irreversible homogeneous reaction
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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![In the system (as shown in Figure 1), gas A dissolves into liquid B and
diffuses into the liquid phase. During diffusion, A reacts with B to form AB.
The reaction is an irreversible homogeneous reaction of order 1.
k!!!
A+BAB Where: - RA= k₁"CA
If S is the cross-sectional area of the column, derive:
(a). Profile the concentration of A in the liquid, and prove that:
CA
Cosh b₁[1-(7)]
KL²
=
Where: ₁
CAO
Cosh b₁
DAB
(b). The average concentration of A in the liquid is in the form of:
CA
Average
Sinh bị
1
=-tanhb
CAO
b₁Cosh b₁
b₁
(c). The molar flux A at the surface of the liquid (at z=0) can be written:
DAB CAO
NAziz=0
bị tanh bị
L
Gas A
2=0
CAO
NAzz
Liquid B
NAZ 2+42
2= L
Figure 1. Absorption by homogeneous chemical reaction
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Transcribed Image Text:In the system (as shown in Figure 1), gas A dissolves into liquid B and
diffuses into the liquid phase. During diffusion, A reacts with B to form AB.
The reaction is an irreversible homogeneous reaction of order 1.
k!!!
A+BAB Where: - RA= k₁"CA
If S is the cross-sectional area of the column, derive:
(a). Profile the concentration of A in the liquid, and prove that:
CA
Cosh b₁[1-(7)]
KL²
=
Where: ₁
CAO
Cosh b₁
DAB
(b). The average concentration of A in the liquid is in the form of:
CA
Average
Sinh bị
1
=-tanhb
CAO
b₁Cosh b₁
b₁
(c). The molar flux A at the surface of the liquid (at z=0) can be written:
DAB CAO
NAziz=0
bị tanh bị
L
Gas A
2=0
CAO
NAzz
Liquid B
NAZ 2+42
2= L
Figure 1. Absorption by homogeneous chemical reaction
Az
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