The PRO-LF1 is a unique low fouling spiral wound membrane customized specifically for challenging industrial process applications. This membrane is based on Hydranautics high performance membrane products which have been specially modified to treat a variety of industrial feed streams to handle high TDS and high fouling potential wastewater.
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| Permeate Flow (Nominal) PRO-LF1: | 7,700 gpd (29.1 m3/d) |
| Salt Rejection PRO-LF1: | 99.8% (99.7% minimum) |
| Test Conditions PRO-LF1: | 32,000 ppm NaCl solution |
| 800 psig (5.52 MPa) Applied Pressure | |
| 77 °F (25 °C) Operating Temperature | |
| 10% Permeate Recovery | |
| 6.5 - 7.0 pH Range |
The Specified Performance is based on data taken after a minimum of 10 minutes of operation. Actual testing of elements may be done at conditions which vary from these exact values; in which case, the performance is normalized back to these standard conditions. Permeate flow for individual elements may vary ±15 percent from the value specified.
General Product Description PRO-LF1
| Configuration PRO-LF1: | Low Fouling Spiral Wound |
| Membrane Polymer PRO-LF1: | Composite Polyamide |
| Neutrally Charged Surface | |
| Membrane Active Area PRO-LF1: | 400 ft2 (37.2 m2) |
| Feed Spacer: | 34 mil (0.86 mm) |
Packaging: All membrane elements are supplied with a brine seal, interconnector, 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.
| Maximum Applied Pressure: | 1,200 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) at T ≤ 25 °C |
| 2-11 (1-12) at T > 25 °C to ≤ 35 °C | |
| 3-10.5 (2-11) at T > 35 °C to ≤ 45 °C | |
| Maximum Feedwater Turbidity: | 1.0 NTU |
| Maximum Feedwater SDI (15 mins): | 5.0 |
| Maximum Feed Flow: | 85 gpm (19.3 m3/h) |
| Minimum Brine Flow: | 12 gpm (2.7 m3/h) |
| Maximum Pressure Drop for Each Element: | 15 psi (0.10 MPa) |
