POLYMEX SW-8040HR is an 8040-size seawater reverse osmosis membrane designed for seawater desalination and high-TDS water treatment. It provides 400 ft² (37.2 m²) active membrane area, 6,500 GPD (24.6 m³/day) permeate flow, and 99.8% stabilized salt rejection.
POLYMEX SW-8040HR is a high-rejection seawater reverse osmosis membrane element designed for seawater desalination and the treatment of high-salinity water. The membrane features 400 ft² (37.2 m²) of active membrane area and delivers a nominal permeate flow of 6,500 GPD (24.6 m³/day). With a stabilized salt rejection of 99.8%, the SW-8040HR is suitable for applications requiring high desalination performance and reliable salt removal. It can be used for seawater desalination, high-salinity wastewater treatment, landfill leachate and sewage wastewater treatment, concentration applications, and minimal or zero liquid discharge systems.
Model: SW-8040HR Capacity: 6,500 GPD (24.6 m³/day)
Membrane Type: Seawater Reverse Osmosis (SWRO) Element Size: 8040 Active Membrane Area: 400 ft² (37.2 m²) Permeate Flow: 6,500 GPD (24.6 m³/day) Stabilized Salt Rejection: 99.8% Minimum Salt Rejection: 99.75% Feed Spacer Thickness: 28 mil Standard Test Feed: 32,000 mg/L NaCl Test Pressure: 800 psi (5.5 MPa) Test Temperature: 25°C Test pH: 7.5–8.0 Test Recovery: 8% Maximum Operating Pressure: 1,200 psi (8.3 MPa) Maximum Feed Temperature: 45°C Maximum Feed Flow: 17.0 m³/h Maximum Feed SDI15: 5.0 Free Chlorine Tolerance: <0.1 mg/L Continuous Feed pH Range: 3–10 Chemical Cleaning pH Range: 1–13 Maximum Element Pressure Drop: 15 psi (0.1 MPa)
High salt rejection up to 99.8% 400 ft² active membrane area 6,500 GPD permeate capacity 8040 industrial membrane configuration Designed for high-salinity feed water Suitable for seawater desalination Stable and durable membrane performance Suitable for high-TDS wastewater applications
Seawater desalination High-TDS water treatment High-salinity wastewater treatment Landfill leachate treatment Sewage wastewater treatment RO concentrate treatment High-salinity wastewater concentration Minimal Liquid Discharge (MLD) Zero Liquid Discharge (ZLD) systems
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