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A → B is to be carried out isothermally in a continuous-flow reactor. Calculate both the CSTR and PFR reactor volumes necessary to consume 99% of A (i.e., CA = 0.01CA0) when the entering molar flow rate is 5 mol/h, assuming the reaction rate -ra is: mol (a) -rA = k with k = 0.05 (Ans.: V = 99 dm³) %3D h dm3 (b) -ra = = 0.0001 s-! kCA with k %3D dm3 (c) -rA = kC? with k = 3 (Ans.: VcSTR = 66,000 dm³) %3D mol ·h The entering volumetric flow rate is 10 dm/h. [Note: FA= CAv. For a con- stant volumetric flow rate v = vo, then FA = CAVo. Also, CA0 = FA0/Vo= (5 mol/h)/(10 dm³/h) = 0.5 mol/dm3 .] %3D

A → B is to be carried out isothermally in a continuous-flow reactor. Calculate both the CSTR and PFR reactor volumes necessary to consume 99% of A (i.e., CA = 0.01CA0) when the entering molar flow rate is 5 mol/h, assuming the reaction rate -ra is: mol (a) -rA = k with k = 0.05 (Ans.: V = 99 dm³) %3D h dm3 (b) -ra = = 0.0001 s-! kCA with k %3D dm3 (c) -rA = kC? with k = 3 (Ans.: VcSTR = 66,000 dm³) %3D mol ·h The entering volumetric flow rate is 10 dm/h. [Note: FA= CAv. For a con- stant volumetric flow rate v = vo, then FA = CAVo. Also, CA0 = FA0/Vo= (5 mol/h)/(10 dm³/h) = 0.5 mol/dm3 .] %3D

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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The reaction A is to be carried out isothermally in a continuous-flow reactor. Calculate both the CSTR and PFR reactor volumes necessary to consume 99% of A (i.e., CA = 0.01CA0) when the entering molar flow rate is 5 mol/h, assuming the reaction rate -ra is: 1 mol (a) -ra = k with k = 0.05 (Ans.: V = 99 dm³) h· dm3 (b) -ra = 0.0001 s-1 kCA with k = dm3 (c) -TA = kC with k = 3 (Ans.: VcsTR 66,000 dm³) %3D mol ·h The entering volumetric flow rate is 10 dm/h. [Note: FA stant volumetric flow rate v = vo, then FA = CAVO. Also, CAO = FA0/vo= (5 mol/h)/(10 dm3/h) = 0.5 mol/dm3 .] CAv. For a con- %3D %D
Transcribed Image Text:The reaction A is to be carried out isothermally in a continuous-flow reactor. Calculate both the CSTR and PFR reactor volumes necessary to consume 99% of A (i.e., CA = 0.01CA0) when the entering molar flow rate is 5 mol/h, assuming the reaction rate -ra is: 1 mol (a) -ra = k with k = 0.05 (Ans.: V = 99 dm³) h· dm3 (b) -ra = 0.0001 s-1 kCA with k = dm3 (c) -TA = kC with k = 3 (Ans.: VcsTR 66,000 dm³) %3D mol ·h The entering volumetric flow rate is 10 dm/h. [Note: FA stant volumetric flow rate v = vo, then FA = CAVO. Also, CAO = FA0/vo= (5 mol/h)/(10 dm3/h) = 0.5 mol/dm3 .] CAv. For a con- %3D %D
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