Abstract
Using several asymmetric cellulose acetate membranes (CA), transport parameters such as the hydrodynamic (ℓ p) and osmotic (ℓ π) permeability and the asymptotic solute rejection (r ∞) were determined from hyperfiltration experiments at 25° C with different brine solutions (0.1 M and 0.5 M NaCl, 0.1 M NaNO 3, 0.05 M Na 2SO 4). All membranes used exhibit a quite constant performance.
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