Abstract:
Asymmetric PSf UF membranes were prepared at different shear rates which were
103.Ss-1, 129.3s-and 258.7s-' to investigate the influence of different shear
rate on the membrane structure and performance of asymmetric membrane by using
sodium chloride solution. The experimental data was modeled based on the pore
flow, solution-diffusion mechanisms and the extended Nemst-Plank equation. The
Spiegler -Kedem membrane transport model was used to evaluate the membrane
parameters such as reflection coefficient and solute permeability, P5 • The fine
structural details of the ultrafiltration membrane were evaluated in terms of effective
pore radius rp and ratio of effective membrane thickness to membrane porosity. The
measurement was conducted using steric-hindrance pore (SHP) model.
