The following exothermic reaction A → B+C was carried out adiabatically and the following data are recorded: X -TA mol (dm ³ min) 0 1.0 0.2 1.67 0.4 5.0 0.45 5.0 0.5 5.0 0.6 5.0 0.8 0.9 1.25 0.91 The entering molar flow rate of A was 300 mol/min. a) What are the PFR and CSTR volumes necessary to achieve 40% conversion? b) Over what range of conversions would the CSTR and PFR reactor volumes be identical? c) What is the maximum conversion that can be achieved in a 10.5 - dm³ CSTR?
The following exothermic reaction A → B+C was carried out adiabatically and the following data are recorded: X -TA mol (dm ³ min) 0 1.0 0.2 1.67 0.4 5.0 0.45 5.0 0.5 5.0 0.6 5.0 0.8 0.9 1.25 0.91 The entering molar flow rate of A was 300 mol/min. a) What are the PFR and CSTR volumes necessary to achieve 40% conversion? b) Over what range of conversions would the CSTR and PFR reactor volumes be identical? c) What is the maximum conversion that can be achieved in a 10.5 - dm³ CSTR?
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
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Transcribed Image Text:The following exothermic reaction A → B+C was carried out adiabatically and the
following data are recorded:
X
-TA
mol
dm³ min.
0
1.0
0.2
1.67
0.4
5.0
0.45 0.5
5.0
5.0
0.6
5.0
0.8
0.9
1.25 0.91
The entering molar flow rate of A was 300 mol/min.
a) What are the PFR and CSTR volumes necessary to achieve 40% conversion?
b) Over what range of conversions would the CSTR and PFR reactor volumes be
identical?
c) What is the maximum conversion that can be achieved in a 10.5 - dm³ CSTR?
d) What conversion can be achieved if a 72 - dm³ PFR is allowed in series with a
24 dm³ CSTR?
e) What conversion can be achieved if a 4- dm³ CSTR is followed in series with a
72 - dm³ PFR?
f)
Plot the conversion and rate of reaction as a function of PFR reactor volume up to
a volume 100dm³.
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