Artículo
Revisiting the extraction and dehydration of ethanol by the hot propane process
Fecha de publicación:
08/2021
Editorial:
Elsevier Science
Revista:
Journal of Supercritical Fluids
ISSN:
0896-8446
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Conventional liquid extraction is not a suitable separation method for the recovery and dehydration of ethanol and other light alcohols from aqueous solutions. Condensed non-polar gases like propane and CO2 looked promising as potential solvents. The favorable effect of temperature on the alcohol distribution coefficient of condensed propane led to the development of the hot propane process (HPP) for extraction and dehydration of alcohols. The dehydration of the alcohols took place in the solvent recovery column, thanks to the water entrainment effect of propane. Earlier pilot plant studies confirmed the process feasibility. In the present work, we design mixtures of propane + CO2 and phase conditions that fulfill the key properties of the HPP: (1) good alcohol distribution coefficient in the high-pressure extractor and (2) adequate water entrainment effect in the solvent recovery column.
Palabras clave:
CARBON DIOXIDE
,
ETHANOL DEHYDRATION
,
EXTRACTION
,
PROPANE
,
SUPERCRITICAL
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Identificadores
Colecciones
Articulos(PLAPIQUI)
Articulos de PLANTA PILOTO DE INGENIERIA QUIMICA (I)
Articulos de PLANTA PILOTO DE INGENIERIA QUIMICA (I)
Citación
Sánchez, Francisco Adrián; Brignole, Esteban Alberto; Revisiting the extraction and dehydration of ethanol by the hot propane process; Elsevier Science; Journal of Supercritical Fluids; 174; 8-2021; 1-7; 105247
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