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Application of percolation theory to noncatalytic gas-solid reactions

✍ Scribed by Y. C. Yortsos; M. Sharma

Publisher
American Institute of Chemical Engineers
Year
1986
Tongue
English
Weight
786 KB
Volume
32
Category
Article
ISSN
0001-1541

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✦ Synopsis

Previous models of noncatalytic gas-solid reactions are based primarily on parallelpore representations, thus excluding important topological effects of the porous medium. This paper utilizes network representations and percolation theory to develop expressions for pore closure time and the evolution of accessible volume, effective diffmivity, and conversion rates.

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## Abstract Analysis of single‐pore behavior in a porous pellet of reactant is used to develop a new model for predicting the conversion‐time relationship for gas‐solid noncatalytic reactions. The model accounts for the influence of pore diffusion, diffusion through the product layer which builds u