A sintered silica 2 mm thick is porous with a void fraction of 0.3 and tortuosity of 4. The pores are filled with air at 298 K and atmospheric pressure. At one face, the concentration of acetone is held at 0.1 mmol/liter, and fresh nitrogen flows rapidly past the other face. Neglecting any other resistance but that in the porous solid, calculate the flux of acetone at steady state. The diffusivity of acetone in nitrogen is 1.22 x 10^-5 m2/s.
A sintered silica 2 mm thick is porous with a void fraction of 0.3 and tortuosity of 4. The pores are filled with air at 298 K and atmospheric pressure. At one face, the concentration of acetone is held at 0.1 mmol/liter, and fresh nitrogen flows rapidly past the other face. Neglecting any other resistance but that in the porous solid, calculate the flux of acetone at steady state. The diffusivity of acetone in nitrogen is 1.22 x 10^-5 m2/s.
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 sintered silica 2 mm thick is porous with a void fraction of 0.3 and tortuosity of 4. The pores are filled with air at 298 K and atmospheric pressure. At one face, the concentration of acetone is held at 0.1 mmol/liter, and fresh nitrogen flows rapidly past the other face. Neglecting any other resistance but that in the porous solid, calculate the flux of acetone at steady state. The diffusivity of acetone in nitrogen is 1.22 x 10^-5 m2/s.
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