Thèses en ligne de l'université 8 Mai 1945 Guelma

Étude du comportement catalytique des composés Ni-Pt/ Al2O3 et Ni- Pt/ SiO2 préparés sous irradiation dans la réaction d’hydrogénation de benzène.

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dc.contributor.author KRALFALLAH, IMANE
dc.date.accessioned 2022-10-18T07:32:52Z
dc.date.available 2022-10-18T07:32:52Z
dc.date.issued 2022
dc.identifier.uri http://dspace.univ-guelma.dz/jspui/handle/123456789/13446
dc.description.abstract The aim of this study is to synthesize and characterize Ni-Pt bimetallic catalysts supported on Al2O3 or SiO2, and to compare their activity in benzene hydrogenation reaction. The catalysts are synthesized using the metal precursors co-impregnation method, followed by radiolysis reduction. SEM observations reveal good particles dispersion on both catalysts surfaces. For 5% Ni- 0.5% Pt/Al2O3 catalyst, the structural study shows the formation of Ni0, Pt0 and, NiPt and Ni3Ptintermetallic phases. The XRD of 5% Ni-0.5% Pt/SiO2 catalyst confirms that silica is amorphous. No nickel or platinum diffraction lines were observed. However, the appearance of NiSi interaction phase was noticed. Both types of catalysts are tested in Benzene hydrogenation reaction to cyclohexane. They have both high conversion rates. However, the Ni-Pt/SiO2 catalyst is slightly more efficient than Ni-Pt/Al2O3. en_US
dc.language.iso fr en_US
dc.publisher université de guelma en_US
dc.subject Alumine, silice, catalyseur bimétallique, hydrogénation de benzène. en_US
dc.title Étude du comportement catalytique des composés Ni-Pt/ Al2O3 et Ni- Pt/ SiO2 préparés sous irradiation dans la réaction d’hydrogénation de benzène. en_US
dc.type Working Paper en_US


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