Targeted Water Treatment for Varied Users
The High Flux Nanofiltration Membrane Element NF1-4040R is engineered for users seeking precise water purification solutions across industrial and municipal applications. It targets operators managing systems requiring selective removal of polyvalent ions while preserving essential monovalent ions, balancing quality and operational efficiency. This membrane element suits medium to large-scale installations aiming for energy-efficient filtration, including drinking water plants, wastewater treatment facilities, and boiler feedwater systems. Its design facilitates straightforward integration within existing NF or RO configurations, making it accessible for water treatment professionals and engineers focused on process optimization and sustainability.
Technical Performance and Operational Specifications
Designed for robust operational conditions, the High Flux Nanofiltration Membrane Element NF1-4040R achieves high flux performance while operating at lower pressure levels to reduce energy consumption. It supports a maximum feed water pressure of 600 psi and can handle temperatures up to 45°C, ensuring resilience in demanding water chemistries. The element exhibits selective removal capabilities, effectively rejecting polyvalent ions with partial retention of monovalent ions to enhance post-treatment water quality. Tolerance to free chlorine at 0.1 mg/L and a broad pH range (3–10 continuous; 1–13 chemical cleaning) extends its usability across diverse feed water sources. These specifications empower operators to predict recovery rates reliably and maintain permeate consistency over sustained use.
Industry Applications and Practical Integration
The NF1-4040R membrane element finds extensive application in desalination of direct drinking water, spring water, and boiler makeup water, as well as in management of high-salt wastewater streams requiring decolorization and salt reduction. Its role extends to brackish water pretreatment for reverse osmosis systems and process water purification where removal of polyvalent ions is critical. The element’s robust industrial construction and compatibility with established pretreatment and post-treatment stages support seamless workflow integration. This results in optimized system performance, reduced operational risks, and regulatory compliance in industries such as beverage production, pharmaceuticals, and municipal water treatment.
Product Advantages
Structural and Design Benefits of the Membrane Element
The High Flux Nanofiltration Membrane Element NF1-4040R features a modular design optimized for seamless integration into standard NF and RO treatment lines. Its industrial-grade construction ensures mechanical stability under up to 600 psi feed pressures, enhancing longevity in diverse operational settings. The membrane architecture enables selective ion separation, which increases purification precision without compromising flow rates. Designed for user-friendly installation and maintenance, the element’s compatibility with various pretreatment systems allows for versatile deployment. Material selection and manufacturing consistency contribute to stable rejection characteristics and reliable permeability, making it a structurally sound solution adaptable to evolving water treatment demands.
Performance Efficiency and User-Centered Value
Operating at relatively low pressure levels, the NF1-4040R membrane element delivers significant energy savings while maintaining high filtration flux. Its selective ion removal capability reduces scaling and fouling potential, limiting maintenance frequency and prolonging service life. Users benefit from predictable recovery performance and consistent permeate quality, ensuring process reliability. The membrane tolerates a wide pH range and minor free chlorine exposure, adding flexibility for different feed water chemistries. These attributes translate into enhanced operational efficiency and cost savings, improving the overall lifecycle value for water treatment facilities and operators aiming for sustainable purification solutions.
It is applicable to the desalination of direct drinking water, spring water, boiler water, also desalination and decolorization of wastewater with high salt concentration.
SPECIFICATIONS & PARAMETERS
| Model |
Active Membrane
Area ft2(m2) |
Permeate Flow
GPD(m3/d) |
Stable Rejection
Rate (%) |
Solution Type |
| NF1-8040R |
400(37.2) |
11000(41.6) |
50-70 |
NaCl |
| 9000(34.0) |
>99 |
MgSO4 |
| Concentration of Solution |
Temperature（℃） |
pH Value |
Operating Pressure psi(MPa) |
Recovery Rate（%） |
| 500mg/L NaCl |
25 |
7.5-8 |
70(0.48) |
15 |
| 2000mg/L MgSO4 |
25 |
7.5-8 |
70(0.48) |
15 |
| Max.Working Pressure |
600 psi(4.14MPa) |
| Max. FeedWater Temperature |
45 ℃ |
| Max. Feed Water Flow |
17.0m3/h |
| Max. FeedWaterSDI15 |
5.0 |
| Free Chlorine Concentration of FeedWater |
0.1mg/L |
| pHRange of FeedWaterDuring Continuous Operation |
3-10 |
| pHRange of FeedWaterDuring Chemical Cleaning |
1-13 |
| Max. Pressure Drop of Single Membrane Element |
15psi(0.1Mpa)
|
Use Scenarios
Desalination in Municipal Drinking Water Systems
In municipal water treatment plants, the High Flux Nanofiltration Membrane Element NF1-4040R plays a crucial role in improving water quality by selectively eliminating polyvalent ions while retaining essential monovalent ions. Its low-pressure operation supports energy-efficient processing, conforming to regulatory standards for potable water. The membrane's robust construction withstands variable feed water conditions typical of surface and groundwater sources, ensuring long-term operational stability. Integration into existing NF or RO treatment trains enables optimized workflows by reducing fouling load and enhancing permeate clarity. This results in improved public health protection and consistent water supply quality within municipal infrastructures.
Industrial Wastewater Desalination and Decolorization
In industrial settings, especially within sectors producing high-salt wastewater, the NF1-4040R membrane element serves as a key component in desalination and decolorization processes. Its capacity to selectively remove polyvalent ions supports compliance with stringent discharge regulations and permits water reuse strategies. The element's tolerance to various pH levels and feed water contaminants allows it to handle complex effluents efficiently. When incorporated into multi-stage treatment systems, it enhances overall plant efficiency by lowering chemical consumption and reducing scaling risks. This improves operational uptime and cost-effectiveness in industries such as chemical manufacturing, food processing, and textile production.
FAQ
What are the operating limits of the NF1-4040R membrane?
The High Flux Nanofiltration Membrane Element -NF1-4040R supports industrial use with a max working pressure of 600 psi (4.14 MPa) and max feed water temperature of 45 °C. Continuous pH 3–10 (1–13 during chemical cleaning) and free chlorine tolerance up to 0.1 mg/L are specified, with a maximum 15 psi pressure drop per element. It enables selective removal of polyvalent ions with partial monovalent retention and is designed for easy integration into standard NF/RO lines to save energy. For exact data, request the specification sheet.
Can NF1-4040R be customized for different feed water chemistries?
The product page notes that exact specifications may vary by configuration, and customization options should be discussed with the supplier. The High Flux Nanofiltration Membrane Element -NF1-4040R is intended for integration into standard NF/RO configurations, but precise chemistry customization requires a direct discussion with the supplier and review of the official specification sheet.
How is the NF1-4040R integrated into NF/RO treatment lines?
The NF1-4040R is engineered for easy integration into standard NF/RO treatment configurations, delivering high flux and energy efficiency. It operates under low pressures and features robust construction suitable for challenging feedwaters. Installations should align pretreatment, post-treatment, and recovery goals with the system design; consult the specification sheet and supplier for layout guidance. The High Flux Nanofiltration Membrane Element -NF1-4040R supports straightforward line integration.
What warranty and service support are available for NF1-4040R membranes?
Warranty terms and service support are not specified on the product page; please contact the supplier for exact terms. The High Flux Nanofiltration Membrane Element -NF1-4040R line is backed by quality manufacturing controls, with stable rejection and permeate quality when paired with proper pretreatment and post-treatment steps. For precise coverage, request official terms from the supplier.
