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: McGraw-Hill Education
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Consider the convective
concentration. The equilibrium correlation at particular operation temperature is given below
y = 1.2x
At a certain point the concentration of solute A in the bulk air is 0.04 mole fraction and that in the
bulk aqueous phase is 0.025. The local individual mass transfer coefficients for the transport of A
are, ky = 7.2 kmol/(h)(m2
)(Δy) and kx = 4.6 kmol/(h)(m2
)(Δx).
Firstly, determine in which direction does the transport of the solute A occur (i.e. from the gas to the
liquid or from the liquid to the gas)? Also, Calculate:
1. The overall gas-phase and the overall liquid-phase driving forces for mass transfer?
The overall mass transfer coefficients, Kx and Ky
III. The interfacial concentrations in both the gas-phase and the liquid-phase
IV. The local mass flux, NA and the resistance to mass transfer in both the phases
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