Incremental identification of fluid multi-phase reaction systems

Despite their importance, rigorous process models are rarely available for reaction and especially multi‐phase reaction systems. The high complexity of these systems, which is due to the superposed effects of mass transfer and intrinsic reaction, is the major barrier for the development of process m...

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Bibliographic Details
Published in:AIChE journal 2009-04, Vol.55 (4), p.1009-1022
Main Authors: Michalik, Claas, Brendel, Marc, Marquardt, Wolfgang
Format: Article
Language:English
Subjects:
Applied sciences
biocatalysis
Catalysis
Chemical engineering
Chemical reactions
Enzymes
Exact sciences and technology
Fluids
Heat and mass transfer. Packings, plates
intrinsic reaction kinetics
Methods
model identification
multi-phase
parameter estimation
Reaction kinetics
reaction modeling
Reactors
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Summary:Despite their importance, rigorous process models are rarely available for reaction and especially multi‐phase reaction systems. The high complexity of these systems, which is due to the superposed effects of mass transfer and intrinsic reaction, is the major barrier for the development of process models. A methodology that allows thesystematic decomposition of mass transfer and chemical reaction and thus enables the efficient identification of multi‐phase reaction systems is proposed in this work. The method is based on the so‐called Incremental Identification Method, recently presented by Brendel et al., Chem Eng Sci. 2006;61:5404‐5420. The method allows to easily test the identifiability of a system based on the available measurement data. If identifiability is given, the intrinsic reaction kinetics can be identified in a sound and numerically robust manner. These benefits are illustrated using a simulated 2‐phase enzyme reaction system. © 2009 American Institute of Chemical Engineers AIChE J, 2009
ISSN:0001-1541
1547-5905
DOI:10.1002/aic.11738