Elements of
Chemical Reaction Engineering
6th Edition



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Essentials of
Chemical Reaction Engineering
Second Edition

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Chapter 15: Diffusion and Reaction in Porous Catalysts

Deriving the Dimensionless Equation:

We begin with this equation:
Let's define our dimensionless variables as:
Before we can make any substitutions, we have to do a little setup:
Now we can make our substitutions:
and we can collect our constants into one term:
Our dimensionless equation is then:
where:


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