Dec 08, 2010 · When Kerasep ceramic membranes with micropore size of 0.1, 0.2, and 0.45 µm were used, the membrane contactor allowed the preparation of SLNs with a lipid phase flux between 0.15 and 0.35 m 3 /(m 2 h)), and a mean size between 70 and 215 nm. 147 While hydrophilic SPG membranes with the micropore sizes of 0.2 and 0.4 µm, and hydrophobic SPG