The inlet concentration (containing pure A) to the reactor is 2 mol/L and the volumetric flow rate is 6.0 L/min. (i) (ii) Calculate the rate law for this reaction (including rate constant and reaction order) [Hint: in a CSTR, dC₁/dt = (C₁ - CAD)/At] What volume CSTR would be required to achieve a 70 % conversion of A?
The inlet concentration (containing pure A) to the reactor is 2 mol/L and the volumetric flow rate is 6.0 L/min. (i) (ii) Calculate the rate law for this reaction (including rate constant and reaction order) [Hint: in a CSTR, dC₁/dt = (C₁ - CAD)/At] What volume CSTR would be required to achieve a 70 % conversion of A?
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
![You are designing a reactor for a process that has the following decomposition reaction:
A →D + 2F
The rate law for this reaction is unknown and must be determined by an experiment. Since the reaction
takes place in the liquid phase, you choose to build a CSTR reactor. You allow the reactor to fill to a
certain volume, V, and then adjust the inlet and outlet volumetric flow rates to equal values, vo, to allow
the system to reach steady state. Once the system is at steady state you measure the outlet concentration,
CA. The residence time (t = V/v.) is increased by turning off the outlet flow, which allows the volume to
increase, then setting the outlet flow to its original value and waiting until steady state is reached. You
measure the concentration again and repeat this procedure multiple times to obtain the following table.
Measurement
1
2
(ii)
234 in
3
5
Residence Time
(min)
15.0
38.0
100
300
1200
Concentration
(mol/L)
1.50
1.25
1.00
0.75
0.50
The inlet concentration (containing pure A) to the reactor is 2 mol/L and the volumetric flow rate is 6.0
L/min.
(i)
Calculate the rate law for this reaction (including rate constant and reaction order)
[Hint: in a CSTR, dC₁/dt = (CA - CAo)/At]
What volume CSTR would be required to achieve a 70% conversion of A?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9b020904-503e-46f0-a83a-8c74ba785f01%2Fc1d03f48-d5a1-4f7c-874a-922ca1192743%2Fspg3gb_processed.png&w=3840&q=75)
Transcribed Image Text:You are designing a reactor for a process that has the following decomposition reaction:
A →D + 2F
The rate law for this reaction is unknown and must be determined by an experiment. Since the reaction
takes place in the liquid phase, you choose to build a CSTR reactor. You allow the reactor to fill to a
certain volume, V, and then adjust the inlet and outlet volumetric flow rates to equal values, vo, to allow
the system to reach steady state. Once the system is at steady state you measure the outlet concentration,
CA. The residence time (t = V/v.) is increased by turning off the outlet flow, which allows the volume to
increase, then setting the outlet flow to its original value and waiting until steady state is reached. You
measure the concentration again and repeat this procedure multiple times to obtain the following table.
Measurement
1
2
(ii)
234 in
3
5
Residence Time
(min)
15.0
38.0
100
300
1200
Concentration
(mol/L)
1.50
1.25
1.00
0.75
0.50
The inlet concentration (containing pure A) to the reactor is 2 mol/L and the volumetric flow rate is 6.0
L/min.
(i)
Calculate the rate law for this reaction (including rate constant and reaction order)
[Hint: in a CSTR, dC₁/dt = (CA - CAo)/At]
What volume CSTR would be required to achieve a 70% conversion of A?
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