Superhydrophobic and superhydrophilic surface-enhanced separation performance of porous inorganic membranes for biomass-to-biofuel conversion applications

A new class of porous membranes is introduced to provide unique separation mechanisms by surface interactions and capillary condensation. High-performance architectural surface selective (HiPAS) membranes were designed for high perm-selective flux and high-temperature tolerance for hot vapor process...

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Bibliographic Details
Published in:Separation science and technology 2017-02, Vol.52 (3), p.528-543
Main Authors: Hu, Michael Z., Engtrakul, Chaiwat, Bischoff, Brian L., Jang, Gyoung G., Theiss, Timothy J., Davis, Mark F.
Format: Article
Language:English
Subjects:
Biodiesel fuels
Biofuel separations
Biofuels
Biomass
Condensation
Conversion
Fluxes
Fuels
inorganic membranes
Liquids
Membranes
Phenols
Porosity
porous membranes
Selectivity
Separation
superhydrophilic
superhydrophobic
Temperature effects
Temperature tolerance
Tolerances
Toluene
Vapors
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Description
Summary:A new class of porous membranes is introduced to provide unique separation mechanisms by surface interactions and capillary condensation. High-performance architectural surface selective (HiPAS) membranes were designed for high perm-selective flux and high-temperature tolerance for hot vapor processing and liquid processing. Due to surface-enhanced selectivity, larger-fluxes were achieved by utilizing larger pore sizes (~8 nm for vapor phase and micron-sized pores for liquid phase separations). This article describes a membrane-based separation concept for biomass conversion pathways and demonstrates the initial data for selective permeation of toluene-water and toluene-phenol-water relevant to biofuel processing.
ISSN:0149-6395
1520-5754
DOI:10.1080/01496395.2016.1260144