Brackish Water Reverse Osmosis BW Series Membrane Elements
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  • Brackish Water Reverse Osmosis BW Series Membrane Elements

Brackish Water Reverse Osmosis BW Series Membrane Elements

BW-series membrane elements are suitable for desalination of brackish water, surface water, groundwater, and municipal tap water with a total dissolved solids content of 10,000 mg/L or less, and are widely used in industrial ultrapure water production at various scales, brackish water desalination, and advanced treatment for reclaimed water reuse, among many other applications.

详情 Detailed description


(1) Product Positioning

BW-series membrane elements are suitable for desalination of brackish water, surface water, groundwater, and municipal tap water with a salt content of 10,000 mg/L or less, and are widely used in industrial ultrapure water production at various scales, brackish water desalination, and advanced treatment for reclaimed water reuse, among many other applications.

(2) Product Features

BW-series membrane elements feature low-pressure operation, high water production, high desalination efficiency, and robust durability, while also effectively removing TOC and SiO from the feed water. 2 It exhibits excellent removal performance.

(3) Product Performance

Model number Average water production GPD(m3/d) Stable desalination rate (%) Minimum desalination rate (%) Effective membrane area ft2 (m2) Inlet grid thickness (mil)
BW-8040 10500 (39.7) 99.6 99.4 400 (34) 34
BW-4040 2700 (10.2) 99.5 99.3 85 (7.9) 28

(a) Standard test conditions: 2000 ppm NaCl, 225 psi (15.5 bar), 25°C, pH = 7–8, recovery rate of 15%.

(b) The water production of a single membrane element may vary within a range of ±15%.

(c) Operating and Cleaning Limits

Maximum operating pressure 600 psi (4.14MPa) Permitted free chlorine concentration < 0.1 ppm
Maximum inlet water temperature 45℃ Influent pH range during continuous operation 2~11
Maximum inflow rate 17.0m3 /h (8040), 3.6m 3 /h (4040) pH range of the feed water during chemical cleaning 1~13
Maximum feed water SDI15 5 Maximum allowable pressure drop per single membrane element 15 psi (0.1 MPa)

Keywords: Brackish Water Reverse Osmosis BW Series Membrane Elements

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