The reaction AB Is to be carried out isothermally in Continous-flow reactor (can be CSTR PFR or PBR). The entering volumetric flow rate vo is 10 dm³/h. Note that FA = CA. V. For a constant volumetric flow rate v=Vo, then FA = CA. Vo. Also CAo = FA/ Vo = (5 mol/h)/(10 dm³/h) = 0.5 mol/dm³. %3D Calculate both CSTR and PFR reactor volumes necessary to consume 99% of A (CA = 0.01CA0) when the %3D entering molar flow rate (FAo) is 5 mol/h, assuming the reaction rate is -TA is: a) -TA = k b) –TA = k. CA with k= 0.05 mol/h.dm3 with k= 0.0001 s1 c) -TA = k. CA? with k= 0.03 dm³/mol.h d) Repeat a), b), and c) to calculate the time necessary to consume 99.9% of species A in a 1000 dm3 constant volume batch reactor with CAO = 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
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TUTORIAL 01 – MOLE BALANCES – BATCH, PFR & CSTR REACTORS
|
The reaction
A>B
Is to be carried out isothermally in Continous-flow reactor (can be CSTR PFR or PBR). The entering
volumetric flow rate vo is 10 dm3/h. Note that FA = CA. V. For a constant volumetric flow rate v= Vo, then
FA = CA. Vo.
Also CAo = FA/ Vo = (5 mol/h)/(10 dm3/h) = 0.5 mol/dm3.
Calculate both CSTR and PFR reactor volumes necessary to consume 99% of A (CA = 0.01CAO) when the
entering molar flow rate (FAo) is 5 mol/h, assuming the reaction rate is -ra is:
a) -TA = k
with k= 0.05 mol/h.dm3
b) -TA = k. CA
with k= 0.0001 s1
c) -TA = k. CA?
with k= 0.03 dm3/mol.h
d) Repeat a), b), and c) to calculate the time necessary to consume 99.9% of species A in a 1000 dm3
constant volume batch reactor with CAO = 0.5 mol/dm3.
Reactor
Picture
Comment
Differential
Algebraic
Integral
No spatial
variations
dN
= r,V
dt
A
Batch
=
r,V
dN
= AV
dt
N40
Transcribed Image Text:TUTORIAL 01 – MOLE BALANCES – BATCH, PFR & CSTR REACTORS | The reaction A>B Is to be carried out isothermally in Continous-flow reactor (can be CSTR PFR or PBR). The entering volumetric flow rate vo is 10 dm3/h. Note that FA = CA. V. For a constant volumetric flow rate v= Vo, then FA = CA. Vo. Also CAo = FA/ Vo = (5 mol/h)/(10 dm3/h) = 0.5 mol/dm3. Calculate both CSTR and PFR reactor volumes necessary to consume 99% of A (CA = 0.01CAO) when the entering molar flow rate (FAo) is 5 mol/h, assuming the reaction rate is -ra is: a) -TA = k with k= 0.05 mol/h.dm3 b) -TA = k. CA with k= 0.0001 s1 c) -TA = k. CA? with k= 0.03 dm3/mol.h d) Repeat a), b), and c) to calculate the time necessary to consume 99.9% of species A in a 1000 dm3 constant volume batch reactor with CAO = 0.5 mol/dm3. Reactor Picture Comment Differential Algebraic Integral No spatial variations dN = r,V dt A Batch = r,V dN = AV dt N40
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