Preparación y caracterización de las propiedades fisicoquímicas del óxido mixto NiO/MgO-La2O3. Efecto de la variación de la composición del soporte

Mixed oxide catalysts of NiO/MgO-La2O3 varying the proportions support were synthesized through the Lunsford method, successive impregnation. Different techniques were used to determine their physicochemical properties., EDX analysis, FTIR spectroscopy, X-ray diffraction, XRD, thermal methods, TGA,...

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Veröffentlicht in:Avances en química 2012-05, Vol.7 (1), p.19-26
Hauptverfasser: Claudio Lugo, Jairo Rondón, Hildemaro Melendez, Edder Garcia, Marlin Villarroel, Patricia Pérez, José Mercado, Héctor Del Castillo
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Sprache:eng
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Zusammenfassung:Mixed oxide catalysts of NiO/MgO-La2O3 varying the proportions support were synthesized through the Lunsford method, successive impregnation. Different techniques were used to determine their physicochemical properties., EDX analysis, FTIR spectroscopy, X-ray diffraction, XRD, thermal methods, TGA, DSC, BET surface area method, temperature programmed reduction, TPR-H2, temperature programmed desorption, TPD-O2 and TPD-NO. The results show that nickel oxide displays a strong interaction with support, depending mainly on the proportion of these components.
ISSN:1856-5301
1856-5301