LG BW 4040 UES Ultra Energy Saving Brackish Water RO membranes offer high permeability at low feed pressure significantly reducing operating costs; suitable for low salinity brackish water applications. 

LG Chem’s NanoH2O™ brackish water RO membranes serve various municipal and industrial applications and 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.

LG BW 4040 UES Compatibility Information 

LG BW 4040 UES Membrane Element can be used as a replacement for the below membrane elements in your existing water treatment equipment.   Please note that additional hardware or adapters may be required - refer to the pressure vessel and element drawings, or contact us to verify.

• FilmTec XLE-4040
• Hydranautics ESPA4-4040
• Toray MH10A

Specifications for LG BW 4040 UES

Permeate flow and salt rejection based: 500 ppm NaCl feed stream, 77°F (25°C), 15% recovery, pH7, and 100 psig (6.9 bar).  Permeate flows for individual elements will vary with no less than 85% of the specified datasheet flow.

Operating Limits for LG BW 4040 UES

Power Generation

• Boiler feed for steam generation 
• Cooling tower makeup water 
• FGD process makeup water
• Treatment of cooling tower blowdown
• Condensate polishing
• NOx cooling water

Petrochemical

• Desalting water Cooling tower makeup 
• Treatment of cooling tower blowdown
• Boiler feed for steam generation 
• Condensate polishing

Automotive

• Paint booths 
• Electrocoat and phosphatizing lines 
• Machining coolant makeup 
• Parts rinsing

Semiconductor

• Cleaning and etching agents 
• Chip fabrication 
• Rinsing 
• Silicon wafer dicing 
• Cooling 
• Clean room humidification

Desalination

Municipal

Food & Beverage

• Bottled water 
• Syrup blending
• Flavor production
• Boiler feed for steam production
• Dairy and cheese making 
• Coffee and tea production