Minipore BW-4021FR RO Membrane, Active Area 36(3.4) ft2(m2), Minipore (CAT#: STEM-GMAE-4994-LGZ)

FR series reverse osmosis membrane elements have high rejection rate and excellent antifouling performance. The membrane surface is specially treated with a unique technology to change the charge and smoothness of the membrane surface, increase the hydrophilicity of the membrane surface, thereby reducing the adhesion of pollutants and microorganisms, thereby reducing pollution and prolonging the service life of membrane elements. It is especially suitable for the desalination treatment of surface water, industrial wastewater, brackish water with medium and high salt concentration. It is suitable for the desalination of surface water and groundwater and water treatment with a salt concentration of 2000-8000ppm.

Temperature of testing solution: 25C
Concentration of testing solution (NaCl): 2000ppm
Operating condition: 225psi(1.55Mpa)
PH value of testing solution: 7.5-8
Recovery rate of single element: 15%(8040, 4040, 2540), 8%(4021, 2521)
The permeate flow of single membrane element may vary with in +15%.

Max.working Pressure psi (MPa): 600(4.14)
Operating Pressure psi (MPa): 225(1.55)
Max.feed water Temperature: 45C
Active Area ft2(m2):36(3.4)
Permeate flux GPD(m3/d): 950(3.6)
Stable rejection rate (%): 99.5
Recovery rate (%): 8
Max.Feed water salinity (us/cm): 6000
Max.Feed water hardness(ppm): 60
Max.Feed water COD (ppm): 10
Max.Feed water BOD(ppm): 5
Max.Feed water TOC(ppm): 10
Feed water Free Chlorine(ppm): <0.1
Max.Feed water turbidity NTU: 1.0
Max.Feed water SDI 15: 5
Continuous Feed water PH range: 2-11
Chemical cleaning PH range: 1-13
Max.pressure drop of single element psi(MPa): 10(0.07)

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