Brackish Water Reverse Osmosis (RO) Membranes

Brackish Water Reverse Osmosis (RO) Membranes

Brackish Water Reverse Osmosis (RO) Membranes

LG BW 4040 UES membranes provide effective brackish water desalination with Thin Film Nanocomposite technology, with high permeability at low pressure to reduce operating costs while maintaining water quality. Ideal for new or existing RO plants, with proven reliability worldwide.
SKU
LG BW 4040 UES
Categories:
Membranes and membrane housings
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LG Chem NanoH₂O™ brackish water RO membranes serve many municipal and industrial applications. LG BWRO technology has been combined with the innovative Thin Film Nanocomposite (TFN) technology, and is available in a standard configuration that is easy to integrate into existing or new RO plants. Customers in more than 50 countries have already tested the performance and high quality of LG BWRO membranes, which brings them back again.

LG BW UES membranes offer high permeability at very low pressure while maintaining water quality, greatly reducing operating costs in brackish water desalination systems.

Product specifications

  • Active membrane area:
    85 ft² (7.9 m²)

  • Permeate flow rate:
    2,700 gallons/day (10.2 m³/day)

  • Stabilized salt rejection:
    99.0%

  • Minimum salt rejection:
    98.0%

  • Feed spacer thickness:
    28 mil


🔴 Element dimensions

  • A: 1,016 mm (40 in)

  • B: 100 mm (3.9 in)

  • C: 19 mm (0.75 in)

  • D: 29 mm (1.1 in)

  • Weight: 4.0 kg (8.8 lb)


🔴 Test conditions

  • NaCl concentration: 500 ppm

  • Pressure: 275 psi (6.9 bar)

  • pH: 7

  • Recovery: 15%

  • Note: the permeate flow of each element may vary by less than 15% from the value given in the data sheet.


🔴 Operating limits

  • Max. applied pressure: 600 psi (41 bar)

  • Max. chlorine concentration: Less than 0.1 ppm

  • Max. operating temperature: 45 °C (113 °F)

  • pH range (continuous operation): 2 - 11 (cleaning: 1 - 12)

  • Max. feed water turbidity: 1.0 NTU

  • Max. feed water SDI (15 min): 5.0

  • Max. feed water flow: 16 gpm (3.6 m³/h)

  • Max. pressure drop (ΔP) per element: 15 psi (1.0 bar)