LG SW 440 GR G2

Summary

Product identification

LG SW 440 GR G2 membranes are Seawater Reverse Osmosis (RO) Membranes featuring enhanced Thin Film Nanocomposite (TFN) technology. These membranes are designed for high salinity seawater applications, offering a combination of high rejection and low energy requirements to reduce the total cost of desalination.

Benefits include:

• Improved permeate quality without increasing operating pressure
• Reduced energy cost without sacrificing permeate quality
• Reduced capital and operation costs for multi-pass SWRO systems

Product Specifications

• Active Membrane Area: 440 ft² (41 m²)
• Permeate Flow Rate: 8,250 GPD (31.2 m³/d)
• Stabilized Salt Rejection: 99.89 %
• Minimum Salt Rejection: 99.75 %
• Boron Rejection: 93 %
• Feed Spacer: 28 mil

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%.

Operating limits

• 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)

Mechanical / hydraulic

• A: 1,016 mm (40 in.)
• B: 200 mm (7.9 in.)
• C: 28.6 mm (1.125 in.)
• Weight: 16 kg (35 lbs.)

All dimensional information is indicative and for reference purpose only. Please contact LG Chem for detailed technical specification.

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Official datasheet (PDF)

PDF datasheet