A tubular UF unit is used to process whey. In the absence of the protein, a membrane flux of 100 L/m2 h can be obtained, when the PTM is 0.4 atm. The osmotic pressure produced by proteins, in atm, correlates with the following equation: Aл = 4.4x10-3-1.7x10-6C2 + 7.9x10-803 Where C is the protein concentration in g/L Calculate: a) The coefficient of hydraulic permeability Lp through the membrane. b) The permeate flux for a protein concentration of 10 g/L and a PTM of 1 atm. Assume that the protein is totally rejected by the membrane and that concentration polarization and gel layer resistances are negligible.
A tubular UF unit is used to process whey. In the absence of the protein, a membrane flux of 100 L/m2 h can be obtained, when the PTM is 0.4 atm. The osmotic pressure produced by proteins, in atm, correlates with the following equation: Aл = 4.4x10-3-1.7x10-6C2 + 7.9x10-803 Where C is the protein concentration in g/L Calculate: a) The coefficient of hydraulic permeability Lp through the membrane. b) The permeate flux for a protein concentration of 10 g/L and a PTM of 1 atm. Assume that the protein is totally rejected by the membrane and that concentration polarization and gel layer resistances are negligible.
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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Transcribed Image Text:A tubular UF unit is used to process whey. In the absence of the protein, a membrane flux of
100 L/m2 h can be obtained, when the PTM is 0.4 atm.
The osmotic pressure produced by proteins, in atm, correlates with the following equation:
Aπ = 4.4x10-³-1.7x10-6c² +7.9x10-8C³
Where C is the protein concentration in g/L
Calculate:
a) The coefficient of hydraulic permeability Lp through the membrane.
b) The permeate flux for a protein concentration of 10 g/L and a PTM of 1 atm. Assume that
the protein is totally rejected by the membrane and that concentration polarization and gel
layer resistances are negligible.
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