Unstable systems

Fluidized bed reactor

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 System description

A fluidized bed reactor is a type of reactor device that can be used to carry out a variety of multiphase chemical reactions.

The presented reactor is carrying out oxidation of benzene to maleic anhydride. The reaction is highly exothermic and the temperature of the bed (T) is carefully controlled by regulating the coolant flow rate (Wc).

Physical quantities:

- T [K] temperature of the bed

- Wc [l/s] coolant flow rate

Mathematical model

The transfer function relating the reactor bed temperature T to coolant flow rate Wc is given by:


Simulation files

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Information sources

KENDI, Thomas A.; DOYLE III, Francis J. Nonlinear Control of a Fluidized Bed Reactor Using Approximate Feedback Linearization. Industrial & Engineering Chemistry Research. 1996, 35 (3), pp 746-757. DOI 10.1021/ie950334a. Available from: http://pubs.acs.org/doi/abs/10.1021/ie950334a

PADMA SREE, R., CHIDAMBARAM, M. Control of Unstable Systems. Oxford: Alpha Science, 2006, 297 p. ISBN 1-84265-287-7.

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