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  Nonlinear behavior of reactor-separator networks : influence of separator control structure

Zeyer, K.-P., Pushpavanam, S., & Kienle, A. (2003). Nonlinear behavior of reactor-separator networks: influence of separator control structure. Industrial & Engineering Chemistry Research, 42, 3294-3303. doi:10.1021/ie020768n.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-9FF7-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-696A-B
Genre: Journal Article

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 Creators:
Zeyer, K.-P.1, Author              
Pushpavanam, S.1, 2, Author              
Kienle, A.1, 3, Author              
Affiliations:
1Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738153              
2Dep. of Chemical Engineering, Indian Institute of Tech., Madras, Chennai, India, persistent:22              
3Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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 Abstract: In this paper we analyze the behavior of a coupled reactor separator system with reactant recycle. The reactor is represented by a CSTR and the separator is represented by a flash unit. The reactor is operated isothermally and sustains a first order reaction A goes to B. The individual units always possess a unique, stable and feasible steady state. Surprisingly, even for the simple model system considered here, more complex patterns of behavior – involving infeasibility, multiple steady states and limit cycles – can be observed, when the recycle is closed. It is shown that the behavior crucially depends on the flow and the flash control strategy. Stability criteria are derived for different flow and flash control strategies. They depend on the operating conditions and on the basic physico-chemical properties of the mixture. Potential sources for instability are systematically identified and illustrated. Copyright © 2003 American Chemical Society [accessed 2014 March 28th]

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: eDoc: 124825
Other: 6/03
DOI: 10.1021/ie020768n
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Title: Industrial & Engineering Chemistry Research
Source Genre: Journal
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Pages: - Volume / Issue: 42 Sequence Number: - Start / End Page: 3294 - 3303 Identifier: -