Influence of drying on the catalytic properties of a calcium-nickel mixed orthophosphate
Identifieur interne : 000494 ( PascalFrancis/Curation ); précédent : 000493; suivant : 000495Influence of drying on the catalytic properties of a calcium-nickel mixed orthophosphate
Auteurs : A. Legrouri [Maroc] ; J. Lenzi [France] ; M. Lenzi [France]Source :
- Journal of thermal analysis [ 0368-4466 ] ; 1993.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The drying method influenced the activity and selectivity of the mixed calcium-nickel orthophosphate Ca2.73Ni0.26(PO4)2 catalyst in the dehydrogenation of 2-propanol. Nigher activities were obtained for samples dried, at room temperature, and calcined under vacuum compared with samples dried in the oven and calcined in air. This higher activity was observed at lower calcination temperature
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<author><name sortKey="Legrouri, A" sort="Legrouri, A" uniqKey="Legrouri A" first="A." last="Legrouri">A. Legrouri</name>
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<s2>40 000 Marrakesh</s2>
<s3>MAR</s3>
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<country>Maroc</country>
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<author><name sortKey="Lenzi, J" sort="Lenzi, J" uniqKey="Lenzi J" first="J." last="Lenzi">J. Lenzi</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Calcium Phosphates</term>
<term>Catalyst</term>
<term>Catalyst activity</term>
<term>Dehydrogenation</term>
<term>Differential thermal analysis</term>
<term>Drying</term>
<term>Nickel Phosphates</term>
<term>Quaternary compound</term>
<term>Thermogravimetry</term>
<term>X ray diffraction</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Activité catalytique</term>
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<term>Calcium Phosphate</term>
<term>Nickel Phosphate</term>
<term>Thermogravimétrie</term>
<term>Ca2,73Ni0,26(PO4)2</term>
<term>Ca Ni O P</term>
<term>Orthophosphate</term>
<term>Propan-2-ol</term>
<term>Analyse thermique différentielle</term>
<term>Diffraction RX</term>
<term>Composé quaternaire</term>
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<front><div type="abstract" xml:lang="en">The drying method influenced the activity and selectivity of the mixed calcium-nickel orthophosphate Ca<sub>2.73</sub>
Ni<sub>0.26</sub>
(PO<sub>4</sub>
)<sub>2</sub>
catalyst in the dehydrogenation of 2-propanol. Nigher activities were obtained for samples dried, at room temperature, and calcined under vacuum compared with samples dried in the oven and calcined in air. This higher activity was observed at lower calcination temperature</div>
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<fC01 i1="01" l="ENG"><s0>The drying method influenced the activity and selectivity of the mixed calcium-nickel orthophosphate Ca<sub>2.73</sub>
Ni<sub>0.26</sub>
(PO<sub>4</sub>
)<sub>2</sub>
catalyst in the dehydrogenation of 2-propanol. Nigher activities were obtained for samples dried, at room temperature, and calcined under vacuum compared with samples dried in the oven and calcined in air. This higher activity was observed at lower calcination temperature</s0>
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<s5>02</s5>
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<s5>11</s5>
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<s5>12</s5>
</fC03>
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<s5>12</s5>
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<s5>12</s5>
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<s5>13</s5>
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<fC03 i1="05" i2="X" l="ENG"><s0>Calcium Phosphates</s0>
<s1>ACT</s1>
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<s2>NA</s2>
<s5>13</s5>
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<s5>13</s5>
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<s5>14</s5>
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<s1>ACT</s1>
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<s2>NA</s2>
<s5>14</s5>
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<fC03 i1="06" i2="X" l="SPA"><s0>Niquel Fosfato</s0>
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<s2>FX</s2>
<s2>NA</s2>
<s5>14</s5>
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<s5>15</s5>
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<s5>32</s5>
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<fC03 i1="09" i2="X" l="FRE"><s0>Ca Ni O P</s0>
<s4>INC</s4>
<s5>33</s5>
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<s4>INC</s4>
<s5>75</s5>
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<s2>FC</s2>
<s2>NK</s2>
<s4>INC</s4>
<s5>76</s5>
<s6>Propan-«2»-ol</s6>
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<s5>80</s5>
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<s5>80</s5>
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<s5>80</s5>
</fC03>
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<s5>80</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Diffraction RX</s0>
<s5>81</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>X ray diffraction</s0>
<s5>81</s5>
</fC03>
<fC03 i1="13" i2="X" l="GER"><s0>Roentgenbeugung</s0>
<s5>81</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Difracción RX</s0>
<s5>81</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Composé quaternaire</s0>
<s4>CD</s4>
<s5>96</s5>
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<fC03 i1="14" i2="X" l="ENG"><s0>Quaternary compound</s0>
<s4>CD</s4>
<s5>96</s5>
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<fN21><s1>020</s1>
</fN21>
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