Surface AerationBack to Services

Surface Aeration
  • A key requirement of any aerobic wastewater treatment system is to provide adequate dissolved oxygen to the biological process.
  • A related system requirement is to provide sufficient mixing, which insures a fairly homogenous mixture within the activated sludge aeration basins.
  • Since the introduction of the activated sludge process a wide variety of systems have been used to provide oxygen dissolution and bulk mixing.
  • These include various types of diffusers, injectors and mechanical devices, such as surface aerators.



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