It is applicable to the desalination of raw water with salt concentration less than 500ppm. It can be widely applied to various small size household water purification, mineral water machine and energy machine etc..
| Model |
Active
Membrane Area ft2(m2) |
Permeate
Flow GPD(m3/d) |
Stable
Rejection Rate (%) |
Solution Type |
| NF-1812 | 4.2(0.39) | 100(0.38) | 30-50 | NaCl |
| >96 | 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 | 300 psi(2.07MPa) |
| Max. FeedWater Temperature | 45 ℃ |
| Max. FeedWaterSDI15 | 5.0 |
| Free Chlorine Concentration of FeedWater | 0.1mg/L |
| pH Range of FeedWaterDuring Continuous Operation | 3-10 |
| pH Range of FeedWaterDuring Chemical Cleaning | 2-12 |
| Max. Pressure Drop of Single Membrane Element | 10psi(0.07Mpa) |
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