Pore diffusion mass transport, Science

A series of experiments were carried out using various sizes of crushed catalyst in order to determine the importance of pore diffusion on the observed rate.

1254_Pore Diffusion Mass Transport.png

a) do the data suttest that pore diffusion mass transport was limiting the rate?

b) derive an expression from the data that would permit calculation of the 'true' rate constant


The reaction may be assumed to be first order and irreversible

Catalyst particles were microspheres

Surface concentration of reactant = 0.0002 mol/cm3

Posted Date: 4/1/2013 6:30:51 AM | Location : United States

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