
Ultra Low Pressure Series RO Membrane Elements
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Introduction |
BHM, is attached to the Global 500 enterprise CHEMCHINA, researched an energy-saving product Ultra low pressure series membrane elements, suitable for low salinity water (TDS≤1000mg/L), which use the aromatic polyamide membrane materials, characterized by high rejection rate under ultra low pressure operating conditions, are widely applied in tap water, surface water desalination and purification etc.
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Membrane element performance |
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Model |
ULP-8040-440 |
ULP-8040-400 |
ULP-4040 |
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Rejection rate (%) |
99.2 |
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Permeate flow m3/d(GPD) |
45(11,880) |
40(10,500) |
9.6(2,500) |
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Active membrane Area m2 (ft2) |
40.8(440) |
37.2(400) |
9.1(98) |
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) |
0.70/100 |
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Inflow concentration(mg/L) |
500±20 |
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Temperature(゜C) |
25±1 |
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PH value |
7-8 |
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Recovery rate (%) |
15±1 |
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Maximum operating conditions |
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Pressure (Mpa/psi) |
4.1/600 |
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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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