Reforming of Pd-lanthanide catalysts
Identifieur interne : 001358 ( Pascal/Curation ); précédent : 001357; suivant : 001359Reforming of Pd-lanthanide catalysts
Auteurs : N. Mahalakshmi Sita [Inde]Source :
- Indian journal of chemical technology [ 0971-457X ] ; 1997.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Hydrocarbure.
English descriptors
- KwdEn :
Abstract
The reforming reactions of cyclohexane, methyl cyclopentane and n-heptane on the Pd/γ-Al2O3 and Pd-Ln/γ-Al2O3 (Ln=Dy, Ho, Tm) catalysts have been investigated. The results demonstrate that Pd-Ln/γ-Al2O3 catalysts evince high activity and stability compared to Pd/γ-Al2O3 catalysts. Owing to the different lanthanide content in the catalysts, the aromatisation and isomerization yields are different in the reforming reactions of n-heptane and cyclopentane. It is interesting to investigate the optimum content of lanthanides which gives the maximum aromatisation and isomerization yield.
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<author><name sortKey="Mahalakshmi Sita, N" sort="Mahalakshmi Sita, N" uniqKey="Mahalakshmi Sita N" first="N." last="Mahalakshmi Sita">N. Mahalakshmi Sita</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Reforming of Pd-lanthanide catalysts</title>
<author><name sortKey="Mahalakshmi Sita, N" sort="Mahalakshmi Sita, N" uniqKey="Mahalakshmi Sita N" first="N." last="Mahalakshmi Sita">N. Mahalakshmi Sita</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Active site</term>
<term>Alumina</term>
<term>Catalyst activity</term>
<term>Catalytic reforming</term>
<term>Cyclohexane</term>
<term>Dysprosium</term>
<term>Experimental study</term>
<term>Heptane</term>
<term>Heterogeneous catalysis</term>
<term>Holmium</term>
<term>Hydrocarbon</term>
<term>Kinetics</term>
<term>Mixed catalyst</term>
<term>Palladium</term>
<term>Supported catalyst</term>
<term>Thulium</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Reformage catalytique</term>
<term>Hydrocarbure</term>
<term>Cyclohexane</term>
<term>Heptane</term>
<term>Cyclopentane(méthyl)</term>
<term>Catalyse hétérogène</term>
<term>Catalyseur sur support</term>
<term>Catalyseur mixte</term>
<term>Alumine</term>
<term>Palladium</term>
<term>Dysprosium</term>
<term>Holmium</term>
<term>Thulium</term>
<term>Activité catalytique</term>
<term>Site actif</term>
<term>Cinétique</term>
<term>Etude expérimentale</term>
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<front><div type="abstract" xml:lang="en">The reforming reactions of cyclohexane, methyl cyclopentane and n-heptane on the Pd/γ-Al<sub>2</sub>
O<sub>3</sub>
and Pd-Ln/γ-Al<sub>2</sub>
O<sub>3</sub>
(Ln=Dy, Ho, Tm) catalysts have been investigated. The results demonstrate that Pd-Ln/γ-Al<sub>2</sub>
O<sub>3</sub>
catalysts evince high activity and stability compared to Pd/γ-Al<sub>2</sub>
O<sub>3</sub>
catalysts. Owing to the different lanthanide content in the catalysts, the aromatisation and isomerization yields are different in the reforming reactions of n-heptane and cyclopentane. It is interesting to investigate the optimum content of lanthanides which gives the maximum aromatisation and isomerization yield.</div>
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<fC01 i1="01" l="ENG"><s0>The reforming reactions of cyclohexane, methyl cyclopentane and n-heptane on the Pd/γ-Al<sub>2</sub>
O<sub>3</sub>
and Pd-Ln/γ-Al<sub>2</sub>
O<sub>3</sub>
(Ln=Dy, Ho, Tm) catalysts have been investigated. The results demonstrate that Pd-Ln/γ-Al<sub>2</sub>
O<sub>3</sub>
catalysts evince high activity and stability compared to Pd/γ-Al<sub>2</sub>
O<sub>3</sub>
catalysts. Owing to the different lanthanide content in the catalysts, the aromatisation and isomerization yields are different in the reforming reactions of n-heptane and cyclopentane. It is interesting to investigate the optimum content of lanthanides which gives the maximum aromatisation and isomerization yield.</s0>
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<s5>03</s5>
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<s5>03</s5>
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<s2>NK</s2>
<s5>04</s5>
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<s1>ENT</s1>
<s2>NK</s2>
<s5>04</s5>
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<s5>04</s5>
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<s4>INC</s4>
<s5>32</s5>
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<s5>35</s5>
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<s5>35</s5>
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<s5>36</s5>
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<s5>37</s5>
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<s1>SUB</s1>
<s2>NK</s2>
<s5>38</s5>
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<fC03 i1="09" i2="X" l="ENG"><s0>Alumina</s0>
<s1>SUB</s1>
<s2>NK</s2>
<s5>38</s5>
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<s1>SUB</s1>
<s2>NK</s2>
<s5>38</s5>
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<fC03 i1="09" i2="X" l="SPA"><s0>Alúmina</s0>
<s1>SUB</s1>
<s2>NK</s2>
<s5>38</s5>
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<s1>ACT</s1>
<s2>NC</s2>
<s5>42</s5>
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<fC03 i1="10" i2="X" l="ENG"><s0>Palladium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>42</s5>
</fC03>
<fC03 i1="10" i2="X" l="GER"><s0>Palladium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>42</s5>
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<s1>ACT</s1>
<s2>NC</s2>
<s5>42</s5>
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<s1>ACT</s1>
<s2>NC</s2>
<s5>43</s5>
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<fC03 i1="11" i2="X" l="ENG"><s0>Dysprosium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>43</s5>
</fC03>
<fC03 i1="11" i2="X" l="GER"><s0>Dysprosium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>43</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Disprosio</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>43</s5>
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<fC03 i1="12" i2="X" l="FRE"><s0>Holmium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>44</s5>
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<fC03 i1="12" i2="X" l="ENG"><s0>Holmium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>44</s5>
</fC03>
<fC03 i1="12" i2="X" l="GER"><s0>Holmium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>44</s5>
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<fC03 i1="12" i2="X" l="SPA"><s0>Holmio</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>44</s5>
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<fC03 i1="13" i2="X" l="FRE"><s0>Thulium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>45</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Thulium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>45</s5>
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<fC03 i1="13" i2="X" l="GER"><s0>Thulium</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>45</s5>
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<fC03 i1="13" i2="X" l="SPA"><s0>Tulio</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s5>45</s5>
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<fC03 i1="14" i2="X" l="FRE"><s0>Activité catalytique</s0>
<s5>62</s5>
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<fC03 i1="14" i2="X" l="ENG"><s0>Catalyst activity</s0>
<s5>62</s5>
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<fC03 i1="14" i2="X" l="SPA"><s0>Actividad catalítica</s0>
<s5>62</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Site actif</s0>
<s5>63</s5>
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<fC03 i1="15" i2="X" l="ENG"><s0>Active site</s0>
<s5>63</s5>
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<s5>63</s5>
</fC03>
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<s5>64</s5>
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<s5>64</s5>
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<s5>64</s5>
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<fC03 i1="16" i2="X" l="SPA"><s0>Cinética</s0>
<s5>64</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Etude expérimentale</s0>
<s5>65</s5>
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<fC03 i1="17" i2="X" l="ENG"><s0>Experimental study</s0>
<s5>65</s5>
</fC03>
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<s5>65</s5>
</fC03>
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<s5>65</s5>
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<fC07 i1="01" i2="X" l="FRE"><s0>Métal transition</s0>
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<s5>39</s5>
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<s2>NC</s2>
<s5>39</s5>
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<s2>NC</s2>
<s5>39</s5>
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<s2>NC</s2>
<s5>39</s5>
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<fC07 i1="02" i2="X" l="FRE"><s0>Platinoïde</s0>
<s2>NC</s2>
<s5>40</s5>
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<fC07 i1="02" i2="X" l="ENG"><s0>Platinoid</s0>
<s2>NC</s2>
<s5>40</s5>
</fC07>
<fC07 i1="02" i2="X" l="GER"><s0>Platinmetalle</s0>
<s2>NC</s2>
<s5>40</s5>
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<fC07 i1="02" i2="X" l="SPA"><s0>Platinoide</s0>
<s2>NC</s2>
<s5>40</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Lanthanide</s0>
<s2>NC</s2>
<s5>41</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Lanthanide</s0>
<s2>NC</s2>
<s5>41</s5>
</fC07>
<fC07 i1="03" i2="X" l="GER"><s0>Lanthanide</s0>
<s2>NC</s2>
<s5>41</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Lantánido</s0>
<s2>NC</s2>
<s5>41</s5>
</fC07>
<fN21><s1>272</s1>
</fN21>
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