2. The homogenous, reversible, exothermic, liquid phase reaction A → R is being carried out in a reactor system consisting of two ideal CFSTR in series. Both reactors operate at 150°C. The molar flow rate of A entering the first CFSTR is 55,000 mol h ¹. The concentration of A in this stream 6.5 g.mol/l, and the concentration of R is negligible.
2. The homogenous, reversible, exothermic, liquid phase reaction A → R is being carried out in a reactor system consisting of two ideal CFSTR in series. Both reactors operate at 150°C. The molar flow rate of A entering the first CFSTR is 55,000 mol h ¹. The concentration of A in this stream 6.5 g.mol/l, and the concentration of R is negligible.
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:2. The homogenous, reversible, exothermic, liquid phase reaction A → R is being
carried out in a reactor system consisting of two ideal CFSTR in series.
Both reactors operate at 150°C. The molar flow rate of A entering the first CFSTR is
55,000 mol h ¹. The concentration of A in this stream 6.5 g.mol/l, and the
concentration of R is negligible.
It is known that the fractional conversion of A in the outlet stream from the second
CFSTR is 0.75. The fractional conversion is based on the molar flow rate entering the
first reactor.
The reaction order is first in both directions. The rate constant for the forward
reaction @ 150°C is 1.28 h-¹ and the equilibrium constant based on concentration
(i.e. Kc) is 10.0.
(a) If the volume of the second CFSTR is 10,000 I, determine the required volume of
the first CFSTR.
(b) What conversion would be attained in the first reactor if the reaction were
irreversible, i.e. A → R, and the forward rate constant were the same?
Transcribed Image Text:a) Volume of the first CFSTR = 6873 L
b) Conversion of the first reactor for an irreversible reaction
= 0.51
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