Table 1 Porosity, pore radius, roughness, contact angle, Rejection, and flux for (blank, TiO2, ZnO, and ZnO/TiO2) prepared membranes.
Sample | Porosity (%) | Rm (nm) | Ra (nm) | Contact angle degree | Rejection (%) | FluxL/m2Â h |
|---|---|---|---|---|---|---|
Blank | 59 ± 0.3 | 260 ± 5 | 72.4 ± 0.2 | 69.0 ± 1.9 | 76.7 ± 5 | 1.5 ± 0.10 |
TiO2 | 60 ± 0.3 | 200 ± 5 | 78.3 ± 0.2 | 59.3 ± 1.6 | 90.6 ± 5 | 0.5 ± 0.01 |
ZnO | 65 ± 0.3 | 163 ± 5 | 76.5 ± 0.2 | 65.4 ± 1.6 | 99.6 ± 5 | 1.5 ± 0.10 |
ZnO/TiO2 | 75 ± 0.3 | 262 ± 5 | 26.9 ± 0.2 | 65.4 ± 2.6 | 95.3 ± 5 | 4.6 ± 0.5 |