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Extractive distillation of acetone/methanol mixture using water as entrainer / Iván D. Gil in Industrial & engineering chemistry research, Vol. 48 N° 10 (Mai 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 10 (Mai 2009) . - pp. 4858–4865 Titre : Extractive distillation of acetone/methanol mixture using water as entrainer Type de document : texte imprimé Auteurs : Iván D. Gil, Auteur ; Diana C. Botía, Auteur ; Pablo Ortiz, Auteur Année de publication : 2009 Article en page(s) : pp. 4858–4865 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Acetone-methanol  Extractive  distillation  Vapor−liquid  equilibrium  UNIQUAC  model Résumé : The acetone−methanol extractive distillation using water as an entrainer was simulated on Aspen Plus software package using rigorous methods. Calculation of the vapor−liquid equilibrium for the ternary system was done by the UNIQUAC model according to the experimental results obtained in a previous work. The effects of the solvent to feed molar ratio, reflux ratio, feed stage, feed solvent stage, and solvent feed temperature were studied to obtain the best design of the extractive distillation column with minimal energy requirements. The most appropriate configuration is 52 theoretical stages. The best binary mixture and entrainer feeding stages were obtained at 48 and 22 respectively with a solvent to feed molar and reflux ratio of 2.0 and 5.0, respectively. The simulation results show the effect of the main variables on the extractive distillation process. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801637h [article] Extractive distillation of acetone/methanol mixture using water as entrainer [texte imprimé] / Iván D. Gil, Auteur ; Diana C. Botía, Auteur ; Pablo Ortiz, Auteur . - 2009 . - pp. 4858–4865. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 10 (Mai 2009) . - pp. 4858–4865 Mots-clés : Acetone-methanol  Extractive  distillation  Vapor−liquid  equilibrium  UNIQUAC  model Résumé : The acetone−methanol extractive distillation using water as an entrainer was simulated on Aspen Plus software package using rigorous methods. Calculation of the vapor−liquid equilibrium for the ternary system was done by the UNIQUAC model according to the experimental results obtained in a previous work. The effects of the solvent to feed molar ratio, reflux ratio, feed stage, feed solvent stage, and solvent feed temperature were studied to obtain the best design of the extractive distillation column with minimal energy requirements. The most appropriate configuration is 52 theoretical stages. The best binary mixture and entrainer feeding stages were obtained at 48 and 22 respectively with a solvent to feed molar and reflux ratio of 2.0 and 5.0, respectively. The simulation results show the effect of the main variables on the extractive distillation process. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801637h