ISO 2-200m3 / Hr Dissolved Air Flotation DAF Domestic Wastewater Treatment
ISO 2-200m3 / Hr Dissolved Air Flotation DAF Domestic Wastewater Treatment
DAF Water Treatment System Introduction
Dissolved Air Flotation (DAF) unit is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids. The removal is achieved by dissolving air in the water or wastewater under pressure and then releasing the air at atmospheric pressure in a flotation tank. The released air forms tiny bubbles which adhere to the suspended matter causing the suspended matter to float to the surface of the water where it may then be removed by a skimming device.
DAF Water Treatment System Application
1. Oil-water separation of wastewater in petrochemical industry (emulsified oil and vegetable oil);
2. Pretreatment of wastewater in textile, dyeing, bleaching, wood spinning and paper industry;
3. Wastewater treatment in surface treatment (galvanization, PCB, pickling) industry;
4. Pretreatment of effluent in pharmacy, chemical, papermaking, tannery, slaughter, and food industry;
5. Replacement of Clarifiers in WWTPs.
Dissolved Air Flotation Tech
|
DAF |
Capacities |
Piping Connections |
Physical Dimensions(m) |
Weight |
Operating |
|||||
|
Inlet(a) |
Effluent(b) |
Sludge(c) |
Vent(d) |
L/L1 |
W/W1 |
H/H1 |
||||
|
DAF-002 |
2 |
DN50 |
DN50 |
DN100 |
DN100 |
3.4/2.5 |
2.4/1.16 |
2.2/1.7 |
1300 |
4000 |
|
DAF-003 |
3 |
DN50 |
DN50 |
DN100 |
DN100 |
3.7/2.8 |
2.4/1.16 |
2.2/1.7 |
1500 |
5000 |
|
DAF-005 |
5 |
DN80 |
DN80 |
DN100 |
DN80 |
4/3 |
2.4/1.16 |
2.2/1.7 |
1600 |
7000 |
|
DAF-010 |
10 |
DN100 |
DN100 |
DN100 |
DN100 |
4.65/3.8 |
2.7/1.36 |
2.4/1.9 |
2000 |
12000 |
|
DAF-015 |
15 |
DN125 |
DN100 |
DN150 |
DN100 |
5.6/4.5 |
2.9/1.66 |
2.5/2 |
2200 |
18000 |
|
DAF-020 |
20 |
DN150 |
DN150 |
DN150 |
DN100 |
5.9/4.8 |
3.2/1.96 |
2.5/2 |
3000 |
22000 |
|
DAF-030 |
30 |
DN150 |
DN150 |
DN150 |
DN100 |
6.8/5.5 |
3.2/2.16 |
2.7/2.2 |
3800 |
32000 |
|
DAF-040 |
40 |
DN200 |
DN150 |
DN150 |
DN100 |
8/6.7 |
3.6/2.6 |
2.7/2.2 |
5000 |
45000 |
|
DAF-050 |
50 |
DN200 |
DN150 |
DN150 |
DN100 |
8.4/7 |
3.6/2.6 |
2.7/2.2 |
5500 |
55000 |
|
DAF-060 |
60 |
DN250 |
DN200 |
DN150 |
DN100 |
9.9/8.4 |
3.8/2.8 |
2.9/2.4 |
6000 |
66000 |
|
DAF-070 |
70 |
DN250 |
DN200 |
DN150 |
DN100 |
10.4/9 |
3.8/2.8 |
2.9/2.4 |
6500 |
75000 |
|
DAF-080 |
80 |
DN250 |
DN250 |
DN150 |
DN100 |
10.8/9.4 |
4/3 |
2.9/2.4 |
7500 |
100000 |
|
DAF-100 |
100 |
DN300 |
DN250 |
DN150 |
DN100 |
12.1/10.6 |
4.2/3.2 |
2.9/2.4 |
9000 |
110000 |
|
DAF-120 |
120 |
DN300 |
DN250 |
DN150 |
DN100 |
12.5/11.4 |
4.4/3.4 |
2.9/2.4 |
10000 |
130000 |
Dissolved Air Flotation Advantage
-
The most effective white water / recycling design. Large effective settling area.
-
With optional chemical processing stage - improved separation efficiency.
-
Compact clarifier and reaction cell design - surface loading up to 15m3/m2hr.
-
Rugged design for easy understanding, operation and maintenance.
-
Carbon steel and stainless steel body material design, the lowest cost of ownership.
Dissolved Air Flotation Process
Dissolved Air Flotation Features
-
Total suspended solids (TSS) reduced by up to 97%.
-
Chemical oxygen demand (COD) removal rate of up to 60-80%.
-
Integrated sludge hopper for easy removal of solid deposits.
-
The DAF area provides a static space for the formation of the float.
-
Heavy-duty, fully protected, counter-current surface separator that removes surface floats.
Dissolved Air Flotation Application
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