4- For the irreversible gas phase reaction A— 2B The following correlation was determined from laboratory data. The initial concentration of A is 0.2 gmol/litre. 3 107 m3.s For X 0.5; =3+10(X —0.5) =14 mol The volumetric flow rate is 5 m¥s. a. Over what range of conversions are the plug-flow reactor and CSTR volumes identical? b. What conversion will be achieved in a CSTR that has a volume of 90 L? c. What plug-flow reactor volume is necessary to achieve 70% conversion? d. What CSTR reactor volume is required if effluent from the plug-flow reactor in part (c) is fed to a CSTR to raise the conversion to 90%? e. If the reaction is carried out in a constant-pressure batch reactor in which pure A is fed to the reactor, what length of time is necessary to achieve 40 % conversion? 4- For the irreversible gas phase reactionА — 2BThe following correlation was determined from laboratory data. The initial concentration of Ais 0.2 gmol/litre.10-8= 3-TAm3.sFor X < 0.5;mol10-8= 3 + 10(X – 0.5)-TAm3.sFor X > 0.5;molThe volumetric flow rate is 5 m'/s.a. Over what range of conversions are the plug-flow reactor and CSTR volumes identical?b. What conversion will be achieved in a CSTR that has a volume of 90 L?c. What plug-flow reactor volume is necessary to achieve 70% conversion?d. What CSTR reactor volume is required if effluent from the plug-flow reactor in part (c)is fed to a CSTR to raise the conversion to 90%?e. If the reaction is carried out in a constant-pressure batch reactor in which pure A is fedto the reactor, what length of time is necessary to achieve 40 % conversion?

Given: Initial concnetration of A is CAo = 0.2 gmol/liter = 200 gmol/m3 (Since 1 m3 = 1000 L)…

Answered: 4- For the irreversible gas phase…

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

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4- For the irreversible gas phase reaction A— 2B The following correlation was determined from laboratory data. The initial concentration of A is 0.2 gmol/litre. 3 107 m3.s For X 0.5; =3+10(X —0.5) =14 mol The volumetric flow rate is 5 m¥s. a. Over what range of conversions are the plug-flow reactor and CSTR volumes identical? b. What conversion will be achieved in a CSTR that has a volume of 90 L? c. What plug-flow reactor volume is necessary to achieve 70% conversion? d. What CSTR reactor volume is required if effluent from the plug-flow reactor in part (c) is fed to a CSTR to raise the conversion to 90%? e. If the reaction is carried out in a constant-pressure batch reactor in which pure A is fed to the reactor, what length of time is necessary to achieve 40 % conversion?

4- For the irreversible gas phase reaction
А — 2B
The following correlation was determined from laboratory data. The initial concentration of A
is 0.2 gmol/litre.
10-8
= 3
-TA
m3.s
For X < 0.5;
mol
10-8
= 3 + 10(X – 0.5)
-TA
m3.s
For X > 0.5;
mol
The volumetric flow rate is 5 m'/s.
a. Over what range of conversions are the plug-flow reactor and CSTR volumes identical?
b. What conversion will be achieved in a CSTR that has a volume of 90 L?
c. What plug-flow reactor volume is necessary to achieve 70% conversion?
d. What CSTR reactor volume is required if effluent from the plug-flow reactor in part (c)
is fed to a CSTR to raise the conversion to 90%?
e. If the reaction is carried out in a constant-pressure batch reactor in which pure A is fed
to the reactor, what length of time is necessary to achieve 40 % conversion?

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