In the R&D (research and development plant) the elementary gas-phase reaction of organic compound is carried out isothermally in a flow reactor as part of a preliminary reactor design step. The specific reaction rate is k = 0.004 /min at 60℃ and the activation energy is 80000J/mol. Pure A enters the reactor at 1013.25kPa and 130℃ and a molar flow rate of 3 mol/min. Calculate the reactor volume and space time (τ) to achieve 90% conversion for: A → B + 2C (a) CSTR  (b) PFR  (c) Assume that the reaction is reversible. With the value of k at 130℃ and KC = 2.5 mol/dm3 , Calculate the CSTR reactor volume.  (d) What is the significance of your solutions in a, b and c?  A ↔ B + 2C

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
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In the R&D (research and development plant) the elementary gas-phase reaction of organic
compound is carried out isothermally in a flow reactor as part of a preliminary reactor design
step. The specific reaction rate is k = 0.004 /min at 60℃ and the activation energy is
80000J/mol. Pure A enters the reactor at 1013.25kPa and 130℃ and a molar flow rate of 3
mol/min. Calculate the reactor volume and space time (τ) to achieve 90% conversion for:
A → B + 2C
(a) CSTR 
(b) PFR 
(c) Assume that the reaction is reversible. With the value of k at 130℃ and KC = 2.5
mol/dm3
, Calculate the CSTR reactor volume. 
(d) What is the significance of your solutions in a, b and c? 
A ↔ B + 2C

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