SW (Seawater) membrane elements are specialized aromatic polyamide composite Reverse Osmosis (RO) components designed to treat high-salinity water sources, typically exceeding 10,000 ppm. These elements are engineered to produce high-quality drinking water or industrial process water from seawater through first-order reverse osmosis.
SW series membrane elements are generally suitable for seawater desali-nation below 50000ppm and desalination of high-concentration brackishwater. They are mainly used in high value-added industrial fields such asseawater desalination, high-concentration brackish water desalination,power plant boiler feed water, wastewater reuse, and pharmaceuticalconcentration.
| Model | Stable desalination rate% | Minimum desalination rate% | Water flux GPD | Effective membrane area ft² (m²) |
| SW-8040 | 99.8 | 99.65 | 7500 | 400 (37.2) |
| SW-4040 | 99.8 | 99.65 | 1600 | 90 (8.4) |
Operation Pressure 800psi…………………………………………………………………………………. (5.52MPa)(NaCI)
Test solution concentration …………………………………………………………………………………. 32000ppm
Test solution temperature …………………………………………………………………………………. 25°C
Test solution pH value …………………………………………………………………………………………. 8.0
Recovery rate of single membrane element ……………………………………………………………. 8%
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