Huamo BW4040 Reverse Osmosis RO Membrane, 78 (7.2) ft2(m2), Huamo (CAT#: STEM-GMAE-4838-LGZ)

BW series is an aromatic polyamide composite membrane element. It has the characteristics of low operating pressure, large water output and high desalination rate. It has a high removal rate for dissolved salts, TOC, SI02 and other substances, and is especially suitable for the preparation of high-purity water in the electronics and electric power industries.

Active Membrane Area, ft² (m²): 78 (7.2)
Stabilized Salt Rejection, %: 99.4
Minimum Salt Rejection, %: 98.8
Permeate flow rate, GPD (m³/d): 2050 (7.8)

Test Condition:
Feed Water Pressure: 1.55MPa(225 psi)
Feed Water Temperature:25 C(77 F)
Feed Water Concentration: 2,000 ppm NaCl
Feed Water PH: 8

Maximum Operating Pressure: 41 bar(600 psi)
Maximum Operating Temperature: 45C(113℉)
Maximum Pressure Drop per Element: 1.0 bar (15 psi)
pH Range,Continuous Operation: 2-11
pH Range,Chemical Cleaning: 1-13
Maximum Feed Silt Density Index (SDI15): 5.0
Free Chlorine Tolerance: <0.1 ppm

1.Permeate flow rates for individual elements may vary ±15%.
2.Membrane active areas may vary +4%.
3.Stabilized salt rejection is generally achieved after continuous using for 24-48 hours,which depending on feed water qualities and operating conditions.

Brackish reverse osmosis membranes are often porous and rigid enough to flush out a disease that causes water-borne diseases and pathogens. The HUAMO BW membrane consists of three layers: a polyester support web, a microporous polysulfone interlayer, and an ultrathin barrier coating on the top surface.

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