ADS Subsurface Aeration vs. Surface Aeration

Forcing a bubble down is difficult and incredibly inefficient. Bubbling from the bottom up ensures oxygen is delivered where it is needed most: at the sludge-water interface.

ADS subsurface aeration works with gravity and buoyancy by delivering fine bubbles from the bottom up. Benefits include:

See what bottom oxygenation does

  • Uniform oxygenation and mixing, providing a superior zone of influence
  • Settles out solids due to non-turbulent laminar flow, slowly digesting them over time
  • Requires 3 to 6 times less horsepower
  • Excellent performance in deep water (10' or deeper)

In comparison, surface aeration has significant drawbacks, including:

  • Works against gravity and buoyancy; it's difficult to force bubbles down
  • Uneven distribution of oxygen and mixing
  • Turbulent non-laminar process keeps solids and sediments in suspension
  • Requires 3 to 6 times more horsepower
  • Poor performance in deep water (10' or deeper)