LG BW 4021 ES NanoH2O Brackish Water Reverse Osmosis Membrane, 4" x 21"

LG Chem’s NanoH2O™ brackish water RO membranes serve various municipal and industrial applications and have been operating in the major utilities around the world. LG BWRO membranes, all incorporated with innovative Thin Film Nanocomposite (TFN) technology, are offered in industry standard configurations and can easily fit into existing and new RO plants.

Energy Saving

LG BW ES membranes offer high permeability at low feed pressure, significantly reducing operating costs: suitable for low to medium salinity brackish water applications.

Product Specifications

Active Membrane Area	34 ft² (3.2 m²)
Permeate Flow Rate	1,000 gpd (3.8 m³/d)
Stabilized Salt Rejection	99.5%
Minimum Salt Rejection	99.2%

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	1.0 bar (15 psi)