LG SW 400 GR

Summary

Product identification

LG Chem's NanoH2O™ seawater reverse osmosis (RO) membranes, featuring Thin Film Nanocomposite (TFN) technology, are designed to reduce desalination costs while providing superior water quality. These LG SW GR (Great Rejection) membranes are suitable for high salinity seawater applications, offering a combination of high rejection and low energy requirements.

Product water

• Active Membrane Area: 400 ft² (37 m²)
• Permeate flow rate: 7,500 GPD (28.4 m³/d)
• Stabilized Salt Rejection: 99.85%
• Minimum Salt Rejection: 99.7%
• Boron Rejection: 93%
• Feed Spacer: 28 or 34 mil

Test Conditions:

• 32,000 ppm NaCl
• 5 ppm boron
• 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. Operating temperature: 45°C (113°F)
• pH Range, Continuous (Cleaning): 2-11 (2-13)
• Min. Ratio of concentrate to permeate flow for any element: 5 : 1
• Max. Pressure drop (ΔP) for each element: 15 psi (1.0 bar)

Feed water

• Max. Chlorine concentration: < 0.1 ppm
• Max. Feedwater turbidity: 1.0 NTU
• Max. Feedwater SDI (15 mins): 5.0
• Max. Feed flow: 75 gpm (17 m³/h)

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 purposes only. Contact LG Chem for detailed technical specifications.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. Contractual data must match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet