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LG SW 440 ES NanoH2O Seawater Reverse Osmosis Membrane, 8" x 40"
LG SW 440 ES
LG SW 440 ES

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Product Code: LG-SW-440-ES

Description Spec Sheet / Manual Technical Specifications

LG SW 440 ES NanoH2O Seawater Reverse Osmosis Membrane, 8" x 40"

LG Chem’s NanoH2O™ seawater RO membranes, incorporated with innovative Thin Film Nanocomposite (TFN) technology, reduce the cost of desalination while delivering superior water quality. Our seawater RO membranes provide industry leading salt rejection and produce 20% more flow than membranes manufactured with conventional technologies. We continue to leverage the technological advantages of our seawater RO membranes to expand our market share accruing more than 1,000 Million Liter per Day (MLD) projects backlog for the last two years.

LG SW ES (Energy Saving) membranes offer significant energy savings while producing good water quality; suitable for low to medium salinity seawater applications.

Product Specifications

Active Membrane Area440 ft² (41 m²)
Permeate Flow Rate15.070 gpd (57.0 m³/d)
Stabilized Salt Rejection99.80%
Minimum Salt Rejection99.6%
Boron Rejection89%

Operating Specifications

Max. Operating Pressure1,200 psi (82.7 bar)
Max. Chlorine Concentration< 0.1 ppm
Max. Operating Temperature45°C (113°F)
pH Range, Continuous (Cleaning)2-11 (2-13)
Max. Feedwater Turbidity1.0 NTU
Max. Feedwater SDI (15 minutes)5.0
Max. Feed Flow75 gpm (17 m³/h)
Min. Ratio of Concentrate to Permeate Flow5 : 1
Max. Pressure Drop for Each Element1.0 bar (15 psi)

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