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Integrating process design and control: An application of optimal control to chemical processes

Miranda, M and Reneaume, Jean-Michel and Meyer, Xuan Mi and Meyer, Michel and Szigeti, F Integrating process design and control: An application of optimal control to chemical processes. (2008) Chemical Engineering and Processing: Process Intensification, vol. 4 (n° 11). pp. 2004-2018. ISSN 0255-2701

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Official URL: http://dx.doi.org/10.1016/j.cep.2007.11.010

Abstract

In this paper, the optimal design of process systems generically used in chemical industries is studied. The closely coupled nature of optimal design specification of the equipment, the determination of the optimal process parameters in steady-state, moreover, some issues of the application of optimal control is shown. The solution of the overall optimization problem including (i) optimal design of the equipment and (ii) specification of its optimal control strategy can be found relying on two different design concepts, namely, on the conventionally used sequential or, on the newly emerged simultaneous design approaches. This paper gives the theoretical background of the ideas and presents a comparative summary of the approaches. The two approaches are contrasted to each other in which the effects of the interaction of optimal process design and optimal control is highlighted. A new simultaneous optimization procedure providing economic and operability benefits over the traditional stand-alone approach is proposed. The applicability of the idea is demonstrated by means of a design study carried out for optimal design of a coaxial heat exchanger and a reactive distillation column for the synthesis of ethyl tert butyl ether (ETBE), relying on the benefits of the utilization of optimal control.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Chemical Engineering and Processing: Process Intensification website : http://www.sciencedirect.com/science/journal/02552701
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Other partners > Universidad de Los Andes (VENEZUELA)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > Université de Pau et des Pays de l'Adour - UPPA (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS
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Deposited By: Hélène Dubernard
Deposited On:09 Oct 2008 13:54

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