Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant

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Customization: Available
After-sales Service: Yes
Warranty: 2 Years
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  • Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
  • Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
  • Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
  • Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
  • Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
  • Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
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Basic Info.

Model NO.
QD-EVU-20
Method
Physical Treatment
Usage
Industrial, Agriculture, Hospital
Material
Stainless Steel/Carbon Steel
Motor
German
Operation
Automatic
Main Power
0.75-22kw
Function
Remove Cod BOD
After-Sale Service
Long Term
Flow Rate
Meet Client′s Need
Transport Package
Standard Shipping Package
Specification
3.0m× 1.0m× 1.2m
Trademark
Spark
Origin
Qingdao China
HS Code
8421219990
Production Capacity
1000 Sets/Year

Packaging & Delivery

Package Size
1200.00cm * 250.00cm * 220.00cm
Package Gross Weight
10000.000kg

Product Description

 HOME/ABOUT US
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
We apply our experience and skill to design solutions for municipal, industrial, and minerals clients. We employ a wide variety of liquid/solids separation and biological treatment technologies. 
EVU Industries manufactures complete dissolved air flotation (DAF) clarifier systems. Remove FOG, TSS, BOD, COD, and pollutants from your wastewater. Review our DAF clarifiers below or contact us for more information.
Dissolved air flotation (DAF) for industrial wastewater treatment is a water clarification process that uses micro-bubbles to remove impurities and solids. The process is ideal for removing light impurities and solids that tend to float and suspend in liquid.
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
WHY WE USE DAF?
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant

DAF systems separate solids, oils, greases, and other impurities from water. The clean water can be reused or discharged. DAF is used for a variety of goals, including:

  • Treatment to meet discharge regulations
  • TSS Removal
  • Water recovery and reuse
  • Pretreatment to reduce loading on downstream biological treatment systems
  • COD & BOD Removal
  • Polishing of biologically treated effluent
  • Thickening of slurry
  • Pretreatment for desalination plants utilizing reverse osmosis
HOW DOES DAF WORK?

DAF uses micro air bubbles (30-50 micron) that attach to impurities and flocculated particles and float them to the water's surface. Then a skimming system removes the sludge to a desludging trough, and clean water is recovered.

The clean water can be reused for process or discharged, and some of it is recycled back to the DAF process.

Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
DAF CLARIFICATION STEPS
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant

First, clean water needs to be accessible for a DAF system to startup. Clean water is necessary because DAF systems pressurize the water and mix it with pressurized air. Under pressure, the air dissolves, and when de-pressured, micro-bubbles form. The micro-bubbles are necessary to the cleaning process.

So, the first step is to fill the DAF system with clean water. If you fill the DAF unit with wastewater, you'll likely discharge wastewater for a long time. Plus, you risk damaging the recirculation pump and air saturation system.

 
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant

Once clean water is in the system, a recirculation pump pulls some of the clarified water to a pressurization-saturation system. Next, the water is pressurized by a pump and mixed with pressurized air. Under this pressure, the air dissolves in the water.

Now the saturated water flows under pressure to the clarification tank. In the clarification tank, the pressure releases, and micro-bubbles form.

The micro-bubbles attach to the impurities from the incoming wastewater stream and pull them to the top. When sediment rises, a floating sludge blanket forms on top of the water within the clarifier.

 
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
Next, a skimming system gently removes the sludge from the top of the water. You'll see the skimmers pull sludge off the top and drop it into a desludging trough.
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant

Finally, clean water is recovered through a supernatant system. Basically, the clean water comes out of a discharge point below the floating sludge and above the settled sludge.

 


DO DAF SYSTEMS MANAGE SLUDGE?
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant

Most systems account for and manage settled sludge. DAF systems are ideal for wastewater streams that contain solids that float and settle.

In general, you'll find most manufacturers include a sediment compartment or basin with a sludge extraction system

Technical Data Sheet

Data Model EVU-5 EVU-10 EVU-20 EVU-30 EVU-40 EVU-50 EVU-60 EVU-80 EVU-100
Capacity(m3/h) 5 10 20 30 40 50 60 80 100
Motor power(kw) / 0.55
Scraper travelling speed(m/min) / 2.26 2.1 2.3 2.5 2.55 2.64 2.82
Inclined plate quantity (pc) 10 15 38 46 50 56 58 60 64
Inclined plate size(mm) 1060*1200 1350*1465 750*1600 900*1600 1050*1600 1110*1600 1150*1800 1200*1200 1300*2000
Equivalent settling area(m2) 6.36 14.83 22.8 33.12 42 49.7 60.03 72 83.2
Length (mm) 2400 3000 3750 4050 4340 4525 4725 4975 5175
Width (mm) 1340 1740 2220 2520 2820 3090 3190 3290 3490
Height(mm) 3050 3200 4650 4650 4700 4900 5100 5330 5330
The height from inlet pipe to ground (mm) 1300 1250 3350 3350 3350 3600 3650 3825 3825
The height from outlet pipe to ground (mm) 2550 2680 3400 3400 3450 3450 3650 3825 3825
Inlet pipe(mm) DN80 DN100 DN125 DN150 DN150 DN150 DN150 DN200 DN200
Outlet pipe(mm) DN80 DN100 DN125 DN150 DN150 DN150 DN150 DN200 DN200
Sludge discharge pipe(mm) DN150 DN200
Inspection manhole(mm) / DN600

CHEMICAL TREATREMNT WITH DAF

Coagulants and flocculants are regularly used to pretreat wastewater before it enters a DAF system.

Like other wastewater treatment methods, a DAF system can benefit from particles that bind due to flocculants. The skimming systems can remove a thicker, more dewatered sludge that may need little to no further dewatering.

Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
WHAT APPICATIONS ARE DAF CLARIFIERS USED TO TREAT?
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant

Food, Beverage & Dairy

Modular wastewater treatment | environmental compliance

Poultry, Meat Processing and Agricultural

Smart wastewater and manure treatment, turn cost into a profit
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant

Heavy Industries

Help and consult O&G companies with managing water impact and minimizing risks

Municipal & Surface

Water and wastewater consultancy and equipment delivery
Textiles Wastewater Treatment Dissolved Air Flotation Daf Plant



 

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