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Ethanol dehydration
Deshidratación del etanol
DOI:
https://doi.org/10.15446/ing.investig.v24n3.14610Keywords:
ethanol dehydration, extractive distillation, azeotropic distillation, molecular screening (en)deshidratación del etanol, destilación extractiva, destilación azeotrópica, tamices moleculares (es)
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This review outlines ethanol dehydration processes and their most important characteristics. It also deals with the main operating variables and some criteria used in designing the separation scheme. A differentiation is made between processes involving liquid-steam balance in separation operations and those doing it by screening the difference in molecule size. The last part presents a comparison between the three main industrial processes, stressing their strengths and weaknesses from the operational, energy consumption and industrial services points of view.
El objetivo de esta revisión es presentar los procesos de deshidratación del etanol y sus características más importantes, además de las principales variables de operación y algunos criterios utilizados en el diseño del esquema de separación. Se ha hecho una diferenciación entre los procesos que involucran operaciones equilibrio liquido-vapor para la separación y aquellos que lo hacen a través de diferencias de tamaño molecular. Finalmente, se presenta una comparación de los tres principales procesos aplicados a nivel industrial, resaltando sus fortalezas y debilidades desde el punto de vista operativo, de consumo energético y de servicios industriales.
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Copyright (c) 2004 Ana María Uyazán, Iván Dario Gil, J L Aguilar, Gerardo Rodríguez Niño, Luis Alfonso Caicedo
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