Product Description
Dissolved air flotation (DAF) is a physicochemical process widely used in the field of wastewater treatment. The DAF process uses the micro bubbles added and released by the high-pressure gas in the wastewater to settle the suspended particles and effectively remove the suspended solids, grease, nitrogen, phosphorus and other pollutants. DAF micro-bubbles are an important process condition, which can be generated by increasing gas pressure and reducing water temperature. These bubbles can contact and absorb the suspended matter, improve the buoyancy of the suspended matter, so that it floats in the water to form a foam layer, and fix the suspended matter in the foam layer through collective discharge, and finally achieve suspension through the discharge of the foam layer removal of matter. The DAF process has the advantages of simple operation, high efficiency, less slurry output, low sludge generation, and is suitable for large flow treatment. It is widely used in industrial, municipal, drinking water treatment and other fields.
Feature
1. A large number of small and micro-bubbles: floating together in the water, the number and size of the bubbles can be adjusted according to the processing needs.
2. Small bubble diameter: In the DA system, the diameter of the small and medium bubbles in the pore micropores is usually 10-50 microns, which are not easy to be destroyed when floating in water.
3. Higher surface charge density: microbubbles have strong adhesion ability, which can adhere to pollutant particles, thereby promoting the lift-off of suspended solids.
4. High shielding hydraulic load capacity: DAF micro-bubbles can easily sublimate or reduce suspended matter and transform into solid particles.
5. High treatment efficiency: The DAF system can remove various suspended matter, including suspended solids, organic matter, biochemokines, etc.
6. Low energy consumption: DA technology usually uses low energy consumption, high efficiency centrifugal pumps to create microbubbles with extremely low energy consumption.
7. Compatibility: DAF system can be applied to various types of water treatment fields, and can be customized according to treatment requirements, such as reclaimed water treatment and groundwater treatment.
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