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Brackish Water RO Membrane

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Brackish Water Ro Membrane Elements BW-8040-440

Brackish Water RO Membrane Elements BW-8040-440 specializes in desalination treatment for diverse water sources—covering brackish water, surface water, groundwater, and tap water—with a recommended operating condition of total dissolved solids (TDS) below 5000mg/L, ensuring stable and efficient water purification results. What sets it apart is its 440ft² large membrane area: this design enables higher water flow output while maintaining excellent rejection performance, effectively filtering impurities and salts to meet high-quality water standards. In terms of applications, it caters to multiple industrial and municipal needs: it is widely used for pure water preparation in the electronics, power, municipal drinking water, chemical, and pharmaceutical industries, perfectly matching the high-purity requirements of these sectors; moreover, it is also suitable for wastewater reuse projects and concentration projects, further expanding its practical application scenarios.

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Category Introduction

The Brackish Water Ro Membrane series is suitable for desalination and deep treatment of brackish water with a salinity below 10,000 ppm, surface water, groundwater, tap water, and municipal water.
It offers excellent desalination performance and high water yield.
It is widely used in municipal water supply, surface water reuse, boiler feed water, food industry water, coal chemical industry, papermaking, textile printing and dyeing, material concentration, and purification and refining.

Product Information

Model Stable Rejection  Min Rejection Permeate  Flow Effective Membrane Area Spacer Thickness
(%) (%) GPD(m³/d) ft2(m2) (mil)
BW-8040-440 99.7 99.5 12000(45.4) 440(40.9) 28
Testing Conditions Operating pressure 225psi( 1.55MPa)
Test solution temperature 25 ℃
Test solution concentration (NaCl) 2500ppm
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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