Korea LG Chem 8 Inch Bw400 Bw440 Brackish Water Reverse Osmosis Membrane

LG BW 4040 R membranes offer a combination of high rejection and reliability: 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%

Test Conditions

• NaCl: 2,000 ppm
• Pressure: 225 psi (15.5 bar)
• Temperature: 25°C (77°F)
• pH: 7
• Recovery: 15%
• Permeate Flow Variation : +/-20%

Operating Specifications

• Max. Operating Pressure: 600 psi (41 bar)
• Max. Chlorine Concentration: <0.1 ppm
• Max. Operating Temperature: 45°C (113°F)
• pH Range, Continuous (Cleaning): 2-11 (2-12)
• Max. Feedwater Turbidity: 1.0 NTU
• Max. Feedwater SDI (15 minutes): 5.0
• Max. Feed Flow: 16 gpm (3.6 m³/h)
• Max. Pressure Drop for Each Element: 15 psi (1.0 bar)

Product Dimensions

• Length: 1,016 mm (40 inch)
• Element O.D.: 100 mm (3.9 inch)
• Permeate Tube O.D.: 19 mm (0.75 inch)
• Active Membrane Area: 85.0 ft² (7.9 m²)
• Weight: 4.0 kg (8.8 lbs.)
• Core Tube Extension: 29 mm (1.1 inch)
• Feed Spacer: 28 mil

LG Chem's brackish water RO membranes lower the cost of desalination by improving energy efficiency and productivity. These thin-film nanocomposite (TFN) membranes feature benign nanomaterials incorporated into the thin-film polyam-ide layer of a composite membrane. This innovative patented and patent-pending technology significantly increases membrane permeability while offering superior salt rejection.