It is applicable to the desalination of direct drinking water, spring water, boiler water, also desalination and decolorization of wastewater with high salt concentration.
| Model |
Active
Membrane Area ft2(m2) |
Permeate
Flow GPD(m3/d) |
Stable
Rejection Rate (%) |
Solution Type |
| NF1-8040 | 400(37.2) | 11000(41.6) | 50-70 | NaCl |
| 9000(34.0) | >98 | MgSO4 |
| Concentration of Solution | Temperature（℃） | pH Value | Operating Pressure psi(MPa) | Recovery Rate（%） |
| 500mg/L NaCl | 25 | 7.5-8 | 70(0.48) | 15 |
| 2000mg/L MgSO4 | 25 | 7.5-8 | 70(0.48) | 15 |
Notes: The permeate flow of single membrane element may vary with in ±15%.
Operating Limits and Conditions of Membrane Element:
| Max.Working Pressure | 600 psi(4.14MPa) |
| Max. FeedWater Temperature | 45 ℃ |
| Max. FeedWaterSDI15 | 5.0 |
| Max. Feed Water Flow | 17m3/h |
| Free Chlorine Concentration of FeedWater | 0.1mg/L |
| pH Range of FeedWaterDuring Continuous Operation | 3-10 |
| pH Range of FeedWaterDuring Chemical Cleaning | 1-13 |
| Max. Pressure Drop of Single Membrane Element | 15psi(0.1Mpa) |
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