Coarse bubble diffusers

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Our clog-free coarse bubble diffusers mix and aerate wastewater with high concentrations of solids. They are the ideal choice for sludge storage tanks and activated sludge tanks with biofilm carriers.

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Peace of mind

Clog-free performance

Superior mixing and aeration

Solids concentrations up to 8%

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Intelligent design

Open bottom flushes solids

Independent air connections

Stainless steel construction

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Smart investment

No maintenance

Enhanced fouling resistance

Minimal parts replacements

What is a coarse bubble diffuser?

A coarse bubble diffuser is a mixing and aeration solution for municipal and industrial wastewater treatment projects. It is ideally suited to the activated sludge processes used by MBBR and SBR systems.

Available in lengths up to 4.25 m, Ecoprocess coarse bubble diffusers (formerly known as AirOmega) reliably transfer oxygen and mix wastewater by generating powerful crossflow currents.

Thanks to our unique open-bottom design, solids are automatically flushed away to give you clog-free performance you can trust in all conditions.

Where are our coarse bubble diffusers used?

Ecoprocess coarse bubble diffusers are most often solutions for:

  • municipal treatment plants
  • agri-food processing plants
  • pulp and paper mills
  • breweries and wineries
  • dairies

How do our coarse bubble diffusers work?

A centralized air supply forces air through pipes fixed to the bottom of the basin. This air enters the rectangular chamber that houses each Ecoprocess coarse bubble diffuser, then exits the unit through rows of calibrated orifices.

The vertical power of diffused air generates crossflow currents that effectively break down organic material and keep solids in suspension so they don’t form unwanted sludge.

To ensure high performance, each diffuser uses our open-bottom design to constantly flush away solids. This simple but important feature prevents fouling and eliminates the need for diffuser maintenance.

Find near you

Choose your local website to discover the Ecoprocess coarse bubble diffuser near you.