RO Membrane

Brackish Water Reverse Osmosis (RO) Membranes
LG BW 4040 ES

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. Incorporating innovative Thin Film Nanocomposite (TFN) technology, 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.

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, ft² (m²)
Permeate flow rate,
GPD (m³/d)
Stabilized Salt
Rejection, %
Minimum Salt
Rejection, %
Feed Spacer,
mil
85 (7.9) 2,500 (9.5) 99.5 99.2 28

 

A,
mm (in.)
B,
mm (in.)
C,
mm (in.)
D,
mm (in.)
Weight
kg (lbs.)
1,016
(40)
100
(3.9)
19
(0.75)
29
(1.1)
4.0
(8.8)

 

Operating Specifications 

Max. Applied 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 mins) 5.0
Max. Feed flow 16 gpm (3.6 m³/h)
Max. Pressure drop (ΔP) for each element 15 psi (1.0 bar)

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