The reaction 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 -r, is: mol (a) -ra = k with k = 0.05 (Ans.: V = 99 dm³) h dm3 (b) -rA = kC, with k = 0.0001 s- dm3 (c) -TA = kC with k = 3 (Ans.: VesTR = 66,000 dm³) %3D %3D mol ·h The entering volumetric flow rate is 10 dm/h. [Note: FA = Cv. For a con- stant volumetric flow rate v = vo, then FA = CAvo. Also, CA0 (5 mol/h)/(10 dm/h) = 0.5 mol/dm3.]
The reaction 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 -r, is: mol (a) -ra = k with k = 0.05 (Ans.: V = 99 dm³) h dm3 (b) -rA = kC, with k = 0.0001 s- dm3 (c) -TA = kC with k = 3 (Ans.: VesTR = 66,000 dm³) %3D %3D mol ·h The entering volumetric flow rate is 10 dm/h. [Note: FA = Cv. For a con- stant volumetric flow rate v = vo, then FA = CAvo. Also, CA0 (5 mol/h)/(10 dm/h) = 0.5 mol/dm3.]
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
Related questions
Question
![Tut 1.pdf
P1-13
PBR
Characteris phases
tics
Use
Advantage
Disadvantage
Gas phase
with solid
catalyst or
gas-solid
reactions
>High conversion
>Undesired
thermal gradient
>Poor temp cont
>Expensive
shutdown and
Tubular
>Use in
reactor that
packed with
catalyst
particles
heterogeneous unit vol
reactions with
catalyst and
Fischer tropsch cost
>Easy to maintain
>Low operation
synthesis
Continuous
cleaning
operation
P1-15(Fogler)
The reaction
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
TA is:
mol
(a) -r, = k
with k = 0.05
(Ans.: V = 99 dm³)
h dm3
(b) -r = kC, with k = 0.0001 s-1
dm3
(c) -ra = kC with k = 3
(Ans.: VesTR = 66,000 dm)
mol ·h
The entering volumetric flow rate is 10 dm/h. [Note: F = Cv. For a con-
stant volumetric flow rate v = vo, then FA = CAVO . Also, CA0 = FA0/v, =
(5 mol/h)/(10 dm³/h) = 0.5 mol/dm3 .]
P15a (CSTR)
- A = k,
k = 0.05 mol/dm’h
F40 - FA
CSTR : V =
01C A0
sdm/h
F.o = 5mol/h](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fccd54ead-559f-4991-9a5d-4dcfe3be5f4c%2Feb1041f8-a348-40b3-87c3-a4cbf9793f4c%2Fg2lsd5m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Tut 1.pdf
P1-13
PBR
Characteris phases
tics
Use
Advantage
Disadvantage
Gas phase
with solid
catalyst or
gas-solid
reactions
>High conversion
>Undesired
thermal gradient
>Poor temp cont
>Expensive
shutdown and
Tubular
>Use in
reactor that
packed with
catalyst
particles
heterogeneous unit vol
reactions with
catalyst and
Fischer tropsch cost
>Easy to maintain
>Low operation
synthesis
Continuous
cleaning
operation
P1-15(Fogler)
The reaction
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
TA is:
mol
(a) -r, = k
with k = 0.05
(Ans.: V = 99 dm³)
h dm3
(b) -r = kC, with k = 0.0001 s-1
dm3
(c) -ra = kC with k = 3
(Ans.: VesTR = 66,000 dm)
mol ·h
The entering volumetric flow rate is 10 dm/h. [Note: F = Cv. For a con-
stant volumetric flow rate v = vo, then FA = CAVO . Also, CA0 = FA0/v, =
(5 mol/h)/(10 dm³/h) = 0.5 mol/dm3 .]
P15a (CSTR)
- A = k,
k = 0.05 mol/dm’h
F40 - FA
CSTR : V =
01C A0
sdm/h
F.o = 5mol/h
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