Application:
It is applicable for the removal or concentration of dye, removal of heavy metal and the concentration and desalination of whey protein. It will intercept divalent ions and higher ions preferentially, the interception of monovalent ions will be affected by the liquid concentration. This membrane model was widely applied to the desalination and decoloration treatment on the raw water, such as surface water, landfill leachate, dyeing wastewater, coking plant waste water, etc.
SPECIFICATIONS & PARAMETERS
| Model | Active Membrane Area ft2(m2) | Permeate Flow GPD(T/D) | Rejection Rate (%) 2000ppm MgSO4 |
| NF2-8040 | 400(37.2) | 12000(45.4) | 96 |
| NF2-4040F | 78(7.2) | 2200(8.3) | 96 |
STANDARD TEST CONDITION
| Concentration of Solution (MgSO4) | Temperature(℃) | pH Value > | Operating Pressure psi(MPa) | Recovery Rate(%) |
| 2000ppm | 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. Feed Water Flow | 17.0m3/h(8040), 3.6m3/h(4040) |
| 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) |
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