Consider a bimolecular irreversible reaction, A + B = C + D To be carried out in a liquid phase plug flow reactor. Given the reaction is second order and the mass flow of A and B are respectively 95kg/hr and 117kg/hr. The reactor has a volume of 0.02m² and is operated isothermally at 112°C giving a conversion of 55%. Can you conduct the following sub tasks: (a) From first principles show that the design equation for a plug flow reactor is: Xa dXA (-ra) FAO Where, V, = Volume of reactor, m² FAo = Initial flow of A, XA = Conversion of A (-Ta) = Reaction rate, kmol/hr (b) Calculate the molar feed rates of A and B and the magnitude of the term kCAo?. The relative molecular masses of A and B are 139 and 172. (c) If a continuous stirred tank reactor of the same content volume is installed in series upstream of the plug flow reactor, what is the new overall conversion? All other parameters being unchanged.
Consider a bimolecular irreversible reaction, A + B = C + D To be carried out in a liquid phase plug flow reactor. Given the reaction is second order and the mass flow of A and B are respectively 95kg/hr and 117kg/hr. The reactor has a volume of 0.02m² and is operated isothermally at 112°C giving a conversion of 55%. Can you conduct the following sub tasks: (a) From first principles show that the design equation for a plug flow reactor is: Xa dXA (-ra) FAO Where, V, = Volume of reactor, m² FAo = Initial flow of A, XA = Conversion of A (-Ta) = Reaction rate, kmol/hr (b) Calculate the molar feed rates of A and B and the magnitude of the term kCAo?. The relative molecular masses of A and B are 139 and 172. (c) If a continuous stirred tank reactor of the same content volume is installed in series upstream of the plug flow reactor, what is the new overall conversion? All other parameters being unchanged.
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:Consider a bimolecular irreversible reaction,
A + B = C + D
To be carried out in a liquid phase plug flow reactor. Given the reaction is second order and
the mass flow of A and B are respectively 95kg/hr and 117kg/hr. The reactor has a volume
of 0.02m² and is operated isothermally at 112°C giving a conversion of 55%. Can you
conduct the following sub tasks:
(a) From first principles show that the design equation for a plug flow
reactor is:
Xa dXA
FAO
J (-ra)
Where,
V, = Volume of reactor, m?
FAo = Initial flow of A,
XA = Conversion of A
(-Ta) = Reaction rate, kmol/hr
(b) Calculate the molar feed rates of A and B and the magnitude of the
term kCao?. The relative molecular masses of A and B are 139 and 172.
(c) If a continuous stirred tank reactor of the same content volume is
installed in series upstream of the plug flow reactor, what is the new
overall conversion? All other parameters being unchanged.
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