2- The following first order irreversible liquid phase reaction takes place in two equal volume (2m3 of each) CSTRS connected in series. k2 k1 A → B B is desired product and the reactors are operated at 93°C. The first reactor is adiabatic and the second one is isothermal. The volumetric flow rate of feed (v.) is 0.5 m³/s and k=k2=0.125 s' (at 93°C). a) Calculate the concentration of A and B at the exit of the first and second reactors (CA1, Слг, Св, Свг). b) If the density of the fluid is 0.95 g/cm³, heat capacity is 3 J/gK and Cao= 1.5 kmol/m³, what should be the inlet temperature of the first reactor? c) If AH, = -60 kJ /mol AH, = 20 kJ /mol, calculate the removal of heat from the second reactor in order to keep the second reactor at isothermal conditions (at 93°C)?
2- The following first order irreversible liquid phase reaction takes place in two equal volume (2m3 of each) CSTRS connected in series. k2 k1 A → B B is desired product and the reactors are operated at 93°C. The first reactor is adiabatic and the second one is isothermal. The volumetric flow rate of feed (v.) is 0.5 m³/s and k=k2=0.125 s' (at 93°C). a) Calculate the concentration of A and B at the exit of the first and second reactors (CA1, Слг, Св, Свг). b) If the density of the fluid is 0.95 g/cm³, heat capacity is 3 J/gK and Cao= 1.5 kmol/m³, what should be the inlet temperature of the first reactor? c) If AH, = -60 kJ /mol AH, = 20 kJ /mol, calculate the removal of heat from the second reactor in order to keep the second reactor at isothermal conditions (at 93°C)?
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 following first order irreversible liquid phase reaction takes place in two equal volume
(2m³ of each) CSTRS connected in series.
k1
k2
B is desired product and the reactors are operated at 93°C. The first reactor is adiabatic and
the second one is isothermal. The volumetric flow rate of feed (v.) is 0.5 m³/s and k;=k2=0.125
s' (at 93°C).
a) Calculate the concentration of A and B at the exit of the first and second reactors (CA1,
СА2, Сві, Свг).
b) If the density of the fluid is 0.95 g/cm³, heat capacity is 3 J/gK and CAo= 1.5 kmol/m³,
what should be the inlet temperature of the first reactor?
c) If AH, = -60 kJ /mol AH2 = 20 kJ/mol, calculate the removal of heat from the
second reactor in order to keep the second reactor at isothermal conditions (at 93°C)?
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