NTX Series Nanofiltration Membrane Elements
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Introduction |
BHM, is attached to the Global 500 enterprise CHEMCHINA. BHM adjusted the formula of membrane-making liquid to improve the rejection performance and selective permeability and realize the effective desalination and concentration to sulfate solution system.
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Membrane element performance |
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Model |
NTX-8040-28i |
NTX-8040-34i |
NTX-4040 |
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Rejection rate (%) |
NaCl |
50-85 |
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MgSO4 |
99 |
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Permeate flow m3/d(gpd) |
38(10,000) |
34(9,000) |
8.5(2,250) |
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Width of inlet conduit(mil) |
28 |
34 |
34 |
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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) |
0.75/110 |
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Inflow concentration（NaCl） mg/L |
2000±50 |
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Inflow concentration（MgSO4） mg/L |
2000±50 |
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Temperature(゜C) |
25.0±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) |
40 |
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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 |
2-11 |
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Max. pressure loss of single membrane element (Mpa/psi) |
0.10/15 |
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