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Thermodynamic insight on extractive distillation with entrainer forming new azeotropes

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

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Official URL: http://www.da2010.nl/


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 (Paper)
HAL Id:hal-04087803
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
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
Deposited On:15 Feb 2011 12:55

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