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Polyelectrolyte composite membranes with ultrathin active layer were utilized for pervaporation dehydration of ethanol aqueous solution. The active layer was constructed by sequential spin-coating and self-assembly of chitosan (CS) and hyaluronic acid (HA), respectively, on the polyacrylonitrile (PAN) support layer. The spin-coating layer was denoted as inner layer, and the self-assembly layer was...
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