Sea Water Series RO Membrane Elements
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Introduction |
BHM, is attached to the Global 500 enterprise CHEMCHINA, manufactures SW series RO membrane elements which are suitable for high salinity water (TDS≥10000mg/L), have high rejection rate and permeate flow by optimizing the micropores structure of substrate membrane and import new nano-materials during the polyamide forms membrane, Which are widely applied in sea water/brackish water desalination, high salinity water resources.
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Membrane element performance |
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Model |
SW-8040-400 |
SW-8040-380 |
BW-4040 |
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Rejection rate (%) |
99.7 |
||
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Permeate flow m3/d(GPD) |
28.8（7,600） |
26（6,850） |
6.5（1,700） |
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Active membrane Area m2 (ft2) |
37.2（400） |
35.3（380） |
8.5（92） |
Note: The final stable rejection rate after testing 30 minutes as the standard rejection rate; the fluctuation range of permeate flow is 15%
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Testing conditions |
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Pressure (Mpa/psi) |
5.52/800 |
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Inflow concentration(mg/L) |
32000±100 |
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Temperature(゜C) |
25.0±1 |
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PH value |
7-8 |
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Recovery rate (%) |
8±1 |
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Maximum operating conditions |
|
Pressure (Mpa/psi) |
6.9/1,000 |
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Temperature(゜C) |
45 |
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Inflow SDI |
5 |
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Residual chlorine concentration of inlet water(mg/L) |
0.1 |
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Inflow PH range during continuously operating |
3-10 |
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Inflow PH range during chemical cleaning |
2-12 |
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Max. pressure loss of single membrane element (Mpa/psi) |
0.10/15 |
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