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F33 At present we are running our catalytic first order reaction in the strong pore diffusion regime in a packed bed reactor filled with platinum impregnated 6 mm particles of uniform size. A catalyst manufacturer suggests that we replace our catalyst with 6 mm. pellets consisting of fused 0.06 mm grains. The voidage between grains in the pellet would be about 25%. If these new pellets were free of pore diffusion resistance in their large voids (between grains), but if the grains were still in the strong diffusional resistance regime, how would this change affect the weight of catalyst needed and the reactor volume?

F33 At present we are running our catalytic first order reaction in the strong pore diffusion regime in a packed bed reactor filled with platinum impregnated 6 mm particles of uniform size. A catalyst manufacturer suggests that we replace our catalyst with 6 mm. pellets consisting of fused 0.06 mm grains. The voidage between grains in the pellet would be about 25%. If these new pellets were free of pore diffusion resistance in their large voids (between grains), but if the grains were still in the strong diffusional resistance regime, how would this change affect the weight of catalyst needed and the reactor volume?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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F33 At present we are running our catalytic first order reaction in the strong pore diffusion regime in a packed bed reactor filled with platinum impregnated 6 mm particles of uniform size. A catalyst manufacturer suggests that we replace our catalyst with 6 mm pellets consisting of fused 0.06 mm grains. The voidage between grains in the pellet would be about 25%. If these new pellets were free of pore diffusion resistance in their large voids (between grains), but if the grains were still in the strong diffusional resistance regime, how would this change affect the weight of catalyst needed and the reactor volume?
Transcribed Image Text:F33 At present we are running our catalytic first order reaction in the strong pore diffusion regime in a packed bed reactor filled with platinum impregnated 6 mm particles of uniform size. A catalyst manufacturer suggests that we replace our catalyst with 6 mm pellets consisting of fused 0.06 mm grains. The voidage between grains in the pellet would be about 25%. If these new pellets were free of pore diffusion resistance in their large voids (between grains), but if the grains were still in the strong diffusional resistance regime, how would this change affect the weight of catalyst needed and the reactor volume?
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