Measurement and estimation in catalytic reactors for partial oxidation

An appropriate simplified model has been developed to describe the steady-state and dynamic behaviour of a fixed-bed catalytic reactor for the oxidation of o-xylene to phthalic anhydride. Predictions have been compared with experiments in a single-tube reactor of industrial dimensions, using measure...

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Bibliographic Details
Published in:Transactions of the Institute of Measurement and Control 1986-07, Vol.8 (3), p.137-143
Main Authors: Kershenbaum, L., Lopez-Isunza, F.
Format: Article
Language:English
Subjects:
Ambiguity
Catalysis
Catalysts
Dimensional measurements
Dynamics
Mathematical models
Oxidation
Phthalic anhydride
Reactors
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Summary:An appropriate simplified model has been developed to describe the steady-state and dynamic behaviour of a fixed-bed catalytic reactor for the oxidation of o-xylene to phthalic anhydride. Predictions have been compared with experiments in a single-tube reactor of industrial dimensions, using measurements of temperature and composition at 26 axial positions. Experiments point out the existence of regions of moderate or high sensitivity to changes in operating conditions; the model predicts the same behaviour. However, variations in catalyst activity as a function of both time and position can lead to some ambiguity in the interpretation of results.
ISSN:0142-3312
1477-0369
DOI:10.1177/014233128600800305