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  Optimization of startup and shutdown operation of simulated moving bed chromatographic processes

Li, S., Kawajiri, Y., Raisch, J., & Seidel-Morgenstern, A. (2011). Optimization of startup and shutdown operation of simulated moving bed chromatographic processes. Journal of Chromatography A, 1218(25), 3876-3889. doi:10.1016/j.chroma.2011.04.051.

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 Urheber:
Li, S.1, Autor           
Kawajiri, Y.2, Autor
Raisch, J.1, 3, Autor           
Seidel-Morgenstern, A.4, 5, Autor           
Affiliations:
1Systems and Control Theory, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738154              
2Georgia Inst. of Technology, School of Chem. & Biomol. Eng., Atlanta, USA, persistent:22              
3TU Berlin, persistent:22              
4Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738150              
5Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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Schlagwörter: Simulated moving bed chromatography; Startup; Shutdown; Transient operation; Dynamic optimization
 Zusammenfassung: This paper presents new multistage optimal startup and shutdown strategies for simulated moving bed (SMB) chromatographic processes. The proposed concept allows to adjust transient operating conditions stage-wise, and provides capability to improve transient performance and to fulfill product quality specifications simultaneously. A specially tailored decomposition algorithm is developed to ensure computational tractability of the resulting dynamic optimization problems. By examining the transient operation of a literature separation example characterized by nonlinear competitive isotherm, the feasibility of the solution approach is demonstrated, and the performance of the conventional and multistage optimal transient regimes is evaluated systematically. The quantitative results clearly show that the optimal operating policies not only allow to significantly reduce both duration of the transient operation phase and desorbent consumption, but also enable on-spec production even during startup and shutdown periods. With the aid of the developed transient procedures, short-term separation campaigns with small batch sizes can be performed more flexibly and efficiently by SMB chromatography. Copyright © 2011 Published by Elsevier B.V. [accessed May 27th 2011]

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Sprache(n): eng - English
 Datum: 2011
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 562915
Anderer: 61/11
DOI: 10.1016/j.chroma.2011.04.051
 Art des Abschluß: -

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Titel: Journal of Chromatography A
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Amsterdam : Elsevier
Seiten: - Band / Heft: 1218 (25) Artikelnummer: - Start- / Endseite: 3876 - 3889 Identifikator: ISSN: 0021-9673
CoNE: https://pure.mpg.de/cone/journals/resource/954925527837_1