KWT - Model Sedicell - Dissolved Air Flotation (DAF) Clarifier for Sludge Thickening
From Water and Wastewater Treatment
Mechanically simple and robust construction combined with sophisticated hydraulic design allows constant and reliable performance in any conditions..
Advantages
- High floated sludge consistency is easy to achieve and maintain even without polymer.
- Low sensitivity to variations in flow and quality of the influent.
- Excellent performance with 'difficult' and 'fragile' sludge quality. The sludge blanket does not move and the risk of having 'sinking floes' is negligible (the sludge is not pushed to the sludge extraction device (the spiral scoop ) which is travelling around the sludge blanket.
Applications
- Excess biological sludge thickening before further de-watering (excellent application in case of biological phosphorous removal or for large amounts of excess sludge. This also reduces the polymer consumption in the sludge de-watering system).
- Biological sludge clarification after aeration tanks gives the possibility to raise the concentration in the aeration tanks up to 8-10 g/l.
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