ESNA1-LF-4040 Hydranautics Membrane
Performance
- Permeate Flow: 1,750 gpd (6.6 m3/d)
- CaCl2 Rejection*(Nominal): 91%
- CaCl2 Rejection (minimum/maximum) 84%/96%
* Expected calcium rejection for a typical 500 ppm well water is 96% at 13 gfd operating flux and 25 C.
Type
- Configuration: Spiral Wound
- Membrane Polymer: Composite Polyamide
- Nominal Membrane Area: 85 ft2
Application Data*
- Maximum Applied Pressure: 600 psig (4.16 MPa)
- Maximum Chlorine Concentration: < 0.1 PPM
- Maximum Operating Temperature: 113 °F (45 °C)
- Feedwater pH Range: 3.0 - 10.0
- Maximum Feedwater Turbidity: 1.0 NTU
- Maximum Feedwater SDI (15 mins): 5.0
- Maximum Feed Flow: 16 GPM (3.6 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. The values may be more conservative for specific projects to ensure the best performance and longest life of the membrane.
Test Conditions
The stated performance is initial (data taken after 30 minutes of operation), based on the following conditions:
- 500 ppm CaCl2
- 75 psi (0.52 MPa) Applied Pressure
- 77 °F (25 °C) Operating Temperature
- 15% Permeate Recovery
- 6.5 – 7.0 Feed pH
| A, inches (mm) | B, inches (mm) | C, inches (mm) | Weight, lbs. (kg) |
|---|---|---|---|
| 40.00 (1016) | 3.95 (100.3) | 0.75 (19.1) | 8 (3.6) |
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