LG RO Membrane BW400 R

Introducing the LG BW 4040 R membrane, a state-of-the-art Brackish Water Reverse Osmosis (RO) Membrane by LG Chem. Engineered with NanoH2O™ technology, these membranes are at the forefront of innovation, serving diverse municipal and industrial applications worldwide. As a proud product of LG Chem, the LG BW 4040 R boasts efficiency, reliability, and ease of integration into both existing and new RO plants.


LG Brackish Water RO Membrane – LG BW 4040 R

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. 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.

    1. LG Chem’s brackish water RO membranes lower the cost of desalination by improving energy efficiency and productivity. These thin-film nanocomposites (TFN) membranes feature benign nanomaterials incorporated into the thin-film polyamide layer of a composite membrane.
    2. This innovative patented and patent-pending technology significantly increases membrane permeability while offering superior salt rejection.
    • Matches industry-standard flux and rejection
    • Easy to retrofit existing systems
    • Well suited for low-quality feed water or varying operating conditions




    Weight 9 lbs
    Dimensions 40 × 4 × 4 in
    Brand LG Chem
    Type High Rejection
    Stabilized Salt Rejection percentage 99.60%
    Minimum Salt Rejection percentage 99.30%
    Max Pressure psi 600
    Max Pressure bar 41
    Max Temperature ?C 45
    Max Temperature ?F 113
    Membrane Active Area ft2 85
    Membrane Active Area m2 7.9
    Flow gpd 2, 500
    Max Feed Flow gpm 16
    Flow m3/h 3.6
    pH range 11-Feb
    Length in inch 40
    Length in mm 1016
    Carton shipping weight in lbs 4
    Carton shipping weight in kg 8.8
    Application Brackish Water Reverse Osmosis