Dissolved Air Flotation, Enviro Concepts

Dissolved Air Flotation (DAF)

Enviro Concepts Dissolved Air Flotation (DAF) units are engineered to remove a wide range of solids and hydrocarbons. They are engineered to efficiently remove suspended solids, fats and oils, BOD, COD and heavy metals from a wide variety of water and wastewater sources.

The Enviro DAF systems are pre-engineered, pre-assembled and factory tested minimising site installation and start up time. Simple connections and easy to set up controls make these units ready for quick on-line service.

The Dissolved Air Flotation units emit minute air bubbles which bind with the oils and fats, precipitated metals and suspended solids increasing their ascending ability. This results in a floating sludge layer that can easily be removed by a mechanical scraper. A motorised scraper system then scrapes the waste into a waste tank for disposal.


DAF system or Dissolved air flotation is widely used in treating industrial wastewater from a growing number of industries and applications like:

  • Vehicle & Truck Wash Stations
  • Transport Container Wash Downs Facilities
  • Pipes and Casings Wash Down Facilities
  • Heavy Equipment and Machinery Wash Downs
  • Oil refineries
  • Petrochemical and chemical plants
  • Natural gas processing plants
  • Paper mills
  • General water treatment
  • Food processing
  • Meat processing
  • Fish processing
  • Dairies
  • Abattoirs
  • Cheese processing
  • Poultry processing
  • Tanneries


  • Coated Mild Steel or Stainless
  • Containerised, Skid Mount or Standalone
  • Single, Multiple or No Chemical Injection
  • Low Wear Mechanical Scraper
  • Level Control Weir
  • Feed and Discharge Water Pumps
  • E­fficient Air Diffusion and Mixing Zone

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You can visit our DAF Specification page or download specification sheet –  click here.