A comparison on gas separation between PES (polyethersulfone)/MMT (Na-montmorillonite) and PES/TiO2 mixed matrix membranes

► CO2 and CH4 permeabilities increased with the increasing MMT content in MMM. ► The gas selectivity of PES/MMT MMMs was greatly reduced. ► At high MMT loadings, Knudsen diffusion became the predominant mechanism. ► The maximum CO2/CH4 selectivity occurred at 4 wt.% TiO2 MMM. ► The PES/20 wt.% TiO2...

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Veröffentlicht in:	Separation and purification technology 2012-05, Vol.92, p.57-63
Hauptverfasser:	Liang, Chia-Yu, Uchytil, Petr, Petrychkovych, Roman, Lai, Yung-Chieh, Friess, Karel, Sipek, Milan, Mohan Reddy, M., Suen, Shing-Yi
Format:	Artikel
Sprache:	eng
Schlagworte:	Agglomeration Applied sciences Carbon dioxide Chemical engineering Exact sciences and technology Fillers Gas permeation Membrane separation (reverse osmosis, dialysis...) Membranes methane Mixed matrix membrane nanoparticles Permeability Polyethersulfone membrane Polyethersulfones scanning electron microscopy Selectivity Sintering, pelletization, granulation Sodium montmorillonite Solid-solid systems Titanium dioxide transmission electron microscopy X-ray diffraction
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