Table 1.
Commercial polymeric RO and NF membranes for water purification.
| Membrane | Manufacturer | Selective Layer | Maximum Temperature (°C) | pH Range | Salt Rejection (%) |
|---|---|---|---|---|---|
| SW30HRLE-400 | Dow Filmtec, USA | PA TFC | 45 | 2–11 | 99.8 NaCl |
| NF270-400/34i | Dow Filmtec, USA | PA TFC | 45 | 3–10 | >97 NaCl |
| SWC4+ | Hydranautics, USA | PA TFC | 45 | 3–10 | >99.7 NaCl |
| TM820C-370 | Toray, USA | PA TFC | 45 | 2–11 | >99.5 NaCl |
| HB10255 | Toyobo, Japan | CTA hollow fiber | 40 | 3–8 | >99.4 NaCl |
| TS40 | Microdyn-Nadir, USA | Polypiperazineamide | 45 | 1–12 | 40 NaCl >98.5 MgSO4 |
| TS80 | Microdyn-Nadir, USA | PA TFC | 45 | 1–12 | 80 NaCl >98.5 MgSO4 |
| AD-90 | GE-Osmonics, USA | TFC | 50 | 4–11 | >99.5 NaCl 95% Boron |
| AG4040C | GE-Osmonics, USA | TFC | 50 | 4–11 | >99 NaCl |
| HL2540FM | GE-Osmonics, USA | TFC | 50 | 3–9 | >96 MgSO4 |
| CK4040FM | GE-Osmonics, USA | CA | 30 | 5–6.5 | >94 MgSO4 |
| 8040-SW-400-34 | Koch, USA | Proprietary PA TFC | 45 | 4–11 | >99.5 NaCl |
| 4040-HR | Koch, USA | Proprietary PA TFC | 45 | 4–11 | >99.2 NaCl |
| MPS-34 2540 A2X | Koch, USA | Proprietary composite NF | 50 | 0–14 | 35 NaCl 95 Glucose 97 Sucrose |
| NFX | Synder, USA | Proprietary PA TFC | 50 | 2–11 | 40 NaCl >99 MgSO4 >99 Lactose |
| NFW | Synder, USA | Proprietary PA TFC | 50 | 2–11 | 20 NaCl >97 MgSO4 >98.5 Lactose |