2A → B+C is carried out in the flow reactor under isothermal and isobaric condition. The specific reaction rate at 325 K is 10 min and the activation energy is 95 kJ/mol. Pure A enters the reactor at 10 atm and 500 K and a molar flow rate of 50 mol/min. Calculate the reactor volume to achieve 60% conversion in a Plug Flow Reactor (PFR). (a) If a CSTR is placed after the PFR to increase the conversion to 80%, as shown in Figure Q1(b), calculate the Continuous Stirred Tank Reactor (CSTR) volume for the reactors system. (b)
2A → B+C is carried out in the flow reactor under isothermal and isobaric condition. The specific reaction rate at 325 K is 10 min and the activation energy is 95 kJ/mol. Pure A enters the reactor at 10 atm and 500 K and a molar flow rate of 50 mol/min. Calculate the reactor volume to achieve 60% conversion in a Plug Flow Reactor (PFR). (a) If a CSTR is placed after the PFR to increase the conversion to 80%, as shown in Figure Q1(b), calculate the Continuous Stirred Tank Reactor (CSTR) volume for the reactors system. (b)
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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Transcribed Image Text:An elementary gas phase reaction below
2A > В + С
is carried out in the flow reactor under isothermal and isobaric condition. The
specific reaction rate at 325 K is 104 min' and the activation energy is 95
kJ/mol. Pure A enters the reactor at 10 atm and 500 K and a molar flow rate of
50 mol/min.
Calculate the reactor volume to achieve 60% conversion in a Plug Flow Reactor
(PFR).
(a)
(b)
If a CSTR is placed after the PFR to increase the conversion to 80%, as shown
in Figure Q1(b), calculate the Continuous Stirred Tank Reactor (CSTR) volume
for the reactors system.
FA1
FA2
V2
i = 2
X2
FAO
|= 1
Figure Q1(b) Reactors in series
If the reaction is conducted in a single PFR to achieve 80% conversion, identify
whether the reactor has larger or smaller volume compared to the total reactors
volume obtained in part Q1(b). Justify your answer.
(c)
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