. Electron diffraction and XRD measurements revealed that these species would be linked to the presence of Co<sup>0</sup>
hexagonal phase. According to the results obtained by TEM and cyclohexane dehydrogenation, these two properties would be present on large Co particles.</EA>
<CC>001C01A03</CC>
<FD>Support; Monoxyde de carbone; Catalyseur; Hydrogénation; Citral; Cobalt; Silice; Alumine; Oxyde de titane; Catalyseur sur support; Catalyse hétérogène; Aldéhyde</FD>
<FG>Métal transition</FG>
<ED>Support; Carbon monoxide; Catalyst; Hydrogenation; Citral; Cobalt; Silica; Alumina; Titanium oxide; Supported catalyst; Heterogeneous catalysis; Aldehyde</ED>
<EG>Transition metal</EG>
<SD>Soporte; Carbono monóxido; Catalizador; Hidrogenación; Cobalto; Sílice; Alúmina; Titanio óxido; Catalizador sobre soporte; Catálisis heterogénea; Aldehído</SD>
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