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Ultrafiltration principle
Ultrafiltration membrane screening process is driven by the pressure difference on both sides of the membrane. As the intermediary of system, ultrafiltration membrane is under certain pressure. When the original fluid flows through the membrane surface, ultrafiltration membrane surface with many tiny pores allow only water and small molecules go through and become the liquid, and the concentrate greater than the surface micro aperture is trapped in the liquid side of the membrane. Therefore the purpose of purification, separation and enrichment of concentrate can be achieved.
Specification:
|
Products series |
HRP |
HRR |
HRD |
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|
Applied Range |
Pre-treatment for industry water |
Recycle of waste water and sewage |
Treatment of drinking water |
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|
Model |
P- 2640 |
P- 2660 |
P- 2680 |
R- 2680 |
R- 2880 |
D- 2660 |
D- 2860 |
D- 2880 |
|
|
Size |
Housing Length (mm) |
1356 |
1856 |
2356 |
1860 |
2360 |
1856 |
1860 |
2360 |
|
Housing OD (mm) |
165 |
165 |
165 |
225 |
225 |
165 |
225 |
225 |
|
|
Membrane Area (m2) |
20 |
33 |
44 |
52 |
70 |
33 |
52 |
70 |
|
|
Parameter |
Shape |
hollow fiber |
hollow fiber |
hollow fiber |
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|
Materials |
PVDF |
PVDF |
PVDF |
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|
Nominal Bore (um) |
0.03 |
0.03 |
0.03 |
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|
OD of hollow fiber(mm) |
1.3 |
1.3 |
1.3 |
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|
Water Permeability(lmh) |
50-120 |
40-100 |
60-120 |
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|
PH |
2-11 |
2-11 |
2-11 |
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|
T(℃) |
1-40 |
1-40 |
1-40 |
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|
Inlet pressure(bar) |
6.0 |
6.0 |
6.0 |
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|
NaClO Max concentration(ppm) |
5000 |
5000 |
5000 |
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|
Typical process condition
|
Max TMP(bar) |
2.1 |
2.1 |
2.1 |
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|
Max inlet TSS(ppm) |
100 |
150 |
100 |
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|
Typical inlet TSS(ppm) |
50 |
50 |
50 |
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|
Max OD of inlet granule(um) |
300 |
300 |
300 |
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|
Max inlet fiber impurity(ppm) |
50 |
50 |
50 |
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|
Typical inlet fiber impurity(ppm) |
5 |
5 |
5 |
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|
Max backwashing pressure(bar) |
2.5 |
2.5 |
2.5 |
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|
Backwashing flow(lmh) |
100-200 |
100-200 |
100-200 |
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|
Backwashing period |
once every 15-60 min |
once every 15-60 min |
once every 15-60 min |
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|
Backwashing time(sec) |
30-60 |
30-60 |
30-60 |
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|
Typical chemical washing period |
4-12 times annually |
4-12 times annually |
4-12 times annually |
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|
Air washing period |
1-12times everyday |
1-12times everyday |
1-12times everyday |
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