The Hydranautics® PRO-XS series is a unique set of nanofiltration spiral wound membranes customized specifically for challenging industrial process applications. These membranes are based on Hydranautics high performance membrane products which have then been specially designed to treat a variety of challenging industrial feed streams including high fouling, high TDS, and having special ion separation requirements.
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| Permeate Flow (Nominal) PRO-XS3: | 9,650 gpd (36.5 m3/d) |
| MgSO4 Rejection PRO-XS3: | 99.7% (99.6% minimum) |
| Test Conditions PRO-XS3: | 2,000 ppm MgSO4 |
| 110 psig (0.76 MPa) Applied Pressure | |
| 77°F (25 °C) Operating Temperature | |
| 15% Permeate Recovery | |
| 6.5 - 7.0 Feed pH | |
| Preference Synthetic Water Performance† PRO-XS3: | |
| Nominal Sulfate Rejection PRO-XS3: | 99.8% |
| Nominal Chloride Rejection PRO-XS3: | <10% |
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 ±20 percent from the value specified.
† Reference Synthetic Water Test Condition: 10,000 ppm NaCl + 10,000 ppm Na2SO4, at 15 lmh operating flux condition, 77 °F (25 °C), 15% permeate recovery, 6.5-7.0 feed pH.
| Configuration PRO-XS3: | Spiral Wound |
| Membrane Polymer PRO-XS3: | Composite Polyamide |
| Membrane Active Area PRO-XS3: | 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 2% Safeguard® 100 as preservation solution, and then packaged in a cardboard box. For more Safeguard® 100 flushing instructions, please refer to Hydranautics TSB118. For proper storage and handling, including storage temperature limitations, please refer to Hydranautics TSB 608.
| 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£): | 3.0 - 9.0 (1.0 - 11.5) |
| 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) |
