Product Description
Sedimentation Dissolved Air Flotation is a physicochemical process used in water treatment. It combines the two methods of sedimentation and air flotation, and is designed to remove suspended solids, turbidity, color and certain dissolved substances in water.
Working principle
Sedimentation Dissolved Air Flotation works by passing water through a specially designed sedimentation tank and allowing it to stay in the tank for a period of time. During this process, gravity will cause suspended and dissolved substances to gradually settle to the bottom of the tank. Then, the dissolved air flotation process begins by injecting tiny air bubbles into the water. These air bubbles attach to suspended particles, causing them to float to the surface to form a scum. Finally, the scum can be removed by scrapers or other equipment.
Advantage
One of the advantages of Sedimentation Dissolved Air Flotation is its ability to efficiently remove suspended and dissolved substances from water. It is suitable for treating various types of water, including industrial wastewater and drinking water. In addition, Sedimentation Dissolved Air Flotation can also be used to improve water quality and reduce turbidity and color to meet specific water quality requirements.
Sedimentation Dissolved Air Flotation also has some limitations. It has limited removal effect on certain dissolved substances in water, such as organic matter and heavy metals. In addition, the operation and maintenance costs of Sedimentation Dissolved Air Flotation are relatively high, requiring regular maintenance and cleaning of equipment.
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