Hydranautics SWC5 LD-4040 Seawater Membrane

SWC5 LD-4040 seawater membranes feature Hydranautics LD Technology™ has high performance RO technology that helps reduce fouling from colloidal particles and biological growth. LD Technology uses proprietary feed spacers to reduce bio-growth. This innovative feed spacer design prevents trapping of small colloidal particles and improves the effectiveness of cleanings.

  • High permeate flow
  • Permeate Flow: 1,750 gpd (6.62 m3/d)
  • High salt rejection – 99.8% (99.7% minimum)
  • 92% boron rejection
  • Lower energy consumption

Description

Hydranautics SWC seawater desalination membranes are high productivity elements 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.

  • General Product Description
  • Configuration: Low Fouling Spiral Wound
  • Membrane Polymer: Composite Polyamide
  • Membrane Active Area**: 80 ft2 (7.43 m2)
  • Feed Spacer: 34 mil (0.864 mm)

 

Packaging: All membrane elements are supplied with a brine seal, inter connector, and O-rings. Elements are enclosed in a sealed polyethylene bag containing less than 1.0% sodium meta-bisulfite solution, and then packaged in a cardboard box.

Test Conditions

  • 32,000 ppm NaCl solution
  • 77°F (25°C) Operating Temperature
  • 10% Permeate Recovery
  • 6.5-7.0 pH Range

Application Data

  • Maximum Applied Pressure: 1200 psig (8.27 MPa)
  • Maximum Chlorine Concentration: < 0.1 ppm
  • Maximum Operating Temperature: 113 0F (45 0C)
  • pH Range, Continuous (Cleaning): 2-11 (1-13)
  • Maximum Feedwater Turbidity: 1.0 NTU
  • Maximum Feedwater SDI (15 mins): 5.0
  • Maximum Feed Flow: 16 gpm (3.6 m3/h)
  • Maximum Pressure Drop for Each Element: 15 psi (0.10 MPa)

Applications

  • Seawater desalting
  • Broad offering of membrane formulations designed to accommodate varying levels of seawater salinities worldwide

 

The SWC5-LD 4040 Seawater Reverse Osmosis membrane from Nitto Denko Corporation – Hydranautics combines the best of the seawater desalination technology with the cutting edge of the low fouling LD Technology™. The SWC5-LD gives you the highest flow rates, highest ion rejection and the lowest energy consumption combined with reduced biological and colloidal fouling. The Hydranautics SWC5-LD is the most suitable membrane for desalination applications for conventional as well as hybrid plants. The SWC5-LD offers the same performance as the SWC5 with additional low fouling characteristics and superior salt and boron rejection with low operating pressures.

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