LG BW 4040 R

Summary

Product identification

LG Chem LG BW 4040 R is a brackish water reverse osmosis (RO) membrane, featuring high rejection. It incorporates Thin Film Nanocomposite (TFN) technology, providing superior performance and intrinsic anti-fouling properties. These membranes are suitable for high salinity brackish water and wastewater reuse applications.

Product Specifications

• Active Membrane Area: 85 ft² (7.9 m²)
• Permeate flow rate: 2,500 GPD (9.5 m³/d)
• Stabilized Salt Rejection: 99.6%
• Minimum Salt Rejection: 99.3%
• Feed Spacer: 28 mil

Test Conditions: 2,000 ppm NaCl at 25°C (77°F), 225 psi (15.5 bar), pH 7, Recovery 15%. Permeate flows for individual elements may vary +/-20%.

Mechanical / hydraulic

• A: 1,016 mm (40 in.)
• B: 100 mm (3.9 in.)
• C: 19 mm (0.75 in.)
• D: 29 mm (1.1 in.)
• Weight: 4.0 kg (8.8 lbs.)

Operating limits

• Max. Applied pressure: 600 psi (41 bar)
• Max. Chlorine concentration: < 0.1 ppm
• Max. Operating temperature: 45°C (113°F)
• pH Range, Continuous: 2-11
• pH Range, Cleaning: 2-12
• Max. Feedwater turbidity: 1.0 NTU
• Max. Feedwater SDI (15 mins): 5.0
• Max. Feed flow: 16 gpm (3.6 m³/h)
• Max. Pressure drop (ΔP) for each element: 15 psi (1.0 bar)

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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 OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet