LG SW 400 R

Summary

Product identification

LG Chem's NanoH2O™ seawater RO membranes, incorporating Thin Film Nanocomposite (TFN) technology, are designed to reduce desalination costs while delivering superior water quality. The LG SW R (High Rejection) series, including the LG SW 400 R, offers a combination of high rejection and low energy requirements, suitable for medium to high salinity seawater applications.

Product Specifications

• Active Membrane Area: 400 ft² (37 m²)
• Permeate flow rate: 9,000 GPD (34.1 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 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)

Feed water

• 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

Mechanical / hydraulic

• Length (A): 1,016 mm (40 in.)
• Diameter (B): 200 mm (7.9 in.)
• Brine seal end diameter (C): 28.6 mm (1.125 in.)
• Weight: 16 kg (35 lbs.)
• Max. Pressure drop (ΔP) for each element: 15 psi (1.0 bar)

All dimensional information is indicative and for reference purpose only.

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Disclaimer: This summary is based on the provided text extract. The original PDF may contain additional figures, footnotes, or more recent revisions. Contractual data for specific projects must match the OEM PDF revision used on that project.

Official datasheet (PDF)

PDF datasheet