Influence of the Heat Transfer on Deactivation Processes in a Square Network

A model is proposed to investigate the deactivation through coke formation by accounting for active surface coverage and pore blockage under nonisothermal conditions in a two-dimensional pore network. The system is governed by the Thiele modulus, the Prater number, and the activation energies of the...

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Bibliographic Details
Published in:Industrial & engineering chemistry research 2007-01, Vol.46 (3), p.973-982
Main Author: Averlant, Gauthier L. M
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Exact sciences and technology
Heat and mass transfer. Packings, plates
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Summary:A model is proposed to investigate the deactivation through coke formation by accounting for active surface coverage and pore blockage under nonisothermal conditions in a two-dimensional pore network. The system is governed by the Thiele modulus, the Prater number, and the activation energies of the reactions involved. Two simple reactive paths are considered for the simulations, showing that the activity's prediction can differ strongly from the isothermal case both over time and with its coke content.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie0611103