Question: It has been suggested that we replace these large particles with very small particles so as to operate wholly in the diffusion-free regime and thus

It has been suggested that we replace these large particles with very small particles so as to operate wholly in the diffusion-free regime and thus use less catalyst for the same conversions. How long a run time can we expect before the conversion drops from 88% to 64% if the catalyst is used in

. . . a fluidized solids reactor (assume mixed flow of fluid)?

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