It is applicable to the desalination of raw water with salt concentration between 15000ppm and 40000ppm, and make removal for the boron is more than 90%. This membrane model was widely applied to the desalination of sea water and high concentration brackish water, concentration and recycle treatment for high salt wastewater.
| Model | Active Membrane Area ft2(m2) | Permeate Flow GPD(T/D) | Stable Rejection Rate (%) |
| SW-4040 | 85(7.9) | 1800(6.8) | 99.7 |
| Concentration of Solution (NaCl) | Temperature（℃） | pH Value | Operating Pressure psi(MPa) | Recovery Rate (%) |
| 32000ppm | 25 | 7.5-8 | 800(5.5) | 8 |
Notes: The permeate flow of single membrane element may vary with in ±15%.
Operating Limits and Conditions of Membrane Element:
| Max.Working Pressure | 1200 psi(8.3MPa) |
| Max. FeedWater Temperature | 45 ℃ |
| Max. Feed Water Flow | 3.6m3/h |
| Max. FeedWaterSDI15 | 5.0 |
| Free Chlorine Concentration of FeedWater | 0.1mg/L |
| pHRange of FeedWaterDuring Continuous Operation | 2-11 |
| pHRange of FeedWaterDuring Chemical Cleaning | 1-13 |
| Max. Pressure Drop of Single Membrane Element | 15psi(0.1Mpa) |
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