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  Modeling, simulation and stabilizing H-control of an oscillating continuous crystallizer with fines dissolution

Motz, S., Mitrovic, A., Gilles, E. D., Vollmer, U., & Raisch, J. (2003). Modeling, simulation and stabilizing H-control of an oscillating continuous crystallizer with fines dissolution. Chemical Engineering Science, 58(15), 3473-3488. doi:10.1016/S0009-2509(03)00199-4.

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Motz, S.1, Autor
Mitrovic, A.1, Autor
Gilles, E. D.1, 2, Autor           
Vollmer, U.3, Autor           
Raisch, J.3, Autor           
Affiliations:
1University of Stuttgart, ou_persistent22              
2Systems Biology, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738155              
3Systems and Control Theory, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738154              

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 Zusammenfassung: In this contribution, a detailed model for a continuous crystallizer with fines dissolution is derived. The main focus of this article is the identification of physical reasons, responsible for the oscillations of these crystallization plants. In contrast to many other crystallization models used in literature for the investigation of such limit cycles, detailed kinetic expressions for crystal growth and attrition, as well as for the separation of fines in the annular zone, are incorporated. By dynamical simulations of the model and by comparison with measured data, an undesired dissolution of larger crystals can be identified as a possible reason for the appearance of sustained oscillations. Finally, a stabilizing feedback controller is designed using H theory. It is demonstrated in simulations that this controller enables stable operation of the crystallizer even at a high fines dissolution rate. © 2003 Elsevier Ltd. All rights reserved. [accessed 2014 April 1st]

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Sprache(n): eng - English
 Datum: 2003
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 124791
Anderer: 10/03
DOI: 10.1016/S0009-2509(03)00199-4
 Art des Abschluß: -

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Titel: Chemical Engineering Science
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 58 (15) Artikelnummer: - Start- / Endseite: 3473 - 3488 Identifikator: -