Answered: Type Molecule Concentration, Rejection,…

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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An aqueous feed of 1,000 L is to undergo batch UF with a polysulfone membrane. Solute concentrations and their measured rejection values are:Polydextran has the highest MW, but the lowest rejection because it
is a linear rather than a globular molecule. The volume of the final retentate is to be 200 L, which is achieved in a 4-hour batch-processing time. Thus, from (14-118), CF = 1,000/200 = 5. Fromexperimental measurements, the flux values are 30 L/m²-h at CF = 1 and 10 L/m²-h at CF = 5. Calculate the solute concentration in the final retentate, the yield of each solute, and the membrane area.

Type
Molecule
Concentration, Rejection,
c, g/L
Solute
MW
Globular 67,000
Globular
Linear
Albumin
1.00
10
Cytochrome C
Polydextran
13,000
100,000
0.70
10
0.05
10

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