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Dynamics of Reactive Distillation Processes with Potential Liquid Phase Splitting

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons86298

Gangadwala,  J.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86359

Kienle,  A.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86497

Sundmacher,  K.
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

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Citation

Gangadwala, J., Radulescu, G., Paraschiv, N., Kienle, A., & Sundmacher, K. (2007). Dynamics of Reactive Distillation Processes with Potential Liquid Phase Splitting. In P. S. Plesu, & V. Agachi (Eds.), 17th European Symposium on Computer Aided Process Engineering (pp. 213-218). Amsterdam: Elsevier.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-98E7-F
Abstract
A dynamic reactive distillation (RD) column model is developed for highly non-ideal systems with potential phase splitting. Dynamic simulations and nonlinear dynamic analysis are performed for recovery of acetic acid from waste waters by esterification with n-butanol, which is an interesting alternative to nonreactive separation processes. Two alternative RD column designs were tested with respect to their open loop transient responses to process disturbances. One parameter continuation with eigenvalue calculations reveals existence of multiple steady states with stable and unstable branches. These steady states were found to have totally different phase splitting behavior of the original liquid phase inside the column. Conclusions are drawn for process operation. © Copyright 2010 Elsevier B.V., All rights reserved. [accessed 2013 December 4th]