Low Energy RO Membranes

LG BW 4040 ES, Low Pressure Reverse Osmosis Membrane 

* Test Conditions : 2,000 ppm NaCl at 25°C (77°F), 150 psi (10.3 bar), pH 7, Recovery 15%. 
* Each membrane element may have ±20% variation of permeate flow.
* Minimum salt rejection 99.2%
* Pre-treatment must be used to protect the membrane (softener, antiscalant dosing pump, sand filter, carbon filter, 5 mic cartridge fitler ...etc).

• 4”x40” Low Pressure Brackish Water Membrane.
• high permeability at low feed pressure.
• Suitable for low to medium salinity brackish water.

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

It operates at Low Pressure (10.3 bar / 150 PSI) inlet feed water pressure.

LG BW 4040 ES Enery Saving BWRO membranes offer a combination of high rejection, high flow, low pressure feed water, reliability and durability,

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.   

All LG BWRO membranes provide superior performance along with intrinsic anti-fouling property and are suitable for applications where consistent and reliable performance is a must.     

Product Specifications:

Stabilized Salt Rejection: 99.5%*
Minimum Salt Rejection: 99.2%
Permeate Flow: 2500 gpd (9.5 m³/day)*
Membrane Area: 85 ft².
Diameter / Length: 4 inch / 40 inch.
*Test conditions: 2000 mg/l NaCl, 10.3 bar (150 psi), 25 °C (77 °F), pH 7, recovery rate 15%.
*Pre-treatment must be used to protect the membrane (softener, antiscalant dosing pump, sand filter, carbon filter, 5 mic cartridge fitler ...etc).   

Compatible with reverse osmosis membrane types:*

LG BW 4040 ES Membrane Element can be used as a replacement for the below membrane elements in your existing water treatment equipment.
FilmTec LC LE-4040 / Filmtec BW LE-4040 / GE Desal 4040 / Hydranautics ESPA2-LD-4040 / Toray TMG10D / CSM RE4040-BLN / Axeon HF1-4040.
*Check the data sheet for each membrane.   

Operation Conditions:

Max. working pressure:  600 psi (4.14MPa)
Max. Feed water flow:  16 gpm (3.6 m3/h)
Max. Temperature of Feed water:  45℃
Max. Feed water SDI (15 mins):  5.
Max. Feed Water Total Hardness: 10 ppm (softener or antiscalant should be used).
pH Range of Feed water during Continuous Operation:  2～11
pH Range of Feed Water during Chemical Cleaning:  2～12
Residual chlorine Concentration of feed water ＜0.1ppm Max.
Pressure drop of single membrane element:  15psi (0.1MPa)     

Commercial Application:

- Drinking water.
- Softened water for homes, hotels, commercial laundries and car wash.
- Spot free rinse for window cleaning and solar panel cleaning
- Pure water for pharmaceuticals, laboratories, Hemodialysis and electronics
- Sterilisers and autoclaves.
- Chemical industry.
- Aquarium water treatment.
- Boiler and cooling towers make-up water.
- Pure water, boiler water replenishment, foodstuff processing, and pharmaceutical production. 

Manufactured by: LG Chem, Korea. (assembled in china).

Download LG BW 4040 ES Technical Data Sheet

Commercial 4 inch x 40 inch Low Pressure Reverse Osmosis Membrane

* Test conditions: 1500 mg/l NaCl, 10.3 bar (150 psi), 25 °C (77 °F), pH 6.5-7.5, recovery rate 15%.
* Pre-treatment must be used to protect the membrane (softener, antiscalant dosing pump, sand filter, carbon filter, 5 mic cartridge fitler ...etc).
* Each membrane element may have ±20% variation of permeate flow rate.
* Minimum salt rejection 99.0%

Trilite BWLE-4040 commercial reverse osmosis membrane is suitable for water purification applications of water sources with salt concentration lower than 2000 ppm, such as surface water, underground water, tap water and municipal water.

Commercial 4 inch x 40 inch Low Pressure Reverse Osmosis Membrane

* Test conditions: 1500 mg/l NaCl, 10.3 bar (150 psi), 25 °C (77 °F), pH 7.5, recovery rate 8%.
* Pre-treatment must be used to protect the membrane (softener, antiscalant dosing pump, sand filter, carbon filter, 5 mic cartridge fitler ...etc).
* Each membrane element may have ±20% variation of permeate flow.
* Minimum salt rejection 99.0%

Vontron ULP 4040 commercial reverse osmosis membrane is suitable for water purification applications of water sources with salt concentration lower than 2000 ppm, such as surface water, underground water, tap water and municipal water.

Vontron ULP11-4040, 4 inch x 40 inch High Flow & Low Pressure Reverse Osmosis Membrane

* Test conditions: 1500 mg/l NaCl, 10.3 bar (150 psi), 25 °C (77 °F), pH 7.5, recovery rate 8%.
* Pre-treatment must be used to protect the membrane (softener, antiscalant dosing pump, sand filter, carbon filter, 5 mic cartridge fitler ...etc).
* Each membrane element may have ±20% variation of permeate flow.
* Minimum salt rejection 99.0%

4”x40” Hi Flow and Low Energy Membrane

2,700 gpd / 98% / 150 PSI

Recommended Where Hi Product Water Flow and Low Energy Consumption are needed

Vontron XLP11-4040, 4 inch x 40 inch Extremely Low Pressure Reverse Osmosis Membrane

4”x40” Extremely Low Pressure Membrane

2,000 gpd / 98% / 100 PSI

Designed for Low Salinity Inlet Water to Operate at Ultra Low Pressure (6.9 bar / 100 PSI)

TRILITE BWULE-4040, Ultr Low Pressure Reverse Osmosis Membrane

• Low operating pressure (approximately half of standard RO membranes)
• Reduced energy consumption
• Lower initial system cost (smaller pumps, piping, valves, and related equipment)
• Suitable for feed water with TDS < 1,000 ppm
• Applications: Drinking water, low-salinity industrial water, food and pharmaceutical industries

Test Conditions: 

1.  Operating Pressure 100psi (0.69Mpa / 7.03kgf/cm2)
2. Temperature 25℃ (77℉)
3. Tested at 500mg/L NaCl Solution.
4. pH 6.5~7.5 5.
5. Recovery Rate at 15%. 
6. Each membrane element may have ±20% variation of permeate flow rate

* Pre-treatment must be used to protect the membrane (softener, antiscalant dosing pump, sand filter, carbon filter, 5 mic cartridge fitler ...etc).

Designed for Low Salinity Inlet Water to Operate at Ultra Low Pressure (6.9 bar / 100 PSI)