Energy-efficient low-pressure reverse osmosis ELP series membrane elements
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  • Energy-efficient low-pressure reverse osmosis ELP series membrane elements

Energy-efficient low-pressure reverse osmosis ELP series membrane elements

ELP-series membrane elements are suitable for desalination of surface water, groundwater, and municipal tap water with a salt content of 2,000 mg/L or less, and are widely used in applications such as bottled water production, boiler feedwater, and the preparation of high-purity water in the semiconductor industry.
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Reverse Osmosis Membrane Elements

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详情 Detailed description

(1) Product Positioning

ELP-series membrane elements are suitable for desalination of surface water, groundwater, and municipal tap water with a salt content of 2,000 mg/L or less, and are widely used in applications such as bottled water production, boiler feedwater, and the preparation of high-purity water in the semiconductor industry.

(2) Product Features

The ELP series membrane elements operate at approximately two-thirds the pressure of conventional brackish‑water membranes, with a desalination rate of 99.5%, and can achieve the same high water production and high desalination performance as conventional brackish‑water membranes under ultra‑low operating pressures.

(3) Product Performance

Model number Average water production 
GPD(m 3 /d)

Stable desalination rate

(%)

Minimum desalination rate

(%)

Effective membrane area ft 2

(m 2)

Inlet grid thickness

(mil)
ELP-8040 10500 (39.8) 99.5 99.2 400 (37.2) 31
ELP-8040-440 12000 (45.4) 99.5 99.2 440 (40.9) 28
ELP-4040 2400 (9.0) 99.5 99.2 85 (7.9) 31

(a) Standard test conditions: 1500 ppm NaCl, 150 psi (1.03 MPa), 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 3~10
Maximum inflow rate 17.0 m³/h (8040), 3.6 m³/h (4040) pH range of the feed water during chemical cleaning 1~12
Maximum water intake 5 Maximum allowable pressure drop per single membrane element 15 psi (0.1 MPa)

Keywords: Energy-efficient low-pressure reverse osmosis ELP series membrane elements

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