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Influencia del soporte sobre la actividad catalítica del paladio en la oxidación selectiva del etanol
DOI:
https://doi.org/10.15446/ing.investig.n28.20795Keywords:
Catalizadores, Obtención de acetaldehido, Obtención de acetato de etilo, Paladio, Etanol, Reacciones quimicas (es)Catalysts, Collection of acetaldehyde, Ethyl acetate Collection, Palladium, Ethanol, Chemical Reactions (en)
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Aquí se reporta la comparación de los resultados obtenidos en cuanto a las diferencias en selectividades y conversiones de etanol hacia ácido acético y acetato de etilo, utilizando catalizadores de paladio metálico (0.5% en peso) soportados en alfa-alúmina y carbón activado. Se pudo observar que el catalizador de paladio sobre alfa-alúmina presentó mayores conversiones del etanol alimentado hacia el ácido acético y por consiguiente mayor selectividad hacia éste producto, que el de paladio soportado sobre carbón activado, el cual mostró una mayor selectividad hacia el acetato de etilo.
References
Carl, H., Fenimore, E. Process for the manufacture of acetic acid. United States patent. 1911. 315.
Hsu, S.H., Ruether, J. Kinetics of the liquid - phase oxidation of ethanol by oxygen over a palladium-alumina catalyst. Ind. Eng. Chem. Proc. Des. Dev. V 17 No. 4 524-527, 1978. DOI: https://doi.org/10.1021/i260068a023
Kunugi, K., Yanagisawa, A. Gas phase oxidative esterification reaction of various alcohols over metallic palladium catalyst. Hongo, Bunkyo-Ku, Japan. V. 12 2271-2275, 1972. DOI: https://doi.org/10.1246/nikkashi.1972.2271
Nagai, M., Gonzales, R. Oxidation of ethanol and acetaldehyde on silica-supported platinum catalysts: preparative and pretreatment effects on catalyst selectivity. Ind. Eng. Chem. Prod. Res. Dev. V 24 525-531, 1985. DOI: https://doi.org/10.1021/i300020a008
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Copyright (c) 1992 Luis Carballo Suárez, Alvaro Gómez Peña, Gerardo Rodríguez Niño
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