27.- In an adiabatic plug flow reactor the gas phase reaction A + B →R + S is carried out at an absolute pressure of 2 atm. The kinetics of the reaction is given by -ra = kpapPB, where k(100ºC) = 0.05 and k(500°C) = 50 (both in mol/(L·h-atm²)). The reaction enthalpy can be considered constant in the range of working temperatures with a value of AH = 41.8 kJ/mol A. The reactor is fed with 5 kg/h of an equimolar mixture of A and B at 250°C and a conversion of 35% is desired. Calculate the volume of the reactor needed. Data: Cp reactant mixture = 1.5 cal/(g.°C) (assumed constant) MW reactant mixture = 40 g/mole
27.- In an adiabatic plug flow reactor the gas phase reaction A + B →R + S is carried out at an absolute pressure of 2 atm. The kinetics of the reaction is given by -ra = kpapPB, where k(100ºC) = 0.05 and k(500°C) = 50 (both in mol/(L·h-atm²)). The reaction enthalpy can be considered constant in the range of working temperatures with a value of AH = 41.8 kJ/mol A. The reactor is fed with 5 kg/h of an equimolar mixture of A and B at 250°C and a conversion of 35% is desired. Calculate the volume of the reactor needed. Data: Cp reactant mixture = 1.5 cal/(g.°C) (assumed constant) MW reactant mixture = 40 g/mole
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:27.- In an adiabatic plug flow reactor the gas phase reaction A + B →R + S is carried out at an
absolute pressure of 2 atm. The kinetics of the reaction is given by -ra = kpapB, where k(100°C)
= 0.05 and k(500°C) = 50 (both in mol/(L-h- atm?)). The reaction enthalpy can be considered
constant in the range of working temperatures with a value of AH = 41.8 kJ/mol A. The
reactor is fed with 5 kg/h of an equimolar mixture of A and B at 250°C and a conversion of
35% is desired. Calculate the volume of the reactor needed.
Data:
Cp reactant mixture = 1.5 cal/(g.°C)
MW
(assumed constant)
40 g/mole
reactant mixture =
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