1. An important time parameter in reaction engineering is the reactor space time t, the time needed to process one reactor volume of fluid. For an ideal plug-flow reactor (PFR), a mass balance gives a design equation of Aout dfa TI CAO Sou TAIN TA where CÃO is the initial concentration of reactant A, fa is the fractional conversion, and ra is the rate of reaction. We can see that by plotting fractional conversion data against-1/TA, space time can be calculated by integration. Rate data were collected straight from the reactor with the innovative rate meter.
1. An important time parameter in reaction engineering is the reactor space time t, the time needed to process one reactor volume of fluid. For an ideal plug-flow reactor (PFR), a mass balance gives a design equation of Aout dfa TI CAO Sou TAIN TA where CÃO is the initial concentration of reactant A, fa is the fractional conversion, and ra is the rate of reaction. We can see that by plotting fractional conversion data against-1/TA, space time can be calculated by integration. Rate data were collected straight from the reactor with the innovative rate meter.
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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Transcribed Image Text:1. An important time parameter in reaction engineering is the reactor space time t, the time
needed to process one reactor volume of fluid. For an ideal plug-flow reactor (PFR), a mass
balance gives a design equation of
JAout dfa
= Cao
Ain A
where CAO is the initial concentration of reactant A, fa is the fractional conversion, and rA is the
rate of reaction. We can see that by plotting fractional conversion data against-1/A, space time
can be calculated by integration. Rate data were collected straight from the reactor with the
innovative rate meter.
fA
-IA (M/S)
3.94
0
0.1
2.91
0.2
2.33
0.3
1.95
0.4
1.47
0.5
1.08
0.6
0.82
0.7
0.49
0.8
0.34
Given CAO = 5M calculate the space time of an ideal PFR. Let fAin 0.05 and fout = 0.75.
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