The liquid exothermic reaction A → P is a first order reaction. The reaction takes place in a PFR, with an overall heat transfer coefficient of 400 w/m2.k. The cooling water in the jacket of the PFR needs to remove 800 KW to allow the reaction to proceed as recommended. The density of the mixture is 12 kg/m³ and the viscosity is 0.0003 kg/m.s. The inlet process stream has a temperature of 60 °C and exits at 120 °C and an overall conversion of X = 0.6. The following data are given: k = 0.008 @T= 80 °C k = 0.1 @ T = 100 °C k = 0.15 @ T = 120 °C Design your PFR such that the design heuristics are met. Make sure that the heat transfer design is also valid (specify the utility and its operating conditions.) Note that a cooling tower is used for recirculation. Write all your assumptions. Show how all the heuristics are met.
The liquid exothermic reaction A → P is a first order reaction. The reaction takes place in a PFR, with an overall heat transfer coefficient of 400 w/m2.k. The cooling water in the jacket of the PFR needs to remove 800 KW to allow the reaction to proceed as recommended. The density of the mixture is 12 kg/m³ and the viscosity is 0.0003 kg/m.s. The inlet process stream has a temperature of 60 °C and exits at 120 °C and an overall conversion of X = 0.6. The following data are given: k = 0.008 @T= 80 °C k = 0.1 @ T = 100 °C k = 0.15 @ T = 120 °C Design your PFR such that the design heuristics are met. Make sure that the heat transfer design is also valid (specify the utility and its operating conditions.) Note that a cooling tower is used for recirculation. Write all your assumptions. Show how all the heuristics are met.
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:The liquid exothermic reaction A → P is a first order reaction. The reaction takes place in a PFR,
with an overall heat transfer coefficient of 400 w/m2.k. The cooling water in the jacket of the PFR
needs to remove 800 KW to allow the reaction to proceed as recommended.
The density of the mixture is 12 kg/m³ and the viscosity is 0.0003 kg/m.s.
The inlet process stream has a temperature of 60 °C and exits at 120 °C and an overall conversion of
X = 0.6. The following data are given:
k = 0.008 @T= 80 °C
k = 0.1 @ T = 100 °C
k = 0.15 @ T = 120 °C
Design your PFR such that the design heuristics are met. Make sure that the heat transfer design is
also valid (specify the utility and its operating conditions.) Note that a cooling tower is used for
recirculation.
Write all your assumptions.
Show how all the heuristics are met.
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