Archivos suplementarios
Palabras clave
preparation
nickel
hydrogenolysis
dehydration
glycerol
Presión atmosférica
níquel
glicerina
adsorción
hidrogenolisis
catalizadores.
Cómo citar
Resumen
Se ha demostrado que el desempeño de los catalizadores está fuertemente ligado a los métodos de preparación. En este artículo se reporta un estudio de la relación entre el método de preparación y la estructura, la dispersión, la actividad, y la selectividad de catalizadores de Ni/γ-Al2 O3. Los catalizadores fueron preparados por impregnación seca y por impregnación húmeda. Las muestras fueron usadas en la reacción de conversión de glicerol en fase gas y a presión atmosférica. Los catalizadores fueron caracterizados mediante TGA, TPR, N2-fisisorción, H2-quimisorción, XRD, TEM, FTIR y TPO. El tamaño de la partícula de Ni y la dispersión afectaron la selectividad de los catalizadores hacia las rutas de hidrogenólisis y deshidratación, la formación de depósitos de carbón sobre los catalizadores se vio afectada también.
Citas
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