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  Nonlinear Behavior of Coupled Reactor-Separator Systems with Azeotropic Vapor-Liquid Equilibriums (VLEs) : Comparison of Different Control Strategies

Vetukuri, S. R. R., Pushpavanam, S., Zeyer, K. P., & Kienle, A. (2006). Nonlinear Behavior of Coupled Reactor-Separator Systems with Azeotropic Vapor-Liquid Equilibriums (VLEs): Comparison of Different Control Strategies. Industrial and Engineering Chemistry Research, 45, 1019-1028. doi:10.1021/ie0502382.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-9AA9-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-D16D-8
Genre: Journal Article
Alternative Title : Ind. Engng. Chem. Res.

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 Creators:
Vetukuri, S. R. R.1, Author
Pushpavanam, S.1, 2, Author              
Zeyer, K. P.2, Author              
Kienle, A.2, 3, Author              
Affiliations:
1Indian Institute of Technology, Chemical Engineering Department, 600036 Chennai (Madras), India, ou_persistent22              
2Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738153              
3Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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 Abstract: In this paper we discuss the behavior of a coupled reactor - separator system. The reactor is modeled as a CSTR sustaining an elementary first order reaction and the separator as a single stage flash unit. The coupling occurs via a recycle of the bottoms stream from the downstream separator to the upstream reactor. The emphasis in this paper is on studying the behavior of the coupled system when the VLE of the mixture has an azeotrope. Consequently the bottoms stream can be reactant rich or lean. Different control strategies for the operation of the reactor and separator are discussed. The stability of the steady states is analyzed analytically for each strategy. Physical explanation for the stabilty results are presented. In general, it is found that the recycle lean stream gives rise to instability. © 2006 American Chemical Society [accessed 2014 January 9th]

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Language(s): eng - English
 Dates: 2006
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 241962
Other: 3/06
DOI: 10.1021/ie0502382
 Degree: -

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Title: Industrial and Engineering Chemistry Research
Source Genre: Journal
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Publ. Info: Washington, D.C : American Chemical Society
Pages: - Volume / Issue: 45 Sequence Number: - Start / End Page: 1019 - 1028 Identifier: ISSN: 0888-5885
CoNE: https://pure.mpg.de/cone/journals/resource/954928546246