Table 3.
Compare the results of 4-NP rejection of blend membranes against preceding literature.
| Process | Type | Compositions (wt.%/wt.%) | C (mM) | pH | ΔP (bar) | R (%) | Permeation Flux (kg/m2·h) | Ref. |
|---|---|---|---|---|---|---|---|---|
| NF membrane | PPSU/PES | 20/9 | 0.01 | 14 | 3 | 99 | 6.2 | This work |
| NF membrane | PPSU/ PES | 20/9 | 0.1 | 14 | 3 | 98 | 4.6 | This work |
| NF membrane | PPSU/ PES | 20/8 | 0.1 | 14 | 3 | 98 | 7.3 | This work |
| NF membrane | PPSU/ PES | 20/7 | 0.1 | 14 | 3 | 96 | 10.9 | This work |
| NF membrane | PPSU/ PES | 20/9 | 0.1 | 8 | 3 | 96 | 2.6 | This work |
| NF membrane | PPSU/ PES | 20/8 | 0.1 | 8 | 3 | 91 | 5.3 | This work |
| NF membrane | PPSU/ PES | 20/7 | 0.1 | 8 | 3 | 89 | 8.7 | This work |
| NF membrane | CA/CTAB | 17/0.45 | 0.1 | 8 | 4.5 | 89 | 4.3 | [23] |
| NF membrane | CA/Triton | 17/0.45 | 0.1 | 8 | 4.5 | 71 | 3.7 | [23] |
| NF membrane | CA/SDS | 17/0.45 | 0.1 | 8 | 4.5 | 91 | 5.1 | [37] |
| NF membrane | PS/Ascorbic acid | 18/1 | 0.1 | 8 | 4.6 | 89 | 9.2 | [24] |
| NF membrane | PS/Citric acid | 18/1 | 0.1 | 8 | 4.6 | 91 | 8.0 | [24] |
| NF membrane | PS/Malic acid | 18/1 | 0.1 | 8 | 4.6 | 90 | 8.6 | [24] |
| NF membrane | CA/Palmitic acid | 17/2 | 0.1 | 8 | 4.6 | 87 | 5.8 | [26] |
| NF membrane | CA/Oleic acid | 17/2 | 0.1 | 8 | 4.6 | 83 | 7.8 | [26] |
| NF membrane | CA/Linoleic acid | 17/2 | 0.1 | 8 | 4.6 | 83 | 8.1 | [26] |
| Low-pressure reverse osmosis | Thin-film composite polyester (RO90 membrane) | Polyamide | 0.7 | 8 | 15 | 97 | 50.8 | [38] |