Precise Membrane Solution for High-Salinity Water Treatment
The Sea Water Desalination Membrane Element-SW-4040HR is engineered for use by water treatment professionals managing seawater and high-salinity brackish water purification. Targeted for integration into standard 4040 housings, this membrane element supports industries requiring reliable desalination performance under demanding conditions. Operators and system designers benefit from a product tailored to achieve high salt and boron removal efficiencies, streamlining reverse osmosis system upgrades and new deployments focused on seawater desalination and related challenging feedwater compositions.
Advanced Technical Specifications Enhancing Filtration Efficiency
Featuring an active membrane area of 85 ft2 (7.9 m2) and designed for feed pressures up to 1200 psi (8.3 MPa), the Sea Water Desalination Membrane Element-SW-4040HR delivers permeate flow rates up to 1500 GPD (5.7 m3/d). It balances high flux with rejection through a 28 mil concentrate channel spacer, maintaining a consistent salt rejection rate near 99.75% and boron rejection exceeding 90%. The element tolerates feed water temperatures of up to 45°C and operates within a continuous pH range of 3 to 10, ensuring stable and durable performance across a range of reverse osmosis desalination scenarios.
Applications in Industrial and Environmental Desalination Projects
This membrane element plays a critical role in seawater desalination plants, brackish water purification for coastal facilities, and in the concentration and recycle of high-salinity wastewater streams. Its compatibility with standard 4040 housing makes it ideal for system upgrades and pilot-scale testing initiatives. The Sea Water Desalination Membrane Element-SW-4040HR supports operational efficiencies and environmental compliance by enabling consistent removal of salts and boron, enhancing water reuse opportunities and reinforcing sustainable water management solutions across diverse industry sectors.
Product Advantages
Robust Structural Design and System Integration Capabilities
The Sea Water Desalination Membrane Element-SW-4040HR incorporates a thoughtfully engineered 4040-size configuration allowing seamless integration into prevalent reverse osmosis system housings. Its 28 mil concentrate channel spacer optimizes flow dynamics, reducing fouling potential and pressure drops up to 15 psi per element. This design supports high-pressure operation up to 1200 psi, while its chemical and temperature tolerances enable compatibility with rigorous cleaning protocols and diverse feedwater qualities. These structural advantages facilitate ease of retrofit and modular scaling within established desalination infrastructures.
Reliable Performance and Operational Excellence for Users
End users benefit from the Sea Water Desalination Membrane Element-SW-4040HR’s high permeate throughput and exceptional salt rejection stability, providing operational reliability in demanding seawater applications. The membrane’s ability to maintain high boron removal enhances product water quality. Its tolerance to variable feed conditions and straightforward installation in standard housings reduces downtime and maintenance complexity. This combination of performance and usability ensures cost-effective water purification with minimized operational risk, suitable for both new system implementations and membrane replacements.
It is applicable to the desalination of raw water with salt concentration between 15000ppm and 40000ppm, and make removal for the boron is more than 90%. This membrane model was widely applied to the desalination of sea water and high concentration brackish water, concentration and recycle treatment for high salt wastewater.
| Model | Active Membrane Area ft2(m2) |
Concentrate Channel Spacer (mil) |
Permeate Flow GPD(m3/d) |
Stable Rejection Rate (%) |
Minimum Rejection Rate (%) |
| SW-4040HR | 85(7.9) | 28 | 1500(5.7) | 99.75 | 99.70 |
| Concentration of Solution (NaCl) | Temperature(℃) | pH Value | Operating Pressure psi(MPa) | Recovery Rate(%) |
| 32000mg/L | 25 | 7.5-8 | 800(5.5) | 8 |
| Max.Working Pressure | 1200 psi(8.3MPa) |
| Max. FeedWater Temperature | 45 ℃ |
| Max. FeedWaterSDI15 | 5.0 |
| Max. Feed Water Flow | 3.6m3/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) |