with a cell size of 2–4 μm (Fig. 2b) and at a concentration of 1.2–1.4 g/L, was used for the present study. The effective filtration area of the membrane was 14 cm2
with acell size of 2–4 μm (Fig. 2b) and at a concentration of 1.2–1.4 g/L, wasused for the present study. The effective filtration area of the membranewas 14 cm2