Article (Scientific journals)
Model-based geometry optimization on a Nitsch cell using the Fisher information matrix.
Bertakis, Evangelos; Kalem, Murat; Pfennig, Andreas
2008In Chemical Engineering Science, 63 (19), p. 4881-4887
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Abstract :
[en] In order to experimentally estimate the rate-determining steps and the kinetic parameters of interfacial reaction models, e.g. for the design of reactive-extraction equipment, the Nitsch cell and its variants are broadly used. In the present study, an optimized Nitsch cell was designed with the help of a kinetic model from the literature to improve the quality of the measurements for the case of the system Zn/D2EHPA, which is a standard test system in reactive extraction. The determinant of the Fisher information matrix was used as a measure of the expected information obtained from the experiments as a function of apparatus geometry. Design parameters like the organic and inorganic phase volumes and the interfacial area between them have been optimized by maximizing the information obtained in each experiment. The results lead to an ideal geometry for such an apparatus, and show that significant improvement compared to current common practice is possible.
Disciplines :
Chemical engineering
Author, co-author :
Bertakis, Evangelos
Kalem, Murat
Pfennig, Andreas  ;  Université de Liège - ULiège > Département de chimie appliquée > Ingénierie des procédés de séparation et de purification
Language :
English
Title :
Model-based geometry optimization on a Nitsch cell using the Fisher information matrix.
Publication date :
2008
Journal title :
Chemical Engineering Science
ISSN :
0009-2509
eISSN :
1873-4405
Publisher :
Pergamon Press - An Imprint of Elsevier Science, Oxford, United Kingdom
Volume :
63
Issue :
19
Pages :
4881-4887
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 February 2015

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