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ID: 447427.1, MPI für Dynamik komplexer technischer Systeme / Physical and Chemical Foundations of Process Engineering
A thermodynamically consistent explicit competitive adsorption isotherm model based on second order single component behaviour
Authors:Ilic, M.; Flockerzi, D.; Seidel-Morgenstern, A.
Language:English
Date of Publication (YYYY-MM-DD):2010
Title of Journal:Journal of Chromatography A
Volume:1217
Issue / Number:14
Start Page:2132
End Page:2137
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:A competitive adsorption isotherm model is derived for binary mixtures of components characterized by single component isotherms which are second order truncations of higher order equilibrium models suggested by multilayer theory and statistical thermodynamics. The competitive isotherms are determined using the ideal adsorbed solution (IAS) theory which, in case of complex single component isotherms, does not generate explicit expressions to calculated equilibrium loadings and causes time consuming iterations in simulations of adsorption processes. The explicit model derived in this work is based on an analysis of the roots of a cubic polynomial resulting from the set of IAS equations. The suggested thermodynamically consistent and widely applicable competitive isotherm model can be recommended as a flexible tool for efficient simulations of fixed-bed adsorber dynamics.

Copyright © 2010 Elsevier B.V. All rights reserved. [accessed February 22, 2010]
Free Keywords:Adsorption isotherms; Binary mixture; Ideal adsorbed solution theory ;, Langmuir isotherm; Quadratic isotherm
External Publication Status:published
Document Type:Article
Communicated by:Andreas Seidel-Morgenstern
Affiliations:MPI für Dynamik komplexer technischer Systeme/Physical and Chemical Foundations of Process Engineering
MPI für Dynamik komplexer technischer Systeme/Systems and Control Theory
External Affiliations:Otto-von-Guericke-Universität Magdeburg,
Institut für Verfahrenstechnik,
39106 Magdeburg, Germany
Identifiers:URL:http://dx.doi.org/10.1016/j.chroma.2010.02.006
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