SOLVED:The importance of diffusion in catalyst pellets can often be determined by measuring the effect of pellet size on the observed reaction rate. In this exercise, consider an irreversible first-order reaction occurring in catalyst pellets where the surface concentration of reactant A is CA S=0.15 M. Diameter of sphere (cm) 0.2 0.06 0.02 0.006 robs (mol / h / cm^3) 0.25 0.80 1.8 2.5 (a) Calculate the intrinsic rate constant and the effective diffusivity
SOLVED:The importance of diffusion in catalyst pellets can oft…
May 29, 2020
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Under conditions of strong pore diffusion the reaction A→R proc... | Filo
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In the absence of pore diffusion resistance a particular first-order gasphase reaction proceeds as reported below. -rA^'''=10^-6 mol / cm^3 cat ·s at CA=10^-5 mol / cm^3 1 atm and 400^∘ C What size of spherical catalyst pellets (𝒟e=10^-3 cm^3 / cm cat ·s) would ensure that pore resistance effects do not intrude to slow the rate of reaction? | Numerade
In the absence of pore diffusion resistance a particular first-order …
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