Hydranautics SWC5-LD Membrane

Product Description

Lower fouling for maximum performance. Hydranautics has over two decades of experience in desalination and over 1.7 million cubic meters (461 million gallons per day) of seawater treated by their SWC (seawater composite) membranes. SWC seawater desalination membranes are available in high productivity 8-inch and 4-inch elements, all offering the highest levels of salt rejection and a consistently pure end product. Membrane formulations are designed to accommodate varying levels of seawater salinities worldwide with reliable field-proven performance.

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SWC5-LD Specifications:

Permeate Flow: 9,000 gpd (34.1m³/d)
Salt Rejection: 99.8% (99.7% minimum)
Boron Rejection (Typical): 92.0%
Configuration: Low Fouling Spiral Wound
Membrane Polymer: Composite Polyamide
Membrane Active Area: 400ft² (37.1m²)
Feed Spacer: 34 mil (0.864 mm) with biostatic agent

The stated performance is initial (data taken after 30 minutes of operation), based on the following conditions:

32,000ppm NaCl
800psi (5.5 MPa) Applied Pressure
77°F (25°C) Operating Temperature
10% Permeate Recovery
6.5 - 7.0 pH Range

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Standard Operating Limits:

Maximum Applied Pressure: 1200 psig (8.27 MPa)
Maximum Chlorine Concentration: < 0.1 PPM
Maximum Operating Temperature: 113°F (45°C)
pH Range, Continuous (Cleaning): 2-11 (1-13)
Maximum Feedwater Turbidity: 1.0 NTU
Maximum Feedwater SDI (15 mins): 5.0
Maximum Feed Flow: 75 GPM (17.0 m³/h)
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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Seawater Desalting
Broad Offering of Membrane Formulations Designed to Accommodate Varying Levels of Seawater Salinities Worldwide

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Hydranautics SWC5-LD Membrane

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(1 review) Write a Review

5
Terrific product. Gets the job done in removing organic substances from my water supply with low maintenance required.

Posted by Beequer A. on Jul 8th 2018

Solid leak performance!