An ethanol –water solution in the form of a stagnant film 2 mm thick at 293 K is in contact at one surface with an organic solvent in which ethanol is soluble and water is insoluble. At point 1, the concentration of ethanol is 16.6 wt% and the solution density is 972.8 Kg/m3 .At point 2, the the concentration of ethanol is 6.8 wt% and solution density is 988.1 kg/m3 . The diffusivity of ethanol is 0.740x10 -9m2/s.Calculate the steady state flux NA.
An ethanol –water solution in the form of a stagnant film 2 mm thick at 293 K is in contact at one surface with an organic solvent in which ethanol is soluble and water is insoluble. At point 1, the concentration of ethanol is 16.6 wt% and the solution density is 972.8 Kg/m3 .At point 2, the the concentration of ethanol is 6.8 wt% and solution density is 988.1 kg/m3 . The diffusivity of ethanol is 0.740x10 -9m2/s.Calculate the steady state flux NA.
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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1. An ethanol –water solution in the form of a stagnant film 2 mm thick at 293 K is in contact at
one surface with an organic solvent in which ethanol is soluble and water is insoluble. At
point 1, the concentration of ethanol is 16.6 wt% and the solution density is 972.8 Kg/m3
.At
point 2, the the concentration of ethanol is 6.8 wt% and solution density is 988.1 kg/m3
. The
diffusivity of ethanol is 0.740x10
-9m2/s.Calculate the steady state flux NA.
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