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Extreme Low Pressure RO Membrane

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Extreme Low Pressure RO Membrane Elements XLP-8040-400

Extreme Low Pressure RO Membrane Elements XLP-8040-400 is a high-performance reverse osmosis membrane specifically designed for desalination treatment of multiple water sources, including surface water, groundwater, and municipal tap water; it is particularly recommended for water bodies with a total dissolved solids (TDS) content of less than 1000 ppm, ensuring stable and efficient desalination effects in such water quality environments. Its application scenarios cover a wide range of water treatment needs: it can be used for pure water production in industrial or commercial settings, as a core component in bottled drinking water production lines to guarantee water safety and purity, and also serves as an ideal choice for the secondary water supply link in two-stage membrane systems, effectively improving the overall water treatment efficiency and quality of the system. In terms of performance, this membrane element stands out with low energy consumption, high water production, extremely low operating pressure, and excellent rejection performance.

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Category Introduction

The Extreme Low Pressure RO Membrane series is designed specifically for treating low-salinity water sources. It is suitable for surface water, groundwater, tap water, and municipal water supplies with salinity levels below 1000 ppm. This product is particularly suitable for use as the second desalination stage in a two-stage reverse osmosis system.

Using ultra-low pressure reverse osmosis membranes, the system maintains high water flux and salt rejection at extremely low operating pressures, reducing the performance requirements of equipment such as high-pressure pumps, pressure piping, and membrane housings, thereby reducing system energy consumption and operating costs. This characteristic makes ultra-low pressure reverse osmosis membranes widely used in various industries, including packaged drinking water, food processing, pharmaceutical manufacturing, and boiler feed water treatment.

Product Information

Model Stable Rejection  Min Rejection Permeate  Flow Effective Membrane Area Spacer Thickness
(%) (%) GPD(m³/d) ft2(m2) (mil)
XLP-8040-400 98 97.5 12000(45.4) 400(37.2) 34
Testing Conditions Operating pressure 100psi(0.69 MPa)
Test solution temperature 25 ℃
Test solution concentration (NaCl) 500ppm
PH value  7-8
Recovery rate of a single membrane element 15%
Flow range of a single membrane element ±15%
Operating Conditions & Limits Maximum operating pressure 600 psi(4.14MPa)
Maximum temperature 45 ℃
Maximum feedwater flow Maximum feedwater flow: 8040-75gpm(17m3/h)
Maximum feedwater flow SDI15 5
Maximum concentration of free chlorine: <0.1ppm
Allowed pH range for chemical cleaning 2-11
Allowed pH range for feedwater in operation 1-13
Maximum pressure drop per element 15psi(0.1MPa)
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