Question 2 A liquid phase reaction of stoichiometry A +B -> C Is to be carried out in two CSTRS operated adiabatically in series. The reactant A is in large excess and (-r.) = kC, so that the reaction is pseudo-first order. The following data apply: Reactor volume = 0.8 m' Volumetric flow rate (Vo) = 1.1 × 10'³m's* Heat capacity of liquid mixture (C,) = 3.47 × 10° kJ m³ K* Initial concentration B (Ceo) = 5.6 kmol m³ Feed stream temp = 70 °C Heat of reaction = -69×10° kJ kmol* k (106 °C) = 0.93 × 10° s* k (117 °C) = 2.79 x 10° s* R = 8.31 J mol*K* Calculate the conversion and corresponding temperature for each reactor le. Xgg and T, and Xg2 and T;
Question 2 A liquid phase reaction of stoichiometry A +B -> C Is to be carried out in two CSTRS operated adiabatically in series. The reactant A is in large excess and (-r.) = kC, so that the reaction is pseudo-first order. The following data apply: Reactor volume = 0.8 m' Volumetric flow rate (Vo) = 1.1 × 10'³m's* Heat capacity of liquid mixture (C,) = 3.47 × 10° kJ m³ K* Initial concentration B (Ceo) = 5.6 kmol m³ Feed stream temp = 70 °C Heat of reaction = -69×10° kJ kmol* k (106 °C) = 0.93 × 10° s* k (117 °C) = 2.79 x 10° s* R = 8.31 J mol*K* Calculate the conversion and corresponding temperature for each reactor le. Xgg and T, and Xg2 and T;
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:Question 2
A liquid phase reaction of stoichiometry
A+B-> C
Is to be carried out in two CSTRS operated adiabatically in series.
The reactant A is in large excess and (-rg) = kCg so that the reaction is pseudo-first order.
The following data apply:
Reactor volume = 0.8 m
Volumetric flow rate (Uo) = 1.1 x 10* m's*
Heat capacity of liquid mixture (C,) = 3.47 × 10° kJ m³ K*
Initial concentration B (Cao) = 5.6 kmol m3
Feed stream temp = 70 °C
Heat of reaction = -69×10 kJ kmolľ
k (106 °C) = 0.93 × 10* s*
k (117 °C) = 2.79 x 10 s*
R = 8.31 J mol*K
Calculate the conversion and corresponding temperature for each reactor le. Xg, and T, and Xg2 and T;
Hint
Calculate A and E for the Arrhenius Equation k = Ae AT before you derive expressions for X, from
i) The heat balance and
ii) The material balance.
A trial and error solution for each tank will be essential.
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