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Dur packed bed reactor runs the gas phase reaction A → R at 10 atm nd 336°C, and gives 90% conversion of a pure A feed. However, the atalyst salesman guarantees that in the absence of any pore diffusion esistance our reaction will proceed on his new improved porous catalyst De = 2 x 10-6 m³/m cat · s) with a rate given by mol -rA = 0.88CA m' cat · s which is much better than what we now can do. The catalyst is rather xpensive, since it is formulated of compressed kookaburra droppings nd it is sold by weight. Still, we'll try it when we next replace our catalyst. What diameter of catalyst balls should we order?

Dur packed bed reactor runs the gas phase reaction A → R at 10 atm nd 336°C, and gives 90% conversion of a pure A feed. However, the atalyst salesman guarantees that in the absence of any pore diffusion esistance our reaction will proceed on his new improved porous catalyst De = 2 x 10-6 m³/m cat · s) with a rate given by mol -rA = 0.88CA m' cat · s which is much better than what we now can do. The catalyst is rather xpensive, since it is formulated of compressed kookaburra droppings nd it is sold by weight. Still, we'll try it when we next replace our catalyst. What diameter of catalyst balls should we order?

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
Section: Chapter Questions
Problem 1.1P
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. Our packed bed reactor runs the gas phase reaction A → R at 10 atm and 336°C, and gives 90% conversion of a pure A feed. However, the catalyst salesman guarantees that in the absence of any pore diffusion resistance our reaction will proceed on his new improved porous catalyst (De = 2 x 10-6 m³/m cat · s) with a rate given by mol -rA = 0.88C A m³ cat · s which is much better than what we now can do. The catalyst is rather expensive, since it is formulated of compressed kookaburra droppings and it is sold by weight. Still, we'll try it when we next replace our catalyst. What diameter of catalyst balls should we order?
Transcribed Image Text:. Our packed bed reactor runs the gas phase reaction A → R at 10 atm and 336°C, and gives 90% conversion of a pure A feed. However, the catalyst salesman guarantees that in the absence of any pore diffusion resistance our reaction will proceed on his new improved porous catalyst (De = 2 x 10-6 m³/m cat · s) with a rate given by mol -rA = 0.88C A m³ cat · s which is much better than what we now can do. The catalyst is rather expensive, since it is formulated of compressed kookaburra droppings and it is sold by weight. Still, we'll try it when we next replace our catalyst. What diameter of catalyst balls should we order?
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