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High Rejection and High Flux Nanofiltration Membrane Element-NF1-4040/NF1-4040R/NF2-4040

Product Categary:
Industrial Membrane Element
Main Feature:
It has the selective desalination mechanism for removal of high polyvalent ions and partial maintaining of monovalent ions with health benefits. Moreover, the equipment operating cost can be reduced effectively with the advantage of low working pressure.

USAGE
It is applicable to the desalination of direct drinking water, spring water, boiler water, also desalination and decolorization of wastewater with high salt concentration.
SPECIFICATIONS & PARAMETERS
Model : NF1-4040
Active Membrane Area ft2(m2) : 85(7.9)
Permeate Flow GPD(T/D) : 2000(7.6)
Rejection Rate (%)[NaCl] : 50-70 Rejection Rate (%)[MgSO4] : 98

Model : NF1-4040R
Active Membrane Area ft2(m2) : 85(7.9)
Permeate Flow GPD(T/D) : 1800(6.8)
Rejection Rate (%)[NaCl] : >85 Rejection Rate (%)[MgSO4] : 99

Model : NF2-4040
Active Membrane Area ft2(m2) : 85(7.9)
Permeate Flow GPD(T/D) : 2400(9.1)
Rejection Rate (%)[NaCl] : 30-50 Rejection Rate (%)[MgSO4] : 97

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(%) : 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 : 3.6m3/h
Max. FeedWaterSDI15 : 5.0
Free Chlorine Concentration of Feed Water : 0.1mg/L
pH Range of Feed Water During Continuous Operation : 2-11
pH Range of Feed Water During Chemical Cleaning : 1-13
Max. Pressure Drop of Single Membrane Element : 15psi(0.1Mpa)



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