Abstract:In the present paper, organic/inorganic membrane has been prepared for gas separation by incorporating heteropolyacids (ΗΡΑ) such as 12-phosphotungstic acid (PWA) into the base polymer. Flat-sheet membranes were prepared using polyethersulfone (PES) dissolved in Ν, Ν-dimethylacetamide (DMAc) with and without the addition of PWA. The membranes were prepared from quaternary (PES/PWA/DMAc/water) and ternary (PES/PWA/DMAc) systems by wet and dry (solvent evaporation) techniques. Composite membranes were produced v… Show more
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