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Air flotation

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Air flotation covers a set of technologies designed to remove suspended matter, including fine solids, fats, oils and greases, from municipal wastewater, industrial effluent, water and oil-water mixtures. Read More

Liquids will often be pre-treated with chemicals, typically coagulants or flocculating polymers, to aid the process.

In dissolved air flotation (DAF) air is dissolved under pressure into the liquid to be treated and then released at atmospheric pressure into a tank.

This process releases tiny bubbles (20-80 microns in size) that attach to the suspended material, causing it to float to the surface. Skimmers remove the floating material for disposal, further treatment or material recovery.

In cavitation air flotation (CAF) the bubbles are produced by a rotating disk rather than under pressure.

With induced air flotation (IAF) the bubbles are formed by the mechanical agitation of injected air. 

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Air flotation - helping you find the best solution for your project.

Air flotation - helping you find the best companies for your project.

    • Dissolved air flotation - DAF units
    • Skid-mounted dissolved air flotation (DAF) unit rental
    MSE Hiller
    Harper Way, Markham Vale, Chesterfield, S44 5JX
    • DAF in a BOX - plug-and-play dissolved air flotation range
    • Puriflo packaged dissolved air flotation (DAF) systems
    Puriflo

    Designs and manufactures DAF systems for the treatment of industrial wastewater and sewage, utilising a specially developed system of air dissolving and microbubble formation. The system can be used in potable water treatment to remove colour before sand filtration and final chlorination, and as plant for temporary water supplies. Containerised

    14 Cowley Road, Nuffield Industrial Estate, Poole, BH17 0UJ
    • iD DAF systems with integrated chemical dosing
    • Dissolved air flotation units up to 100m3/hr
    Siltbuster

    Siltbuster designed and manufactured lamella DAF units are used to remove suspended solids, organic matter, algae, colour and fats, oils and greases (FOGs) from water and wastewater. Using established solids/liquid separation technology, the DAF units generate ‘white-water’ by dissolving air under pressure and then releasing the pressure to form

    Williams Building, Kingswood Gate, Monmouth, NP25 4EE
    • Dissolved air flotation plant for water and effluent
    Aquatreat Environmental Products
    Unit 20 Napton Industrial Estate , Brickyard Road, Southam, CV47 8NT
    • AQUA-DAF high rate dissolved air flotation (DAF) unit
    Colloide

    Dissolved Air Flotation (DAF) units for clarifying primary or secondary effluent waters and as a thickener for biological sludge

    Derryloran Industrial Estate, Sandholes Road, Cookstown, BT80 9LU
  • Aquabio

    Aquabio provide the REDOX dissolved air flotation systems for industrial and municipal wastewater treatment. Dissolved Air Flotation (DAF) physico-chemical systems are used for the separation and removal of suspended and colloidal solids, oils, fats and greases from industrial and municipal effluents and the thickening of aqueous primary and

    Unit 10, Ball Mill Top Business Park, Hallow, Worcester, WR2 6LS
  • Civil & Environmental Project Services
    Unit 13 Waterloo Business Park, Waterloo Road, Bidford on Avon, Alcester, B50 4JG
  • Enpure

    Offers a dissolved air flotation technology which extends the operational window of typical DAF plant whilst enabling the integration of downstream filtration systems. Features include reduced flocculation times, higher loading rates and operation in raw water turbidities up to 450 NTU

    Enpure House, Parklands Business Park, Rubery, Birmingham, B45 9PZ
  • Jacopa

    Manufactures and supplies dissolved air flotation systems. These are designed for separating and removing suspended solids from liquid by attachment of micro-sized air bubbles to the suspended particles. Also offers grit traps that produce a grit-free liquid and a cleaned, well-washed, drained grit

    Cornwallis Road, Millard Industrial Estate, Lyng, West Bromwich, B70 7JF
  • KWI

    Specialising in liquid / solid separation technology, the company designs, manufactures and installs a complete range of primary DAF clarification, biological treatment, secondary clarification and filtration stages for the separation and removal of solids from effluent and wastewater. Specialising in the paper industry, the company also provides

    Units 8/9 Cambrian Business Park, Mold, CH7 1NJ
  • Stetfield Separators

    Designs, manufactures, installs and commissions enhanced gravity separators, membrane and electrocoagulation systems, and allied effluent treatment plant. Applications include surface run-off, and the treatment of industrial wastewater produced by manufacturing and process industries. Site surveys, project management, system design, plant upgrade

    12 Sunnybank, Loe Bar, Helston, TR13 9EP
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