It is applicableto the desalination of raw water with salt concentration 500ppm,and it was widely usedfor small household water purifier,mineral water machine and energy machineetc.
Model | Active Membrane Area ft2(m2) | Permeate Flow GPD(T/D) |
Rejection Rate (%) 500ppm NaCI |
Rejection Rate (%) 2000ppm MgSO4 |
NF2-4021 | 36(3.4) | 1100(4.16) | 30-50 | 96 |
Concentration of Solution (MgSO4) | Temperature(℃) | pH Value > | Operating Pressure psi(MPa) | Recovery Rate(%) |
500ppm(NaCI) 2000ppm(MgSO4) |
25 | 7.5-8 | 70(0.48) | 8 |
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. Feed Water Flow | 3.6m3/h |
Max. FeedWaterSDI15 | 5.0 |
Free Chlorine Concentration of FeedWater | 0.1mg/L |
pHRange of FeedWaterDuring Continuous Operation | 3-10 |
pHRange of FeedWaterDuring Chemical Cleaning | 2-12 |
Max. Pressure Drop of Single Membrane Element | 10psi(0.07Mpa) |