a) Using Levenspiel plot, determine the total volume needed for an equal-sized CSTR-PFR in series to achieve 70% conversion b) Using Levenspiel plot, determine the volume needed for equal sized PFR-CSTR in series to achieve the same conversion c) Which set-up (a or b) would you propose? With respect to the kinetic data or reaction, explain any difference in total volume of set-up (a) and (b). d) Using a CSTR and PFR, propose a set-up and respective volumes of the reactors to minimize the total volume needed. What volumes are needed?
a) Using Levenspiel plot, determine the total volume needed for an equal-sized CSTR-PFR in series to achieve 70% conversion b) Using Levenspiel plot, determine the volume needed for equal sized PFR-CSTR in series to achieve the same conversion c) Which set-up (a or b) would you propose? With respect to the kinetic data or reaction, explain any difference in total volume of set-up (a) and (b). d) Using a CSTR and PFR, propose a set-up and respective volumes of the reactors to minimize the total volume needed. What volumes are needed?
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
a) Using Levenspiel plot, determine the total volume needed for an equal-sized CSTR-PFR in series to achieve 70% conversion
b) Using Levenspiel plot, determine the volume needed for equal sized PFR-CSTR in series to achieve the same conversion
c) Which set-up (a or b) would you propose? With respect to the kinetic data or reaction, explain any difference in total volume of set-up (a) and (b).
d) Using a CSTR and PFR, propose a set-up and respective volumes of the reactors to minimize the total volume needed. What volumes are needed?
e) Using Walas plot, determine the total volume needed to achieve 80% conversion of A from 1000 m3/hr of feed with CA0 = 0.125 M.
please use perrys chem eng handbook in answering
![A kinetic experiment was conducted for a certain reaction with shifting order. Results are tabulated below for the reactant A.
CA [M]
rA [M" h*]
0.25 0.225 0.2
0.05
0.025 0.0125
0.175
4.76
0.15
0.125
0.1
0.075
1.25 2.00 3.03
7.69
10.00
6.67
4.55
2.94
1.75
1.25
It is desired to process 1000 m/hr of feed with CAo = 0.25 M.
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Transcribed Image Text:A kinetic experiment was conducted for a certain reaction with shifting order. Results are tabulated below for the reactant A.
CA [M]
rA [M" h*]
0.25 0.225 0.2
0.05
0.025 0.0125
0.175
4.76
0.15
0.125
0.1
0.075
1.25 2.00 3.03
7.69
10.00
6.67
4.55
2.94
1.75
1.25
It is desired to process 1000 m/hr of feed with CAo = 0.25 M.
%3D
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PLEASE NOTE
VIEWThe Levenspiel plot [ 1/(rA) vs XA ]
VIEW(a) The Levenspiel plot for CSTR-PFR in series for the conversion XA=0.7
VIEW(b) The Levenspiel plot for PFR-CSTR in series for the conversion XA=0.7
VIEW(c) Proposed set up for minimum Total reactor volume for the given conversion X=0.7
VIEWDiscussion on the total reactor volume required for the given conversion
VIEWThe Excel Worksheet used for the calculations and making the Levenpiel plots
VIEW
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