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Dynamics of reactive distillation for the production of ethyl acetate: experiments at a pilot plant and modelling

Fernandez, Mayra and Barroso, Benoît and Meyer, Michel and Meyer, Xuan Mi and Le Lann, Marie-Véronique and Carrillo Le Roux, Galo and Brehelin, Mathias Dynamics of reactive distillation for the production of ethyl acetate: experiments at a pilot plant and modelling. (2012) In: 22th European Symposium on Computer-Aided Process Engineering (ESCAPE 22), 17-20 Jun 2012, Londres, United Kingdom .

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Official URL: http://www.sciencedirect.com/science/bookseries/15707946

Abstract

In order to understand the complex behaviour of the reactive distillation process and to be able to provide an accurate design of a reactive column, detailed analyses on both continuous and transient regime become necessary. The objective is the definition of a reliable simulation model, based on experimental data obtained from a real pilot-scale plant device for the heterogeneously catalysed esterification of acetic acid and ethanol to form ethyl acetate and water. The choice of the parameters for the continuous equilibrium model was discussed and the simulation results provided good agreement with experimental data, revealing an interesting sensitivity of the catalyst activity to the feed composition. Once column configuration and operational parameters were validated, dynamic experiments were realized so as to interpret the sensitivity of different disturbances. Feed flow rates, reflux ratio and heat duty were perturbed and the consequent open loop transient responses were identified. The assessment of hydrodynamic parameters and the validation of the transient data allow the definition of a reliable dynamic model that represents tendencies and behaviours of the process well. The resulting model is to be applied into a more complex controllability methodology

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to Elsevier editor. 05-12-12 : The definitive version is available at http://www.sciencedirect.com/science/bookseries/15707946. Proceedings available in Computer Aided Chemical Engineering. volume 30, Eds. Ian David Lockhart Bogle and Michael Fairweather - ISBN 978-0-444-59431-0
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 > Institut National des Sciences Appliquées de Toulouse - INSA
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Other partners > Rhodia (FRANCE)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Université de Toulouse > Université de Toulouse II-Le Mirail - UTM
Other partners > Universidade de São Paulo - USP (BRAZIL)
Laboratory name:
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Deposited By: Vincent GERBAUD

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