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Dissolved Air Flotation
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JX Filtration (China) Co., Ltd
Chengdu, China
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  • Dissolved Air Flotation is widely-used solid-liquid separation equipment in the wastewater treatment industry.
  •  It can effectively remove the suspensions, oils, and adhesives in the wastewater, one of the key pieces of equipment in the early processing. 
  • It can remove the floated flocs that are difficult to precipitate.
Working principle
  • The dissolving air tank can produce dissolving gas which later is released into the water waiting to be treated through the release device.
  •  It will form tiny bubbles of 20-40um and those tiny bubbles will combine with suspended solids in the wastewater to make the proportion of these suspended solids smaller than water and gradually float to the surface to form scums. 
  • With a scraper system on the surface, these scums will be scraped into the sludge pool while the water will enter the clean pond from the lower part of the overflow trough.

  • Slaughtering
  • Starch
  • Pharmaceuticals
  • Papermaking, printing, and dyeing
  • Leather and tannery
  • Petrochemical industry
  • Domestic wastewater.

Advantages
  • Large capacity, high efficiency, and small occupying space.
  • Compact structure, easy operation, and maintenance.
  • High TDS and saltwater tolerance Chemical treatment flexibility.

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