SWC-2521 Hydranautics RO Membrane


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SWC membranes come in a range of innovative formulations suitable for varying degrees of seawater salinity. Each offers the highest productivity and salt rejection rates in the industry combined with the optimized flow, low fouling and low energy consumption.


Permeate Flow: 220gpd (0.8 m3/d)
Salt Rejection: 99.4 % (99.0 % minimum)


Configuration: Spiral Wound
Membrane Polymer: Composite Polyamide
Membrane Active Area: 9.9 ft2

Application Data

Maximum Applied Pressure: 1,000 psig (6.9 MPa)
Maximum Chlorine Concentration: < 0.1 PPM
Maximum Operating Temperature: 113° F (45°C)
pH Range; Continuous (Cleaning): 3.0 –10.0*
Maximum Feedwater Turbidity: 1.0 NTU
Maximum Feedwater SDI (15 mins): 4.0
Maximum Feed Flow: 6 GPM (23 l/m)
Minimum Ratio of Concentrate to
Permeate Flow for any element: 5:1
Maximum Pressure Drop for Each Element: 10 psi
* The limitations shown here are for general use. For specific projects, operating at more conservative values may ensure the best performance and longest life of the membrane. See Hydranautics Technical Bulletins for more detail on operation limits, cleaning pH, and cleaning temperatures.

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