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Modelling of a gas-solid reaction with porosity changes

Published online by Cambridge University Press:  25 October 2002

F. Sbaffo ,
F. Patisson ,
J. L. Houzelot  and
D. Ablitzer
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Abstract

In order to explain and simulate the behaviour of real, complex gas-solid reactive systems, we developed a new kinetic model which describes the coupled phenomena of chemical reaction, diffusion, heat transfer and porosity evolution. The model was successfully applied to the hydrofluorination of uranium dioxide. The difference in reactivity between two dioxides has been related to their initial pore structure and its evolution.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 97 , Issue 12 , December 2000 , pp. 1463 - 1470
Copyright
© La Revue de Métallurgie, 2000

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