Special Separation Membrane
- PRODUCT DETAIL
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Basic Product Parameters |
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Membrane material |
PES |
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Molecular Weight Cut-off |
6000/10000/50000 Dalton |
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Membrane area |
4.1 m2 |
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Module design flux |
40~100(L/m2.h) 25℃ |
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Membrane housing material |
UPVC |
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Inlet and outlet water interface |
1” |
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Inner and outer diameter of filaments |
0.9/1.6mm |
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Conditions of use |
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Operation mode |
inside-out |
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Working pressure |
0.02~0.2Mpa |
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Maximum intake pressure |
0.3Mpa |
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Maximum transmembrane pressure |
0.2Mpa |
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Influent PH |
2~13 |
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Tolerable continuous residual chlorine |
＜300ppm |
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Tolerable intermittent residual chlorine |
＜1000ppm |
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Service temperature |
5~40℃ |
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Water production quality |
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*Turbidity of water production |
＜0.1NTU |
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*SDI |
＜2.5 |
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*particles (＞0.2µm) |
100%Remove |
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Backwash design |
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Backwash frequency |
20~60min |
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Backwash pressure |
≤0.2Mpa |
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Backwash flux |
150~250L/(m2.h) |
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Maintenance cleaning(MC) |
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MC frequency |
Every 8 hours(can be adjusted appropriately according to water quality.) |
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Sodium hypochlorite |
200ppm(can be adjusted appropriately according to water quality.) |
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Acid MC cleaning |
0.1%HCl(can be adjusted appropriately according to water quality.) |
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Alkali MC cleaning |
0.1%NaOH(can be adjusted appropriately according to water quality.) |
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Chemical cleaning design |
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Chemical cleaning flux |
50~80L/m2.h |
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Chemical cleaning conditions |
Once every 1~4 months/Maximum transmembrane pressure≥0.15Mpa |
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Acid cleaning |
2%citric acid,0.4%HCl(Mixed solution PH=2) |
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Alkali cleaning |
0.4%NaOH+50~200ppm NaClO(available chlorine)(Mixed solution PH=12) |
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“*” Means the test condition is 25℃，0.1Mpa,Turbidity is 15NTU raw water |
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