A → B is to be carried out isothermally in a continuous-flow reactor. The entering volumetric flow rate vo is 10 dm/h. (Note: FA = C,v. For a constant volumetric flow rate v=v, then F= C,v· Also, CA0 = FA/vo = ([5 mol/h/[10 dm³/h]) 0.5 mol/dm³.) Calculate both the CSTR and PFR reactor volumes necessary to consume 99% of A (ie., C, = 0.01C0) when the entering molar flow rate is 5 mol/h, assuming the reaction rate -r, is %3D mol h-dm³ (a) -ra = k with k = 0.05 [Ans.: Vestr = 99 dm³] (b) -ra = kCa with k = 0.0001 s-! dm3 (c) -ra = kC with k = 300 [Ans.: VesTR = 660 dm²] mol:h
A → B is to be carried out isothermally in a continuous-flow reactor. The entering volumetric flow rate vo is 10 dm/h. (Note: FA = C,v. For a constant volumetric flow rate v=v, then F= C,v· Also, CA0 = FA/vo = ([5 mol/h/[10 dm³/h]) 0.5 mol/dm³.) Calculate both the CSTR and PFR reactor volumes necessary to consume 99% of A (ie., C, = 0.01C0) when the entering molar flow rate is 5 mol/h, assuming the reaction rate -r, is %3D mol h-dm³ (a) -ra = k with k = 0.05 [Ans.: Vestr = 99 dm³] (b) -ra = kCa with k = 0.0001 s-! dm3 (c) -ra = kC with k = 300 [Ans.: VesTR = 660 dm²] mol:h
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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Question
![There is heavier traffic in the L.A. basin in the mornings and in the evenings as workers go to and
from work in downtown L.A. Consequently, the flow of CO into the L.A. basin might be better repre-
sented by the sine function over a 24-hour period.
P1-5, The reaction
A → B
is to be carried out isothermally in a continuous-flow reactor. The entering volumetric flow rate vo is 10
dm/h. (Note: FA = C,v. For a constant volumetric flow rate v=v,, then FA = C,vo. Also,
CAo = FA/vo = ([5 mol/h\/[10 dm³/h]) 0.5 mol/dm³.)
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.: VesTR = 99 dm³]
h-dm3
(b) -ra = kCA with k = 0.0001 s-!
dm3
(c) -ra = kC with k = 300
mol ·h
[Ans.: VesTr = 660 dm³]
(d) Repeat (a), (b), and/or (c) to calculate the time necessary to consume 99.9% of species A in a
1000 dm³ constant-volume batch reactor with CA0 = 0.5 mol/dm³.
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa05b7aeb-f1b4-42ea-bc10-40277663e556%2Fd563a3e9-aeb2-4989-9354-a3df4e3e16f9%2Fi6xztf_processed.png&w=3840&q=75)
Transcribed Image Text:There is heavier traffic in the L.A. basin in the mornings and in the evenings as workers go to and
from work in downtown L.A. Consequently, the flow of CO into the L.A. basin might be better repre-
sented by the sine function over a 24-hour period.
P1-5, The reaction
A → B
is to be carried out isothermally in a continuous-flow reactor. The entering volumetric flow rate vo is 10
dm/h. (Note: FA = C,v. For a constant volumetric flow rate v=v,, then FA = C,vo. Also,
CAo = FA/vo = ([5 mol/h\/[10 dm³/h]) 0.5 mol/dm³.)
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.: VesTR = 99 dm³]
h-dm3
(b) -ra = kCA with k = 0.0001 s-!
dm3
(c) -ra = kC with k = 300
mol ·h
[Ans.: VesTr = 660 dm³]
(d) Repeat (a), (b), and/or (c) to calculate the time necessary to consume 99.9% of species A in a
1000 dm³ constant-volume batch reactor with CA0 = 0.5 mol/dm³.
%3D
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