Commercial Series NF Membrane Element-NF1-2521/NF1-2540/ NF2-2521/NF2-2540

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Product Categary:
Commercial Membrane Element
Main Feature:
It has the selective desalination mechanism for removal of high polyvalent ions(heavy metal ion) and partial maintaining of monovalent ions with health benefits.Moreover,it only needs low operating pressure.
USAGE
It is applicable to the desalination of raw water with salt concentration 500ppm,and it was widely used for small household water purifier,mineral water machine and energy machine etc.
SPECIFICATIONS & PARAMETERS
Model : NF1-2521
Active Membrane Area ft2(m2) : 14(1.3)
Permeate Flow GPD(T/D) : 300(1.13)
Rejection Rate (%)[NaCl] : 50-70 Rejection Rate (%)[MgSO4] : 97

Model : NF1-2540
Active Membrane Area ft2(m2) : 27(2.5)
Permeate Flow GPD(T/D) : 700(2.64)
Rejection Rate (%)[NaCl] : 50-70 Rejection Rate (%)[MgSO4] : 97

Model : NF2-2521
Active Membrane Area ft2(m2) : 14(1.3)
Permeate Flow GPD(T/D) : 350(1.32)
Rejection Rate (%)[NaCl] : 30-50 Rejection Rate (%)[MgSO4] : 96

Model : NF2-2540
Active Membrane Area ft2(m2) : 27(2.5)
Permeate Flow GPD(T/D) : 800(3.04)
Rejection Rate (%)[NaCl] : 30-50 Rejection Rate (%)[MgSO4] : 96

STANDARD TEST CONDITION
Concentration of Solution : 500ppm (NaCl), 2000ppm(MgSO4)
Temperature（℃）: 25
pH Value : 7.5-8
Operating Pressure psi(MPa) : 70(0.48)
Recovery Rate（%） : 8[2521], 15[2540]

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 : 1.4m3/h
Max. FeedWaterSDI15 : 5.0
Free Chlorine Concentration of Feed Water : 0.1mg/L
pH Range of Feed Water During Continuous Operation : 3-10
pH Range of Feed Water During Chemical Cleaning : 2-12
Max. Pressure Drop of Single Membrane Element : 10psi(0.07Mpa)

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