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Instationary shrinking-core models for heterogeneous ionic reactions

Koschut, G. and Bothe, D. and Prüss, J. and Warnecke, H.-J. (2001):
Instationary shrinking-core models for heterogeneous ionic reactions.
24, In: Chem. and Eng. Tech., (8), pp. 809-814, [Article]

Item Type: Article
Erschienen: 2001
Creators: Koschut, G. and Bothe, D. and Prüss, J. and Warnecke, H.-J.
Title: Instationary shrinking-core models for heterogeneous ionic reactions
Language: English
Journal or Publication Title: Chem. and Eng. Tech.
Volume: 24
Number: 8
Uncontrolled Keywords: Ion-exchange with instantaneous irreversible reaction, moving boundary problem, instationary shrinking-core model, influence of electromotoric forces, Nernst-Planck equation.
Divisions: 04 Department of Mathematics > Mathematical Modelling and Analysis
UNSPECIFIED
Zentrale Einrichtungen
04 Department of Mathematics
Date Deposited: 26 Apr 2011 13:06
Identification Number: doi:10.1002/1521-4125
Alternative Abstract:
Alternative abstract Language
We introduce mathematical models for a shrinking-core process in a heterogeneous reaction-diffusion system. The first model refers to diffusive mass transport. For this case a novel numerical approach is presented, allowing for calculation of the moving boundary as an explicit system variable. To cover the additional effect of migration which is present in our experimental set-up, the model is modified to incorporate electrical forces. Both models are compared and experimentally validated.English
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