A 5 mm thick ammonia-water solution layer is in contact with an organic liquid on one side of an interface. The concentration of ammonia in the organic phase is maintained constant, resulting in an equilibrium concentration of 4.1 wt percent ammonia in water at this surface (density of aqueous solution is assumed to be 899 kg/m3) and a concentration of 12 percent ammonia in water at the opposite end of the film (density of 857.7 kg/m3). Organic substances and water are insoluble in each other. Ammonia's diffusion coefficient in water is estimated to be 3.17 x 10-9 m2/s. Calculate the ammonia steady-state flux in kg mol/s m2.
A 5 mm thick ammonia-water solution layer is in contact with an organic liquid on one side of an interface. The concentration of ammonia in the organic phase is maintained constant, resulting in an equilibrium concentration of 4.1 wt percent ammonia in water at this surface (density of aqueous solution is assumed to be 899 kg/m3) and a concentration of 12 percent ammonia in water at the opposite end of the film (density of 857.7 kg/m3). Organic substances and water are insoluble in each other. Ammonia's diffusion coefficient in water is estimated to be 3.17 x 10-9 m2/s. Calculate the ammonia steady-state flux in kg mol/s m2.
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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A 5 mm thick ammonia-water solution layer is in contact with an organic liquid on one side of an interface. The concentration of ammonia in the organic phase is maintained constant, resulting in an equilibrium concentration of 4.1 wt percent ammonia in water at this surface (density of aqueous solution is assumed to be 899 kg/m3) and a concentration of 12 percent ammonia in water at the opposite end of the film (density of 857.7 kg/m3). Organic substances and water are insoluble in each other. Ammonia's diffusion coefficient in water is estimated to be 3.17 x 10-9 m2/s. Calculate the ammonia steady-state flux in kg mol/s m2.
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