Aeration systems increase the supply of oxygen, as well as providing mixing, in the biological treatment processes commonly used to treat municipal wastewater and industrial effluents. Read More

They are typically installed in mixing tanks, activated sludge tanks, equalisation basins, sequencing batch reactors (SBRs) and aerated lagoons.

Fine bubble aerators are installed on the floor of a treatment tank, usually in a grid format. Millions of air bubbles rise from the diffusers, sustaining the aerobic processes. Disc, tube, plate and dome are all types of fine bubble aerator.

Mechanical aerators use an impeller, brush or rotor to agitate the wastewater, increasing oxygen transfer from the atmosphere. They are usually fixed to a side wall or overhead bridge, but can also be installed as floating units.

With submerged models, air or oxygen is delivered through a hose to the aerator and distributed by the rotation of the impeller.

Aerating fountains destratify water in ponds and lakes, helping improve improve overall water quality. 

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Aerators - helping you find the best solution for your project.

  • ELIQUO HYDROK: IFAS & FBDA for Northumbrian Water
    IFAS & FBDA for Northumbrian Water
    ELIQUO HYDROK
    Seaton Carew STW needed a substantial upgrade to provide extra treatment capacity to accommodate recent and predicted growth within the catchment. In April 2016, Hydrok installed a combination of the Integrated Fixed-Film...
  • Corgin: Vertex low-speed surface aerator
    Vertex low-speed surface aerator
    Corgin
    Vertex low-speed surface aerators offer constant efficiencies over the entire lifetime of the system, which can often be up to 30 years. They are suitable for a wide range of applications including tanks of any shape and...
  • Corgin: Spiral aerators for Scottish Water sewage works
    Spiral aerators for Scottish Water sewage works
    Corgin
    A sewage works situated upstream on the River Forth in Scotland was used to coping with high volumes of water. The failure of one of the brush rotors created a major problem. With DO and ammonia levels likely to go haywire...
  • Corgin: FlexAir disc diffusers
    FlexAir disc diffusers
    Corgin
    FlexAir Disc Diffuser membranes from Corgin incorporate advanced technologies for superior aeration performance and reliability. They have an integral triple check valve to prevent backflow of wastewater into the diffusers...
  • Corgin: ModuleAir fine bubble diffused air system
    ModuleAir fine bubble diffused air system
    Corgin
    ModuleAir can be used where continuous wastewater treatment is essential. Plants can continue to operate during installation and removal for maintenance as no tank draindown is required. Modular systems are ideal for both...
  • Corgin: FlexAir T-Series Tube Diffusers
    FlexAir T-Series Tube Diffusers
    Corgin
    FlexAir T-Series Tube Diffusers from Corgin are generally chosen in applications with high airflow requirements, and/or in harsh wastewater environments, in removable or fixed grid configurations. The diffusers are...
  • Corgin: Aerators improve effluent quality at sugar factory
    Aerators improve effluent quality at sugar factory
    Corgin
    An effluent plant at a sugar factory in the UK had been struggling to meet consent levels as their aerators were very old and inefficient. The plant has various challenges, including very high mixed liquor suspended solids...
  • Corgin: HyperClassic® mixing and aeration system
    HyperClassic® mixing and aeration system
    Corgin
    The HyperClassic® mixer and aerator is designed for use in municipal and industrial wastewater treatment plants. It has the mixing efficiency of a HyperClassic® mixer but including an air sparger below the impeller to...
  • ARM Ltd: Nitrification series, Forced Bed Aeration™
    Nitrification series, Forced Bed Aeration™
    ARM Ltd
    ARM Ltd has extensive experience of designing and constructing natural wastewater treatment systems for anything from an individual dwelling to a community of 25,000 people. A range of nitrifying products has been developed...
  • Corgin: Spiral aerators installed at a re-activated sludge plant
    Spiral aerators installed at a re-activated sludge plant
    Corgin
    Oxygen starvation was a frequent problem at a small wastewater treatment works run by a UK water company, especially when loads increased and temperatures rose in the summer tourist season. The existing two 18.5 kW venturi...
  • Corgin: Emergency brush rotor replacement
    Emergency brush rotor replacement
    Corgin
    Corgin learned of a failure in equipment that was about to impact a small sewage works with a population equivalent of 2500 in the Lake District. Due to its proximity to nearby conservation areas it had a tight consent...
  • Corgin: Rotex brush aerator for wastewater treatment
    Rotex brush aerator for wastewater treatment
    Corgin
    Rotex brush aerators are horizontal-shaft surface rotors used for oxygen transfer and directional mixing in wastewater treatment. Aerators are commonly custom-designed for installation in existing oxidation ditches or to...
  • Corgin: Floating aerator hire for multiple Scottish Water sites
    Floating aerator hire for multiple Scottish Water sites
    Corgin
    Hot and dry weather can often pose a challenge to wastewater treatment works. Corgin received urgent calls from several remote treatment works in Scotland that were struggling to maintain consent levels due to lack of...
  • Corgin: Self-aspirating spiral aerator for wastewater treatment
    Self-aspirating spiral aerator for wastewater treatment
    Corgin
    Spiral aerators provide efficient aeration with strong directional mixing in wastewater treatment systems. They are particularly useful in emergency situations where other aeration plant has broken down or needs...
  • Sulzer: Disc diffuser system type ABS
    Disc diffuser system type ABS
    Sulzer
    The ABS disc diffuser system (Nopon) is a highly reliable fine bubble aeration system for municipal and industrial wastewater. Five alternative diffuser models are available, all of which are fast and easy to install and...
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Aerators- helping you find the best companies for your project.