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Case A- Feed mixture: 50 psia pure CO₂ L (cm) O.D. (cm) Pfeed (psia) Vp (ml) 12 0.018 53 Membrane 1 12 0.018 51 12 0.018 49.7 12 0.018 50 12 0.018 50 5 555 5 Yco2 (%) tp (s) 135.35 100.00 118.54 100.00 118.85 100.00 115.05 100.00 115.78 100.00 L= length of the hollow fiber membrane used cm) OD = outer diameter of the fiber used (cm) Pfeed Total feed pressure (psia) V₁ = = volume of permeate collected (mL) t = time to collect (s) Yco2 CO2 mol% in permeate stream (%) Case B - Feed mixture: 500 psia 10:90 CO₂:CH4 L (cm) O.D. (cm) Pfeed (psia) Vp (ml) tp (s) Ycoz (%) 12 0.018 497 Membrane 2 12 0.018 496.3 12 0.018 496.3 12 0.018 496.7 5555 103.07 74.83 144.31 76.81 144.31 76.89 144.67 77.47 Case C - Feed mixture: 100 psia 50:50 CO₂:CH4 L (cm) O.D. (cm) Pfeed (psia) Vp (ml) tp (s) Ycoz (%) 12 0.018 98.2 5 138.9 97.01 Membrane 3 12 0.018 97.6 5 140.94 97.30 12 0.018 97.5 5 140.57 97.32

Case A- Feed mixture: 50 psia pure CO₂ L (cm) O.D. (cm) Pfeed (psia) Vp (ml) 12 0.018 53 Membrane 1 12 0.018 51 12 0.018 49.7 12 0.018 50 12 0.018 50 5 555 5 Yco2 (%) tp (s) 135.35 100.00 118.54 100.00 118.85 100.00 115.05 100.00 115.78 100.00 L= length of the hollow fiber membrane used cm) OD = outer diameter of the fiber used (cm) Pfeed Total feed pressure (psia) V₁ = = volume of permeate collected (mL) t = time to collect (s) Yco2 CO2 mol% in permeate stream (%) Case B - Feed mixture: 500 psia 10:90 CO₂:CH4 L (cm) O.D. (cm) Pfeed (psia) Vp (ml) tp (s) Ycoz (%) 12 0.018 497 Membrane 2 12 0.018 496.3 12 0.018 496.3 12 0.018 496.7 5555 103.07 74.83 144.31 76.81 144.31 76.89 144.67 77.47 Case C - Feed mixture: 100 psia 50:50 CO₂:CH4 L (cm) O.D. (cm) Pfeed (psia) Vp (ml) tp (s) Ycoz (%) 12 0.018 98.2 5 138.9 97.01 Membrane 3 12 0.018 97.6 5 140.94 97.30 12 0.018 97.5 5 140.57 97.32

Introduction to Chemical Engineering Thermodynamics
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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The table below shows data from real test runs for three membranes tested under 3 different conditions (Cases A, B and C).

Using the data below, compute the (a) steady state CO2 permeance (in GPU) and (b) CO2/CH4 selectivities for the three cases:

 

Case A- Feed mixture: 50 psia pure CO₂ L (cm) O.D. (cm) Pfeed (psia) Vp (ml) 12 0.018 53 Membrane 1 12 0.018 51 12 0.018 49.7 12 0.018 50 12 0.018 50 5 555 5 Yco2 (%) tp (s) 135.35 100.00 118.54 100.00 118.85 100.00 115.05 100.00 115.78 100.00 L= length of the hollow fiber membrane used cm) OD = outer diameter of the fiber used (cm) Pfeed Total feed pressure (psia) V₁ = = volume of permeate collected (mL) t = time to collect (s) Yco2 CO2 mol% in permeate stream (%) Case B - Feed mixture: 500 psia 10:90 CO₂:CH4 L (cm) O.D. (cm) Pfeed (psia) Vp (ml) tp (s) Ycoz (%) 12 0.018 497 Membrane 2 12 0.018 496.3 12 0.018 496.3 12 0.018 496.7 5555 103.07 74.83 144.31 76.81 144.31 76.89 144.67 77.47 Case C - Feed mixture: 100 psia 50:50 CO₂:CH4 L (cm) O.D. (cm) Pfeed (psia) Vp (ml) tp (s) Ycoz (%) 12 0.018 98.2 5 138.9 97.01 Membrane 3 12 0.018 97.6 5 140.94 97.30 12 0.018 97.5 5 140.57 97.32
Transcribed Image Text:Case A- Feed mixture: 50 psia pure CO₂ L (cm) O.D. (cm) Pfeed (psia) Vp (ml) 12 0.018 53 Membrane 1 12 0.018 51 12 0.018 49.7 12 0.018 50 12 0.018 50 5 555 5 Yco2 (%) tp (s) 135.35 100.00 118.54 100.00 118.85 100.00 115.05 100.00 115.78 100.00 L= length of the hollow fiber membrane used cm) OD = outer diameter of the fiber used (cm) Pfeed Total feed pressure (psia) V₁ = = volume of permeate collected (mL) t = time to collect (s) Yco2 CO2 mol% in permeate stream (%) Case B - Feed mixture: 500 psia 10:90 CO₂:CH4 L (cm) O.D. (cm) Pfeed (psia) Vp (ml) tp (s) Ycoz (%) 12 0.018 497 Membrane 2 12 0.018 496.3 12 0.018 496.3 12 0.018 496.7 5555 103.07 74.83 144.31 76.81 144.31 76.89 144.67 77.47 Case C - Feed mixture: 100 psia 50:50 CO₂:CH4 L (cm) O.D. (cm) Pfeed (psia) Vp (ml) tp (s) Ycoz (%) 12 0.018 98.2 5 138.9 97.01 Membrane 3 12 0.018 97.6 5 140.94 97.30 12 0.018 97.5 5 140.57 97.32
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