INVESTIGADORES
DIEUZEIDE Maria Laura
congresos y reuniones científicas
Título:
Synthesis gas production from glycerol steam reforming. Ni-Mg/ɣ-Al2O3 catalysts, effect of magnesium content.
Autor/es:
M.L. DIEUZEIDE, M.JOBBAGY, N.AMADEO
Lugar:
Madrid
Reunión:
Conferencia; Catalysis for Clean Energy and Sustainable Chemistry, 2012.; 2012
Resumen:
In the last years the production of synthesis gas and hydrogen from glycerol steam reforming is being considered as a viable alternative in order to increase the profitability of the transesterification process for biodiesel production [1-4]. The global reaction that describes the steam reforming of glycerol is: which is strongly endothermic.
Catalysts based on nickel are widely used for the reforming of hydrocarbons and alcohols [4-6]. However, nickel catalysts supported on ɣ-Al2O3 are deactivated in this process as a consequence of: carbon formation over the acid sites of alumina and by sintering of the metallic phase due to the low thermal stability of alumina [3]. In order to minimize the deactivation of the catalyst, the promotion of the support with an alkaline earth metal (MgO, CaO,
) is proposed since them favour the adsorption capacity of steam, the thermal stability of Ni and confer some basic character to the support.[7-8]
The aim of this study is to analyze the effect of Mg content on the Ni/ɣ-Al2O3 catalysts over the activity, selectivity and carbon formation for the steam reforming of glycerol.