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Thermodynamic insight on extractive distillation with entrainer forming new azeotropes

Rodriguez-Donis, Ivonne and Gerbaud, Vincent and Joulia, Xavier Thermodynamic insight on extractive distillation with entrainer forming new azeotropes. (2010) In: Distillation & Absorption 2010, 12-15 sept 2010, Eindhoven, Netherlands .

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Abstract

This paper deals with the feasibility analysis of batch extractive distillation taking into account the effect of the univolatility lines ai,j = 1 and the shape of residue curves for ternary mixtures involving two binary azeotropes. A general feasibility criterion previously established for ternary mixtures only including one azeotrope is now extended to Serafimov’s classification diagrams: 2.0-1, 2.0-2a, 2.0-2b and 2.0-2c. Application of the feasibility criterion hints at which component goes up or down using a rectifying or stripping column. Preliminary feasibility results are verified by computing the map of extractive liquid profiles using a simplified modelling. Examples including batch rectifier are also corroborated by rigorous simulation using ProSim Batch.

Item Type:Conference or Workshop Item (Speech)
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > Instituto Superior de Tecnologias y Ciencias Aplicadas - InSTEC (CUBA)
Laboratory name:
Laboratoire de Génie Chimique - LGC (Toulouse, France) - Procédés Systèmes Industriels (PSI) - Analyse fonctionnelle des Procédés
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Deposited By:Vincent GERBAUD

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