Hydrophilic and moisturizing membrane
Reinforced composite PVDF membrane uses hydrophilic modified PVDF raw materials, the membrane has good hydrophilicity, and no hydrophilic treatment is needed in the site. However, if the diaphragm is not put into use immediately after it is installed, or it needs to be parked for a certain period of time during use, please ensure that the diaphragm is immersed in water or it is always in a wet condition.
Maintenance of membrane flux and membrane cleaning
Diaphragm aeration system construction using perforated aeration, aeration of bubbles and water flow, so that the film full of jitter, to achieve self-cleaning of the membrane. Using the intermittent operation mode, the self-priming pump can suck for 10 to 12 minutes and stop for 2 to 3 minutes, which can effectively prevent the clogging of the membrane holes and ensure long-term and stable operation of the membrane separation. When used for the first time, the microbiological culture of the biochemical pool achieves good activity, and the membrane is only put into operation when the viscosity is small.
Parameter Table
Parameters:
| Name | Anaerobic Membrane Bioreactor Wastewater Treatment | ||
|
Model |
MBR-PVDF-4.5 |
MBR-PVDF-10 |
MBR-PVDF-16 |
|
Module length |
750MM |
980MM |
1500MM |
|
Module width |
530MM |
650MM |
850MM |
|
Outlet diameter |
25MM |
32MM |
40MM |
|
Module membrane area |
4.5M² |
10M² |
16 M² |
|
Interception pore diameter |
0.1micron |
0.1micron |
0.1micron |
|
Turbidity of water output |
＜1NTU |
＜1NTU |
＜1NTU |
|
Tolerance range of temperature |
5-45℃ |
5-45℃ |
5-45℃ |
|
Tolerance range of PH value |
2-12 |
2-12 |
2-12 |
|
Flow of producing water |
1-1.5 M³/D |
2.4-6 M³/D |
3.5-9 M³/D |
|
Max transmembrane pressure(TMP) |
-0.05MPA |
-0.05MPA |
-0.05MPA |
|
Type of water output |
Negative pressure suction |
||
|
Chemical cleaning agents |
Citric acid / sodium hydroxide / sodium hypochlorite |
||
|
1. Technical parameters in the table are factory inspection value under standard testing conditions; 2. The flow is producing water flow when the product is used in MBR sewage treatment; |
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MBR Membrane design flux reference table：
|
Mbr Membrane design flux reference table |
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|
Type of sewage |
design run membrane flux l/m2. h |
The maximum operating membrane flux L/m2 is allowed when the water fluctuates greatly. h |
remarks |
|
Secondary settling tank effluent |
23-25 |
30 |
Standard effluent, pure membrane filtration |
|
Domestic / Municipal Waste Water |
19-22 |
25 |
Good biodegradability |
|
Aquaculture wastewater |
17-18 |
22 |
Good biochemistry |
|
industrial sewage |
15-16 |
17-18 |
General biodegradability |
|
Landfill Leachate |
10--11 |
13-14 |
General biodegradability |
|
Directions: L/m2. h refers to the water output of a flat rice film for an hour in units such as:19L/m2. h Refers to 19 litres of effluent from a flat rice membrane for an hour |
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For large-scale mbr film projects, especially for complex industrial wastewater, it is best to explore and verify the process and design parameters by trial or pilot tests |
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