Oxygen/air injection

Oxygen/air is normally injected into the flowing wastewater. That is, in case of the intermittent flow as in the case of rising main, oxygen/air is injected only when the pump is running. A number of oxygen injection methods are available:

  • Direct injection of compressed air
  • Use of Venturi aspirators
  • Pressure tank air/oxygen injection
  • Side stream oxygen injection

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