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DAF(dissolved air flotation)

Standard air flotation is a typical representative of dissolved air flotation, with high market retention and stable operation. It is commonly used to remove light and small suspended solids, colloids, oil or grease, and algae from water.
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① White water pulp recycling and water reuse in the papermaking industry.
② Oil water separation in the refining industry.
③ Removal of impurities from tannery wastewater.
④ Removal of heavy metal ions.
⑤ Wastewater biological treatment, biological sludge membrane solid-liquid separation.
⑥ Wastewater upgrading, purification, and phosphorus removal.

Details

The main body is a rectangular steel structure. The main components include a rectangular box, a release device, a dissolved air pump, an air compressor, a dissolved air tank, an air flotation system, and a mud scraping system.
The raw water passes through the dissolved gas system and forms saturated pressure dissolved water with air in the dissolved gas tank. It is then released through a depressurizer in the tank. During the process, a large number of tiny bubbles are generated, which adhere to the suspended solids in the water and float to the surface. After being removed by the skimming system, the water quality is purified.

Specification

Model Capacity Power(kW) Dimension(m) Nozzle list(DN)
DAF/IDAF m3/h Recycle pump Air compressor Skimmer IDAF
Fast mixer
IDAF
Slow mixer
DAF
L/L1
IDAF
L/L1
W/W1 H/H1 Inlet Outlet Sludge outlet Vent nozzle
003 ~3 0.75 0.55 0.2 0.37 0.25 3.6/2.8 4.1/3.2 2.4/1.2 2.2/1.7 50 50 80 80
005 ~5 1.1 0.55 0.2 0.37 0.25 3.8/3.0 4.4/3.6 2.4/1.2 2.2/1.7 80 80 80 80
010 ~10 4.0 0.55 0.12 0.37 0.25 4.3/3.3 5.0/4.0 2.9/1.7 2.4/1.9 100 100 100 100
020 ~20 4.0 0.75 0.12 0.37 0.25 5.7/4.8 6.2/5.2 3.2/2.2 2.4/1.9 150 100 100 100
030 ~30 5.5 0.75 0.12 0.37 0.25 6.5/5.5 7.7/6.7 3.2/2.2 2.4/1.9 150 150 150 100
040 ~40 5.5 0.75 0.12 0.75 0.37 6.5/5.5 7.7/6.7 3.6/2.7 2.4/1.9 200 200 150 100
050 ~50 7.5 0.75 0.12 0.75 0.37 7.3/6.3 8.8/7.8 3.6/2.7 2.4/1.9 200 200 150 100
080 ~80 11 2.2 0.12 1.5 0.37 8.9/7.6 10.6/9.2 4.4/3.4 2.7/2.3 250 200 150 100
100 ~100 11 2.2 0.12 1.5 0.37 10.8/9.4 13.2/11.8 4.4/3.4 2.7/2.3 300 250 150 100
120 ~120 11 2.2 0.12 1.5 0.37 11.7/10.4 14.2/12.8 4.4/3.4 2.7/2.3 300 250 150 100
150 ~150 15 3 0.12 1.5 0.37 13.5/12.0 15.8/14.4 4.5/3.6 2.7/2.3 300 300 150 100

Features & Benefits

  • Can be skid-mounted, facilitating installation and application.
  • Paired with an efficient gas dissolution system and a stable and reliable separation structure main body.
  • A safe skimming system.
  • Hydraulic load of 5-8m3/(m2·h).
  • High resistance to suspended solids concentration, suitable for suspended solids concentration<1500mg/L.

Rytec Corporation

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