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          Institute: MPI für Dynamik komplexer technischer Systeme     Collection: Physical and Chemical Process Engineering     Display Documents



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ID: 440532.3, MPI für Dynamik komplexer technischer Systeme / Physical and Chemical Process Engineering
Dynamics of Liquid-Liquid Systems Based on Linear Thermodynamics of Irreversible Processes
Authors:Ahamed Imam, Rayees; Freund, Hannsjörg; Sundmacher, Kai
Language:English
Date of Publication (YYYY-MM-DD):2011
Title of Journal:Computers & Chemical Engineering
Volume:35
Issue / Number:4
Start Page:630
End Page:637
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The use of non-equilibrium models for integrated processes involving liquid–liquid systems has increased in recent years. These processes often exhibit complex dynamic behavior. These dynamical systems still pose many open questions, e.g. with regard to the sources of multiple steady states (MSS). This article analyzes the effect of mass transfer on the MSS of these systems. A ggeneralized non-equilibrium modeling approach based on linear thermodynamics of irreversible processes (LTIP) is presented, and the dynamics
of the system is studied systematically. It is shown that the non-linearity present in even the simplest nonideal activity model acts as a source for MSS. The parameters that affect the solubility, e.g. temperature, can play a critical role on the existence of MSS in the system. A geometrical visualization of the MSS is
also illustrated.

Copyright © 2011 Elsevier B.V. All rights reserved. [accessed May 27th 2011]
External Publication Status:published
Document Type:Article
Communicated by:Kai Sundmacher
Affiliations:MPI für Dynamik komplexer technischer Systeme/Physical and Chemical Process Engineering
External Affiliations:Otto-von-Guericke University Magdeburg,
Process Systems Engineering,
Magdeburg, Germany
Identifiers:URL:http://dx.doi.org/10.1016/j.compchemeng.2010.06.01...
LOCALID:52/11
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