Table 2. Attributes of the NF Membranes Including the Nominal Pore Size, Pure Water Normalized Flux, and Divalent and Monovalent Salt Rejections.
| membrane type | membrane pore size (102 Da) | water permeability (L/m2·h·bar) | salt rejection (%) | producer/material | reference |
|---|---|---|---|---|---|
| NF90 | 2 | 8.9 | 99, MgSO4; 93, NaCl | FilmTec/polyamide | Dupont,64 Ramdani65 |
| TS40 | 2 | 4.5 | 90, MgSO4; 50, NaCl | Trisep/polypiperazine | Trisep66 |
| NF270 | 3 | 11.0 | 97, MgSO4; 50, NaCl | FilmTec/polypiperazine | Dupont,67 Ramdani65 |
| NFW | 4 | 10.6 | 97, MgSO4; 20, NaCl | Synder/polyamide | Synder68 |
| XN45 | 5 | 7.8 | 95, MgSO4; 20, NaCl | Trisep/polypiperazine | Trisep69 |
| TS80 | 1.5 | 8.6 | 99, MgSO4; 80, NaCl | Trisep/polyamide | Trisep70 |
| SB90 | 1.5 | 3.7 | 97, MgSO4; 85, NaCl | Trisep/cellulose acetate | Trisep71 |
| NP030 | 5 | >1.0 | N.D., MgSO4; 86, NaCl | Microdyn Nadir/poly(ether sulfone) | Nadir72 |