Seawater Reverse Osmosis (SWRO)
LG SW 440 R G2
The next-generation LG SW G2 membranes have achieved record-breaking salt rejection, improving the product quality up to 45% compared with the conventional technology. With enhanced Thin Film Nanocomposite (TFN) technology, LG SW G2 membranes can significantly reduce the cost of desalination.
LG SW R (High Rejection) membranes offer a combination of high rejection and low energy requirements to reduce the total cost of desalination; suitable for medium to high salinity seawater applications.
LG SW G2 Benefits
- Improved permeate quality without increasing operating pressure
- Reduced energy cost without sacrificing the permeate quality
- Reduced capital and operation costs for multi-pass SWRO systems
LG SW 440 R G2
| Active Membrane Area, ft² (m²) | Permeate Flow Rate, GPD (m³/d) | Stabilized Salt Rejection, % | Minimum Salt Rejection, % | Boron Rejection, % | Feed Spacer, mil |
| 440 (41) | 9,000 (37.5) | 99.88 | 99.75 | 93 | 28 |
| Test Conditions : 32,000 ppm NaCl, 5 ppm boron at 25°C (77°F), 800 psi (55 bar), pH 8, Recovery 8%. Permeate flows for individual elements may vary +/-15%. |
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Operating Specifications
| Max. Applied pressure | 1,200 psi (82.7 bar) |
| Max. Chlorine concentration | < 0.1 ppm |
| Max. Operating temperature | 45°C (113°F) |
| pH Range, Continuous (Cleaning) | 2 -11 (2 -13) |
| Max. Feedwater turbidity | 1.0 NTU |
| Max. Feedwater SDI (15 mins) | 5.0 |
| Max. Feed flow | 75 gpm (17 m3/h) |
| Min. Ratio of concentrate to permeate flow for any element | 5 : 1 |
| Max. Pressure drop (ΔP) for each element | 15 psi (1.0 bar) |
Product Dimensions
| A, | B, | C, | Weight, | |||
| mm (in.) | mm (in.) | mm (in.) | kg (lbs.) | |||
| 1,016 | 200 | 28.6 | 16 | |||
| (40) | (7.9) | (1.125) | (35) | |||
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