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Advantages and disadvantage of aeration system

Advantages of extended Aeration System:

  • Plants are easy to operate, as the management of operation is for a maximum of two or three hours per day.
  • Extended aeration processes are often better at handling organic loading and flow fluctuations, as there is a greater detention time for the nutrients to be assimilated by microbes.
  • Systems are odor free, can be installed in most locations, have a relatively small footprint, and can be landscaped to match the surrounding area.
  • Extended aeration systems have a relatively low sludge yield due to long sludge ages, can be designed to provide nitrification, and do not require a primary clarifier.

Disadvantages of extended aeration system:

  • Extended aeration plants do not achieve denitrification or phosphorus removal without additional unit processes.
  • Flexibility is limited to adapt to changing effluent requirements resulting from regulatory changes.
  • aeration
  • longer aeration period and hence requires more energy.

Skilled personnel are required for the operation and control



2 Responses to “Advantages and disadvantage of aeration system”

  1. Sudha says:

    For extended aeration process we need any bacteria from out side.

  2. Jelal says:

    For waste water with oil , what is the best remedy to improve the quality of final effluent discharge?

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