LG BW 4040 R High Rejection BWRO membranes offer a combination of high rejection, reliability, and durability; suitable for high salinity brackish water and wastewater reuse application. 

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 R Compatibility Information 

LG BW 4040 R 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 BW30-4040
• Hydranautics CPA2-4040
• Hydranautics CPA5-LD-4040
• Toray TM710

Specifications for LG BW 4040 R

Permeate flow and salt rejection based:  2,000 ppm NaCl feed stream, 77°F (25°C), 15% recovery, pH7, and 225 psig (15.5 bar).  Permeate flows for individual elements may vary +/- 20%.

Operating Limits for LG BW 4040 R

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