Specialized Solution for Cleaner, Safer Water at Home
The Brackish Water RO Membrane Element-BW-8040-2 is crafted to meet the needs of homeowners and small-scale users who want cleaner water from brackish sources. Designed especially for moderate salinity water between 2000 and 8000 ppm, this membrane works well in residential and light commercial systems. You’ll benefit from its stable performance and compatibility with common water supplies typical of surface or groundwater, ensuring the water you use daily is safer and tastes better. This user-friendly element fits easily in standard reverse osmosis setups, making it accessible for efficient water purification without complex adjustments.
Advanced Technology Ensures Purity and Efficiency
Equipped with a large 400 ft² active membrane surface and a 28 mil concentration spacer, the Brackish Water RO Membrane Element-BW-8040-2 delivers crisp water output and strong salt rejection, up to 99.70%. It tolerates feedwater temperatures as high as 45°C and pressures up to 600 psi, providing dependable operation even under challenging conditions. Its free chlorine tolerance up to 0.1 mg/L helps reduce fouling risks, lengthening membrane life. The design supports flow rates up to 17 m³/h, enabling efficient water throughput for daily usage. These technical qualities combine to give you consistent water purification performance with minimal maintenance.
Versatile Applications for Everyday Water Needs
The Brackish Water RO Membrane Element-BW-8040-2 is a practical choice for treating brackish water from various sources, including surface water and groundwater in homes or small facilities. Whether for drinking, cooking, or appliance use, it ensures removal of harmful salts and impurities to improve water quality. Its durable construction and stable performance make it suitable for daily household water treatment systems, pilot installations for small water projects, or replacement parts to enhance existing RO setups. This element helps users maintain cleaner, safer water supplies with steady results in diverse domestic environments.
Product Advantages
Design Benefits Supporting Easy Integration
The Brackish Water RO Membrane Element-BW-8040-2 features a well-sized active membrane area and a 28 mil concentrate channel design that balances flow and rejection effectively, supporting smooth system integration. Its compact dimensions and compatibility with common housings allow straightforward installation in home reverse osmosis units. The membrane element’s tolerance for up to 600 psi pressure and 45°C temperature provides operational flexibility, while its chemical resistance supports routine cleaning without damage. This thoughtful design ensures that the element fits seamlessly into residential or light commercial water purification systems, promoting hassle-free maintenance and longevity.
Reliable Performance and User Convenience
With a salt rejection rate reaching up to 99.70%, the Brackish Water RO Membrane Element-BW-8040-2 consistently delivers high-quality permeate that improves taste and safety of drinking water. Its strong anti-fouling properties, combined with resistance to free chlorine, reduce the frequency of replacements and cleaning, adding ease for the user. Operating efficiently across a broad pH range means it adapts well to common household water conditions, ensuring steady output day after day. Overall, the membrane element offers homeowners improved water clarity and peace of mind, making reverse osmosis water treatment an accessible, dependable option.
It is applicable to the desalination of surface water, groundwater and water treatment with salt concentration between 2000 and 8000ppm. It can be widely used in the medicine, chemical industry, beverage, electricity and other various industries etc..
SPECIFICATIONS & PARAMETERS
| Model |
Active Membrane
Area ft2(m2) |
Concentrate Channel
Spacer (mil) |
Permeate Flow
GPD(m3/d) |
Stable Rejection
Rate (%) |
Minimum Rejection
Rate (%) |
| BW-8040-2 |
400(37.2) |
28 |
10500(39.7) |
99.70 |
99.60
|
| Concentration of Solution (NaCl) |
Temperature（℃） |
pH Value |
Operating Pressure psi(MPa) |
Recovery Rate（%） |
| 2000mg/L |
25 |
7.5-8 |
225(1.55) |
15 |
| Max.Working Pressure |
600 psi(4.14MPa) |
| Max. FeedWater Temperature |
45 ℃ |
| Max. FeedWaterSDI15 |
5.0 |
| Max. Feed Water Flow |
17m3/h |
| Free Chlorine Concentration of FeedWater |
0.1mg/L |
| pH Range of FeedWaterDuring Continuous Operation |
3-10 |
| pH Range of FeedWaterDuring Chemical Cleaning |
1-13 |
| Max. Pressure Drop of Single Membrane Element |
15psi(0.1Mpa)
|
Use Scenarios
Residential Water Purification from Brackish Groundwater
In home settings with access to brackish groundwater, the Brackish Water RO Membrane Element-BW-8040-2 plays a key role in removing dissolved salts and impurities that affect water quality. It is designed to operate within the typical salinity ranges of 2000–8000 ppm found in such water sources, ensuring compliance with household safety and taste standards. The element integrates easily into point-of-use reverse osmosis units, enhancing daily water quality for drinking and cooking. Its technical capabilities, including tolerance of common feed water conditions and stable salt rejection, provide reliable filtration, helping families access safer water while supporting easy system upkeep.
Pilot Testing and System Upgrade for Local Water Solutions
For small community water projects or pilot tests involving brackish water desalination, the Brackish Water RO Membrane Element-BW-8040-2 offers dependable and scalable filtration performance. It supports system scale-up by delivering consistent permeate flow and high salt rejection under controlled pressure and temperature conditions. This capability helps technicians validate system designs and optimize operation before broader deployment. Its compatibility with standard modules and resistance to fouling enable smooth integration into existing trains, facilitating maintenance and replacement activities. Thus, the element supports both experimentation and practical upgrade paths in localized water treatment applications.
FAQ
What is BW-8040-2 primarily used for?
The Brackish Water RO Membrane Element-BW-8040-2 is a high-performance membrane designed for brackish water desalination, delivering high rejection and substantial flux. It features a 400 ft2 active area and a 28 mil spacer, enabling permeate flows up to 10500 GPD (39.7 m3/d) at pressures up to 600 psi and temperatures to 45 C. It tolerates free chlorine up to 0.1 mg/L and continuous operation from pH 3–10 (1–13 during cleaning). This makes the BW-8040-2 suitable for new BWRO trains or replacements in existing systems.
What water quality range is it suited to treat?
For brackish feed with TDS typically 2000–8000 ppm, the Brackish Water RO Membrane Element-BW-8040-2 provides reliable desalination with stable rejection and substantial flux. It maintains up to 99.70% rejection, supports a 400 ft2 active area, and delivers up to 39.7 m3/d of permeate. Tolerances include SDI15 up to 5.0, free chlorine 0.1 mg/L, pH 3–10 (1–13 during cleaning), max 600 psi and 45 C, suitable for surface or groundwater sources.
Can BW-8040-2 be used as a replacement in existing BWRO trains?
Yes. The BW-8040-2 is designed for system design, scale-up, and replacement/maintenance in BW RO trains. With 400 ft2 active area and a 28 mil spacer enabling up to 10500 GPD, it can fit into many BWRO configurations and OEM modules. It supports testing with feedwater in the 2000–8000 ppm TDS range and can be deployed in pilot or production lines, aiding seamless upgrades.
What installation and maintenance considerations are important?
Key operating limits include a maximum pressure of 600 psi and a feed water temperature up to 45 C. Continuous operation tolerates pH 3–10 (1–13 during cleaning) and SDI15 up to 5.0, with free chlorine tolerance of 0.1 mg/L. Proper pretreatment minimizes fouling, and following the recommended cleaning and monitoring schedules sustains performance of the Brackish Water RO Membrane Element-BW-8040-2 in any BWRO system.
