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Set up a stoichiometric table for each of the following reactions and express the concentration of each species in the reaction as a function of conversion, evaluating all constants (e.g., e, O). Next, assume the reaction follows an elementary rate law, and write the reaction rate solely as a function of conversion, i.e., -TA = f(X). (a) For the liquid-phase reaction CH,-OH H2SO4 CH,-CH, + H,0 CH,-OH the entering concentrations of ethylene oxide and water, after mixing the inlet streams, are 16.13 mol/dm' and 55.5 mol/dm', respectively. The specific reaction rate is k = 0.1 dm/mol-s at 300 K with E= 12,500 cal/mol. (1) After finding -A = f(X), calculate the CSTR space-time, t, for 90% conversion at 300 K and also at 350 K. (2) If the volumetric flow rate is 200 liters per second, what are the corresponding reactor volumes? (Ans.: At 300 K: V = 439 dm and at 350 K: V = 22 dm)

Set up a stoichiometric table for each of the following reactions and express the concentration of each species in the reaction as a function of conversion, evaluating all constants (e.g., e, O). Next, assume the reaction follows an elementary rate law, and write the reaction rate solely as a function of conversion, i.e., -TA = f(X). (a) For the liquid-phase reaction CH,-OH H2SO4 CH,-CH, + H,0 CH,-OH the entering concentrations of ethylene oxide and water, after mixing the inlet streams, are 16.13 mol/dm' and 55.5 mol/dm', respectively. The specific reaction rate is k = 0.1 dm/mol-s at 300 K with E= 12,500 cal/mol. (1) After finding -A = f(X), calculate the CSTR space-time, t, for 90% conversion at 300 K and also at 350 K. (2) If the volumetric flow rate is 200 liters per second, what are the corresponding reactor volumes? (Ans.: At 300 K: V = 439 dm and at 350 K: V = 22 dm)

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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(g) What is the rate of reaction at X = 0.5? A Set up a stoichiometric table for each of the following reactions and express the concentration of each species in the reaction as a function of conversion, evaluating all constants (e.g., ɛ, e). Next, assume the reaction follows an elementary rate law, and write the reaction rate solely as a function of conversion, i.e., -TA = f(X). (a) For the liquid-phase reaction CH,-OH H2SO4 CH,-CH, + H,O CH,-OH the entering concentrations of ethylene oxide and water, after mixing the inlet streams, are 16.13 mol/dm and 55.5 mol/dm', respectively. The specific reaction rate is k = 0.1 dm/mol·s at 300 K with E = 12,500 cal/mol. (1) After finding -A = f(X), calculate the CSTR space-time, t, for 90% conversion at 300 K and also at 350 K. (2) If the volumetric flow rate is 200 liters per second, what are the corresponding reactor volumes? (Ans.: At 300 K: V = 439 dm³ and at 350 K: V = 22 dm)
Transcribed Image Text:(g) What is the rate of reaction at X = 0.5? A Set up a stoichiometric table for each of the following reactions and express the concentration of each species in the reaction as a function of conversion, evaluating all constants (e.g., ɛ, e). Next, assume the reaction follows an elementary rate law, and write the reaction rate solely as a function of conversion, i.e., -TA = f(X). (a) For the liquid-phase reaction CH,-OH H2SO4 CH,-CH, + H,O CH,-OH the entering concentrations of ethylene oxide and water, after mixing the inlet streams, are 16.13 mol/dm and 55.5 mol/dm', respectively. The specific reaction rate is k = 0.1 dm/mol·s at 300 K with E = 12,500 cal/mol. (1) After finding -A = f(X), calculate the CSTR space-time, t, for 90% conversion at 300 K and also at 350 K. (2) If the volumetric flow rate is 200 liters per second, what are the corresponding reactor volumes? (Ans.: At 300 K: V = 439 dm³ and at 350 K: V = 22 dm)
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