20 400 K, 4 -0.03 cm 15 400 K, 4 -0.1 cm mol g-cates 400 K, 4 -0.6 cm 10 400 K, d -0.8 cm 300 K, d. -0.3 cm 300 K, d, -0.8 cm 500 1000 1500 2000 2500 3000 3500 4000 4500 Fro (molis)

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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Concept problem:
The reaction
A⎯⎯→ B
is carried out in a differential packed-bed reactor at different temperatures, flow rates, and particle sizes. The results shown in Figure P15-3B were obtained.
(a)What regions (i.e., conditions dp,T,FT0) are external mass transferlimited?
(b)What regions are reaction rate–limited?
(c)What region is internal-diffusion-controlled?
(d)What is the internal effectiveness factor at T=400 K and dp=0.8 cm? 

20
400 K, 4 -0.03 cm
15
400 K, 4 -0.1 cm
mol
g-cates
400 K, 4 -0.6 cm
10
400 K, d -0.8 cm
300 K, d. -0.3 cm
300 K, d, -0.8 cm
500 1000 1500 2000 2500 3000 3500 4000 4500
Fro (molis)
Transcribed Image Text:20 400 K, 4 -0.03 cm 15 400 K, 4 -0.1 cm mol g-cates 400 K, 4 -0.6 cm 10 400 K, d -0.8 cm 300 K, d. -0.3 cm 300 K, d, -0.8 cm 500 1000 1500 2000 2500 3000 3500 4000 4500 Fro (molis)
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