Table 4 The properties of the prepared membranes.
From: Removal of metal ions and humic acids through polyetherimide membrane with grafted bentonite clay
Membrane | Thickness (µm) | Porosity (%) | Water uptake (%) | FRR (%) |
|---|---|---|---|---|
PEM-0 | 128 | 32.4 | 34.7 | 23.7 |
PEM-1 | 139 | 42.9 | 48.2 | 58.1 |
PEM-2 | 143 | 53.5 | 65.8 | 76.5 |
PEM-3 | 131 | 62.7 | 71.3 | 84.1 |
