Look at the process flow diagram below. Two stream of component A are mixed before entering a continuous stirred tank heater. The heated steam enters a catalytic bed reactor where it is converted to components B and C. The reaction is endothermic, so the product mixture leaves the system at a slightly lower temperature. All the flow rates given are volumetric (m³/s) and where necessary flow rates may be assumed proportional to the corresponding hydrostatic liquid pressures. The heat of mixing may be ignored. F2, CA2, T1 F1, CA1, T1 F4, CA3, T2 h2 h1 Fз, САЗ, Т1 Mixer Fsteam Fcondensate, F4, CA4, CB4, T3 Tcondensate AB Continuous Stirred Tank Heater 2.1 Write down all the equations needed (mass, component and energy) and assumptions made to develop a mathematical model for this process. Write the equations for each tank separately. (35) 2.2 Calculate the degrees of freedom for the process (indicate all the variables, constants and equations) Catalytic bed reactor

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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Look at the process flow diagram below. Two stream of component A are mixed before
entering a continuous stirred tank heater. The heated steam enters a catalytic bed reactor where
it is converted to components B and C. The reaction is endothermic, so the product mixture
leaves the system at a slightly lower temperature. All the flow rates given are volumetric (m/s)
and where necessary flow rates may be assumed proportional to the corresponding hydrostatic
liquid pressures.
The heat of mixing may be ignored.
F2, CA2, T1
F1, CA1, T1
F4, САЗ, Т2
h2
Fз, САЗ, Т1
Mixer
Fsteam
Fcondensate,
F4, CA4, CB4, T3
Tcondensate
A→B
Continuous Stirred
Tank Heater
2.1 Write down all the equations needed (mass, component and energy) and assumptions made
to develop a mathematical model for this process.
Write the equations for each tank separately.
(35)
2.2 Calculate the degrees of freedom for the process (indicate all the variables, constants and
equations)
(5)
Catalytic bed
reactor
Transcribed Image Text:Look at the process flow diagram below. Two stream of component A are mixed before entering a continuous stirred tank heater. The heated steam enters a catalytic bed reactor where it is converted to components B and C. The reaction is endothermic, so the product mixture leaves the system at a slightly lower temperature. All the flow rates given are volumetric (m/s) and where necessary flow rates may be assumed proportional to the corresponding hydrostatic liquid pressures. The heat of mixing may be ignored. F2, CA2, T1 F1, CA1, T1 F4, САЗ, Т2 h2 Fз, САЗ, Т1 Mixer Fsteam Fcondensate, F4, CA4, CB4, T3 Tcondensate A→B Continuous Stirred Tank Heater 2.1 Write down all the equations needed (mass, component and energy) and assumptions made to develop a mathematical model for this process. Write the equations for each tank separately. (35) 2.2 Calculate the degrees of freedom for the process (indicate all the variables, constants and equations) (5) Catalytic bed reactor
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