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Q7/ An exothermic reaction, A 2B, takes place adiabatically in a stirred-tank reactor. This liquid reaction occurs at constant volume in a 1000-gal reactor. The reaction can be considered to be second-order and irreversible with the rate constant given by k 2.4 x 1015e0.00 (min ) where T is in R. (a) Using the information below, derive a transfer function relating the exit temperature T to the inlet concentration CA. State all assumptions that you make. (b) How sensitive is the transfer function gain K to the operating conditions? Find an expression for the gain in terms of, , and, and evaluate the sensitivities (aKa, (aKa, and (@Ka). Available Information (1) Nominal steady-state conditions are = 150 F,= 0.8 mol/ft', = 20 gal/min = flow in and out of the reactor (i) Physical property data for the mixture at the nominal steady state: C=0.8 Btu/(1b F), p 52 lb/ft',-AH, 500 Kj/mol

Q7/ An exothermic reaction, A 2B, takes place adiabatically in a stirred-tank reactor. This liquid reaction occurs at constant volume in a 1000-gal reactor. The reaction can be considered to be second-order and irreversible with the rate constant given by k 2.4 x 1015e0.00 (min ) where T is in R. (a) Using the information below, derive a transfer function relating the exit temperature T to the inlet concentration CA. State all assumptions that you make. (b) How sensitive is the transfer function gain K to the operating conditions? Find an expression for the gain in terms of, , and, and evaluate the sensitivities (aKa, (aKa, and (@Ka). Available Information (1) Nominal steady-state conditions are = 150 F,= 0.8 mol/ft', = 20 gal/min = flow in and out of the reactor (i) Physical property data for the mixture at the nominal steady state: C=0.8 Btu/(1b F), p 52 lb/ft',-AH, 500 Kj/mol

Introduction to Chemical Engineering Thermodynamics
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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Q7/ An exothermic reaction, A 2B, takes place adiabatically in a stirred-tank reactor. This liquid reaction occurs at constant volume in a 1000-gal reactor. The reaction can be considered to be second-order and irreversible with the rate constant given by k = 2.4 x 1015e20.000(min-) where Tis in R. (a) Using the information below, derive a transfer function relating the exit temperature T to the inlet concentration CA. State all assumptions that you make. (b) How sensitive is the transfer function gain K to the operating conditions? Find an expression for the gain in terms of, , and, and evaluate the sensitivities (aKa, (aKa, and (aK/a). Available Information (1) Nominal steady-state conditions are = 150 F,= 0.8 mol/ft', 20 gal/min = flow in and out of the reactor (ii) Physical property data for the mixture at the nominal steady state: C= 0.8 Btu/(1b F), p= 52 lb/ft', -AH, = 500 Kj/mol
Transcribed Image Text:Q7/ An exothermic reaction, A 2B, takes place adiabatically in a stirred-tank reactor. This liquid reaction occurs at constant volume in a 1000-gal reactor. The reaction can be considered to be second-order and irreversible with the rate constant given by k = 2.4 x 1015e20.000(min-) where Tis in R. (a) Using the information below, derive a transfer function relating the exit temperature T to the inlet concentration CA. State all assumptions that you make. (b) How sensitive is the transfer function gain K to the operating conditions? Find an expression for the gain in terms of, , and, and evaluate the sensitivities (aKa, (aKa, and (aK/a). Available Information (1) Nominal steady-state conditions are = 150 F,= 0.8 mol/ft', 20 gal/min = flow in and out of the reactor (ii) Physical property data for the mixture at the nominal steady state: C= 0.8 Btu/(1b F), p= 52 lb/ft', -AH, = 500 Kj/mol
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