Product List
Dissolved air flotation unit(DAF unit)
Introduction
DAF unit are used to effectively remove TSS, FOG, BOD, COD and other pollutants from wastewater.DAF unit have been designed specifically for treating industrial wastewater which is heavily loaded with fats, oil, grease and suspended solids that require a significant amount of free surface area for flotation and eventual separation.
Specifications:
Capacity:0-100m3/h
Material: Carbon steel,SS304,SS316 or customized
Principle: Gas-liquid mixing pump or compressor
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Description
DAF unit are used to effectively remove TSS, FOG, BOD, COD and other pollutants from wastewater.
DAF unit have been designed specifically for treating industrial wastewater which is heavily loaded with fats, oil, grease and suspended solids that require a significant amount of free surface area for flotation and eventual separation.
Having an open tank design with no lamella plates within our DAF system means that there is nothing for fats or various sticky contaminates to foul and eventually block. This means that our systems are particularly well suited for effectively treating effluent from the food and drink industry.
DAF systems are built from carbon steel with epoxy painting or FRP lining, stainless steel is also optional.
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Applications
DAF is a proven, and effective physical-chemical technology commonly used for many industrial and municipal applications,including :
•Product recovery and reuse
•Pretreatment to meet sewer discharge limits
•Pretreatment to reduce loading on downstream biological systems
•Polishing of biological treatment effluent
•Removing silt and grease from industrial water
DAF is used extensively in the following industries:
•Meat, poultry, and fish processing
•Dairy industry
•Petrochemicals
•Pulp and paper
•Food and beverage
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Technical parameters
Model
Capacity
(m3/h)
Piping Connections(mm)
Operating Weight(kg)
Power(kw)
Inlet
Effluent
Sludge
Vent
Reflux pump
Air compressor
Skimmer
DAF-002
2
DN50
DN50
DN100
DN100
4000
0.75
0.55
0.2
DAF-003
3
DN50
DN50
DN100
DN100
5000
0.75
0.55
0.2
DAF-005
5
DN80
DN80
DN100
DN80
7000
1.1
0.55
0.2
DAF-010
10
DN100
DN100
DN100
DN100
12000
1.5
0.55
0.2
DAF-015
15
DN125
DN100
DN150
DN100
18000
2.2
0.75
0.2
DAF-020
20
DN150
DN150
DN150
DN100
22000
3
0.75
0.2
DAF-030
30
DN150
DN150
DN150
DN100
32000
3
0.75
0.4
DAF-040
40
DN200
DN150
DN150
DN100
45000
5.5
0.75
0.4
DAF-050
50
DN200
DN150
DN150
DN100
55000
7.5
0.75
0.4
DAF-060
60
DN250
DN200
DN150
DN100
66000
7.5
1.5
0.4
DAF-070
70
DN250
DN200
DN150
DN100
75000
11
1.5
0.4
DAF-080
80
DN250
DN250
DN150
DN100
100000
11
1.5
0.4
DAF-100
100
DN300
DN250
DN150
DN100
110000
15
1.5
0.4
DAF-120
120
DN300
DN250
DN150
DN100
130000
15
1.5
0.4
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Advantages
1. Shallow effective water depth: 600-750mm
2. Short time for hydraulic retention in the tank: 5-10 minutes.
3. Large purification capacity, namely with highly surface load.
4. Small footprint without operating room and all prefabricated assembling can be facilitated overhead or multi-layer combination.
5. Low cost for the installation and maintenance, easy to clean.
6. High degree of purification, algea and other suspended solids removal rate over 90%, sludge concentration can reach 35%.
7. Its unique dissolved air system with delicate structure can progress over 90% of dissolved air efficiency with stronger anti-clogging ability under its own numerous patents.
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