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Brackish Water RO Membrane

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Brackish Water RO Membrane Elements BW-8040-400

Brackish Water Ro Membrane Elements BW-8040-400 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.  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 (facilitating water resource recycling) and concentration projects (supporting efficient material separation), further expanding its practical application scenarios. is a professional desalination solution designed for multiple water sources, including brackish water, surface water, groundwater, and tap water, with a recommended working condition of total dissolved solids (TDS) less than 5000mg/L to ensure stable and efficient treatment performance. Its application scope covers a wide range of industrial and municipal needs: it is widely used in the preparation of pure water for the electronics, power, municipal drinking water, chemical, and pharmaceutical industries, effectively meeting the high-purity water requirements of different sectors; additionally, it is also applicable to wastewater reuse projects (realizing resource recycling) and concentration projects (supporting efficient material separation), further expanding its practical value. Adhering to industry standards for reliable operation, it not only guarantees consistent production of high-quality water but also balances efficiency and cost-effectiveness, making it a versatile choice for diverse brackish water treatment 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-8040-400 99.7 99.5 10500(39.7) 400(37.2) 34
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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