Research Article
Hexavalent Chromium Removal from Model Water and Car Shock Absorber Factory Effluent by Nanofiltration and Reverse Osmosis Membrane
Table 1
Specifications of NF-HL-2514 and RO-SG-2514 membranes.
| Membrane reference | NF-HL-2514 | RO-SG-2514 |
| Membrane type | Polyamide thin film composite | Polyamide thin film composite | Maximum operating temperature | 50°C | 50°C | Maximum operating pressure | 40 bar | 41 bar | Continuous operating pH range | 4–11 | 2–11 | Membrane area | 0.6 m2 | 0.6 m2 | Pure water permeability | 9 L h−1 m−2 bar−1 | 3.85 L h−1 m−2 bar−1 | MWCO | 314 Da | 172 Da |
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