In a reversible reaction, normal butane (n-B) is to be isomerized to isobutane (i-B) in a CSTR. The reaction is to be carried out adiabatically in the liquid phase under high pressure using essentially trace amounts of liquid catalyst which gives a specific reaction rate of 31.1 h' at 360K. A feed mixture of 90 mol% n-butane and 10 mol% i- pentane (i-P), which is considered an inert enters the reactor at 163 kmol/h. The temperature of the feed is 330K and 40% conversion is intended. Additional information: AHx =-6900 J/mol n-butane K. = 3.03 at 60 °C Cpn-B =141 J/mol.K Ср-в 3141 J/mo1.К Activation energy = 65.7 kJ/mol Cn-B = 9.3 kmol/m³ Cpi,p =161 J/mol.K (a) Calculate the reactor temperature. (b) Calculate the value of k and K.. (c) Calculate the reactor volume.

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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Q4.
In a reversible reaction, normal butane (n-B) is to be isomerized to isobutane (i-B) in
a CSTR. The reaction is to be carried out adiabatically in the liquid phase under high
pressure using essentially trace amounts of liquid catalyst which gives a specific
reaction rate of 31.1 h at 360K. A feed mixture of 90 mol% n-butane and 10 mol% i-
pentane (i-P), which is considered an inert enters the reactor at 163 kmol/h. The
temperature of the feed is 330K and 40% conversion is intended.
Additional information:
AH =-6900 J/mol n-butane
K. = 3.03 at 60 °C
CPn-B =141 J/mol.K
Срьв 3D141 J/mol.К
Activation energy = 65.7 kJ/mol
Cn-B = 9.3 kmol/m³
Cpi.p =161 J/mol.K
(a
Calculate the reactor temperature.
(b)
Calculate the value of k and K..
(c)
Calculate the reactor volume.
Transcribed Image Text:Q4. In a reversible reaction, normal butane (n-B) is to be isomerized to isobutane (i-B) in a CSTR. The reaction is to be carried out adiabatically in the liquid phase under high pressure using essentially trace amounts of liquid catalyst which gives a specific reaction rate of 31.1 h at 360K. A feed mixture of 90 mol% n-butane and 10 mol% i- pentane (i-P), which is considered an inert enters the reactor at 163 kmol/h. The temperature of the feed is 330K and 40% conversion is intended. Additional information: AH =-6900 J/mol n-butane K. = 3.03 at 60 °C CPn-B =141 J/mol.K Срьв 3D141 J/mol.К Activation energy = 65.7 kJ/mol Cn-B = 9.3 kmol/m³ Cpi.p =161 J/mol.K (a Calculate the reactor temperature. (b) Calculate the value of k and K.. (c) Calculate the reactor volume.
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