Table 4.
Comparison of dye removal ability of polymeric membranes from recent literature and this study.
| Membrane | Type of membrane | Dye | PWP (L/m2 h bar)a | DPF (L/m2 h bar)b | Dye rejection | Ref. |
|---|---|---|---|---|---|---|
| PES/GO-PSBMA | Loose NF | Reactive black 5 | 11.98 | 9.4 | 99.2 | 46 |
| PAEK-COOH | Tight UF | Congo red | 29.5 | 25 | 99.0 | 77 |
| Sepro NF 6 | Loose NF | Direct red 80 | 13.7 | 13.2 | 99.95 | 87 |
| UH004 (Hydrophilic PES) | Tight UF | Direct red 80 | 27 | 26 | 99.9 | 88 |
| Sepro NF 2 A | Loose NF | Direct red 80 | 10.5 | 9.6 | 99.98 | 87 |
| PSf-poly(MBAAm-co-SBMA) | UF | Reactive black 5/ Reactive orange 16 | 56 | 51/51.8 | 98/80.7 | This study |
aPWP, pure water permeability.
bDPF, dye permeate flux.