Pervaporation and Vapor Permeation Membrane Systems for ...

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Pervap & Vapor Perm Applications • Dehydration of Organic Solvents • Removal of VOCs from Groundwater and Wastewater (Pervap only) • Fermentation Product Recovery • biofuels (ethanol, butanol) • flavor/aroma compounds • Organic/Organic Separations • reducing sulfur in fuels
Pervap Performance Measures (1 of 2) • Flux (J) [=] mass/(area • time) • Separation Factor (β) • for compound 1 relative to compound 2 ⎛ y ⎞ ⎜ 1 y ⎟ β = ⎜ 2 ⎟ = β 12 ⎜ x1 ⎟ ⎝ x2 ⎠ VLE β membrane y = Permeate concentration, x = Feed liquid concentration
Page 1 and 2: Pervaporation and Vapor Permeation
Page 3 and 4: 2005 National Research Council Repo
Page 5 and 6: Biofuels • Vision - efficient, sm
Page 7 and 8: Mol. Sieve From Renewable Motor Fue
Page 9 and 10: Distillation: energy-intensive at l
Page 11 and 12: Pervaporation • Membrane-based se
Page 13: Vapor Permeation - Pervaporation’
Page 17 and 18: Separation Factor Determines Qualit
Page 19 and 20: Pervaporation Modules Are Available
Page 21 and 22: Membrane Module …and even a fouli
Page 23 and 24: Why Not Pervaporation • Inherent
Page 25 and 26: Mid-Size USEPA Pervaporation Bench
Page 27 and 28: How Best to Integrate Fermentor Pe
Page 29 and 30: Pervaporation-Fermentation Integrat
Page 31 and 32: Advantages of Operating Pervap at H
Page 33 and 34: The benefits of high temperature op
Page 35 and 36: Mol. Sieve From Renewable Motor Fue
Page 37 and 38: Silicone Rubber is Benchmark Materi
Page 39 and 40: Mixed Matrix Membranes Offer Interm
Page 41 and 42: EPA Mixed Matrix Membranes 50 wt% z
Page 43 and 44: Zeolite particles = preferential pa
Page 45 and 46: Increase process efficiency using
Page 47 and 48: Pervaporation-dephlegmation can be
Page 49 and 50: BioSep Project Funded through USDA/
Page 51 and 52: Polyvinyl Alcohol (PVA) is Benchmar
Page 53 and 54: U.S. EPA Contributing to Several In
Page 55: L.M. Vane, “A review of pervapora

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