Product Description
horizontal combined dissolved air flotation is a water treatment process that purifies wastewater (or other water such as rivers or lakes) by removing suspended solids or oils and greases. Widely used in solid-liquid separation in wastewater treatment, it can effectively remove suspended solids, grease and colloidal substances, and at the same time, it can reduce COD and BOD. It is the main equipment for sewage treatment.
Working principle
The dissolved air water produced by the horizontal combined dissolved air flotation is pumped into the air releaser by means of a reduced pressure pump. The 15-30um microbubbles of the air releaser will attach to the suspended matter, making the suspended matter lighter than water, and then the solids combined with the microbubbles float on the surface to form a scum layer, which is scraped into the sludge pool by the skimmer system. The lower clean water flows into the clean water tank. At least 30% of the clean water is recycled for use in the GFA system, while the rest is either drained or pumped to the next process
Feature
The horizontal combined dissolved air flotation is mainly composed of a dissolved air pump, an air compressor, a dissolved air container, a rectangular steel tank, and a skimmer system.
1. Simple operation, simple management, convenient control of waste water volume and water quality.
2. The micro-bubble produced by the dissolved air tank is only 15-30um, which has strong adhesion to the flocculant and better flotation effect.
3. Unique GFA dissolved gas system, the dissolved gas efficiency is as high as 90%+. Strong blocking ability
4. Chain plate type tpe oil skimmer, stable operation and high scrapping efficiency.
Application
As a wastewater treatment process, DAF system is widely used in wastewater purification projects. It can be used in these industries.
1. Paper industry - pulp is recycled in white water, and clean water is recycled.
2. Textile, printing and dyeing industry - chroma reduction and SS removal.
3. Slaughterhouses and the food industry.
4. Petrochemical industry - separation of oil and water.
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