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International Journal of Chemical Reactor Engineering

Ed. by de Lasa, Hugo / Xu, Charles Chunbao


IMPACT FACTOR increased in 2015: 0.759

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1542-6580
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Performance Improvement and Dynamical Behaviour Analysis of a Cascade of Two CSTRs

Harvinder S Sidhu1 / Simon D Watt2 / Mark I Nelson3 / Ajay K Ray4

1University of New South Wales at the Australian Defence Force Academy,

2University of New South Wales at the Australian Defence Force Academy,

3University of Wollongong,

4University of Western Ontario,

Citation Information: International Journal of Chemical Reactor Engineering. Volume 5, Issue 1, ISSN (Online) 1542-6580, DOI: 10.2202/1542-6580.1393, April 2007

Publication History

Published Online:
2007-04-17

We revisit the analysis of a reactor network consisting of two coupled continuous stirred tank reactors (CSTRs) arranged in series (Chem. Eng. J. 59 (1995) 169). The main idea proposed in this earlier work is to improve process conversion by generating periodic behaviour in the first reactor (by appropriate choice of design and operational parameters) which then 'forces' the second reactor. The performance of this cascade system was shown to be greatly enhanced using the above strategy. In this paper we show some conceptual errors in the analysis in the original paper. We also show that by employing a systematic bifurcation analysis, including the use of a path following software, greater insights can be gained regarding the system's behaviour. Using these techniques we show that operation and design parameters can be readily identified to ensure that the cascade has a superior performance to a single CSTR.

Keywords: bifurcation; modelling; nonlinear dynamics; reaction engineering; stability; stirred-tank reactors; chemical oscillator

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[1]
B. Vanavil, M.P. Harikumar, and A. Seshagiri Rao
Chemical Engineering Research and Design, 2014, Volume 92, Number 11, Page 2123

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