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Constructing residue curve maps for butyl acetate synthesis
Obtención de mapas de curvas residuales para la síntesis de acetato de butilo
DOI:
https://doi.org/10.15446/ing.investig.v26n3.14745Keywords:
esterification, butyl acetate, residue maps, reactive distillation (en)esterificación, acetato de butilo, mapas residuales, destilación reactiva (es)
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This work presents a laboratory study of liquid phase N-butylacetate synthesis (Patm = 560 mmHg), employing simultaneous distillation and reaction (batch reactive distillation) and an ion exchange resin (Lewatit K-2431) as catalyst. The conditions in which the operation was limited by reaction equilibrium (equilibrium regime) and not by kinetics effects (kinetic regime) was determined by constructing experimental residue curves using different catalyst loads. The feasibility of implementing esterification through a simultaneous reaction-separation arrangement was established. Pure butylacetate could be obtained in such process as a bottom product from a reactive distillation column, overcoming the reaction system’s conversion limitations.
Es este trabajo se adelantó un estudio en la escala de laboratorio de la síntesis acetato de n-butilo en fase liquida (Patm = 560 mmHg), en operación simultanea de reacción y destilación (destilación reactiva batch), utilizando una resina de intercambio catiónico (Lewatit K-2431) como catalizador. Por medio de la construcción experimental de curvas residuales, utilizando diferentes cargas de catalizador, se determinaron las condiciones para las cuales la operación está limitada por el equilibrio químico de la reacción (régimen de equilibrio) y no por efectos cinéticos (régimen cinético). Finalmente, se estableció la factibilidad de implementación del proceso de esterificación a través de un arreglo de reacción-separación simultánea. En dicho proceso se podría obtener el acetato de n-butilo puro como producto de fondos de una columna de destilación reactiva, sobrepasando las limitantes de conversión del sistema reactivo.
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Copyright (c) 2006 Álvaro Orjuela Londoño, Fernando Leiva Lenis, Luis Alejandro Boyacá Mendivelso, Gerardo Rodríguez Niño, Luis María Carballo Suárez
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