4. What PBR weight is necessary to achieve 80% conversion? 5. What PBR weight is necessary to achieve 40% conversion? 6. Plot the rate of reaction and conversion as a function of PBR cata- lyst weight, W.
4. What PBR weight is necessary to achieve 80% conversion? 5. What PBR weight is necessary to achieve 40% conversion? 6. Plot the rate of reaction and conversion as a function of PBR cata- lyst weight, W.
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
Related questions
Question
Please answer 4-6 since 1-3 has already been answered!
Transcribed Image Text:P2-10c OEQ (Old Exam Question). The curve shown in Figure 2-1 is
typical of a reaction carried out isothermally, and the curve shown in
Figure P2-10c (see Example 11-3) is typical of a gas-solid catalytic
exothermic reaction carried out adiabatically.
FA (kg catalyst)
60
50
40
30
20
10
2
A B+C
.4
256
.6
Conversion, X
O
.8
1.0
Transcribed Image Text:Elements of Chemical Reaction Engineering, 6th Edition
Figure P2-10c Levenspiel plot for an adiabatic exothermic hetero-
geneous reaction.
1. Assuming that you have a fluidized CSTR and a PBR containing
equal weights of catalyst, how should they be arranged for this adia-
batic reaction? Use the smallest amount of catalyst weight to
achieve 80% conversion of A.
2. What is the catalyst weight necessary to achieve 80% conversion in
a fluidized CSTR? (Ans: W = 23.2 kg of catalyst)
3. What fluidized CSTR weight is necessary to achieve 40%
conversion?
4. What PBR weight is necessary to achieve 80% conversion?
5. What PBR weight is necessary to achieve 40% conversion?
6. Plot the rate of reaction and conversion as a function of PBR cata-
lyst weight, W.
Additional information: FAO = 2 mol/s.
257
Fluidized
catalyst
pellets
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