How a Nayadic works

Explore the tank. Tap or click a label to learn what it does.

Swipe the diagram sideways to see all the labels.

Nayadic M-series tank, animated side cutaway Wastewater enters the inner treatment zone. An external compressor supplies air through a line to a diffuser low in the tank. Treated liquid moves into the surrounding clarification zone and over a weir toward the outlet. Nayadic M-series · side cut Nested cones and central recirculation tube External air compressor From home Outlet tee / effluent out Clarified effluent Mixed wastewater Air diffuserRecirculation tube Circular outlet weir Floating scumSettled solids / sludgeSelect a label to learn what it does.
  1. Wastewater enters the center. Incoming wastewater flows into the inner treatment zone by gravity.
  2. Air enters near the bottom. A compressor outside the tank sends air through a line to a diffuser. The bubbles supply oxygen to microorganisms that break down organic waste.
  3. Liquid clarifies and exits. In the surrounding clarification zone, solids have a chance to settle. Clarified liquid flows over a circular weir and leaves through the outlet to the property’s approved dispersal system.

Where the solids go. The inner aeration zone contains mixed wastewater and suspended solids. In the quieter outer zone, floating material can collect near the scum baffle and heavier solids settle toward the cone base, where the recirculation tube returns solids to treatment. The colors show these zones schematically. Actual buildup varies.

This illustration shows the M-series treatment unit. The complete system layout varies by model and property. Nayadic M-series owner’s manual

Floating scum

Floating material stays near the surface. The scum baffle helps keep it away from the outlet.

Clarified effluent

Liquid in the quieter outer zone rises toward the circular outlet weir after solids have had a chance to settle.

Mixed wastewater and suspended solids

The inner treatment zone is aerated and mixed. The tan dots represent solids suspended in the liquid.

Settled solids / sludge

Heavier solids move toward the bottom of the cone. The recirculation tube helps return solids to the treatment zone.

External air compressor

The compressor supplies air through a line to the diffuser. Compressor designs and replacement requirements vary by model.

Compare rotary vane and diaphragm air pumps.

Air diffuser

The diffuser releases air low in the tank. Rising bubbles deliver oxygen and help circulate the liquid.

Recirculation tube

The central draft tube helps circulate liquid and solids back into the aerated treatment zone.

Outlet weir and effluent line

The manufacturer shows a circular weir, scum baffle, and effluent outlet. The tee in this preview is a schematic plumbing detail with its lower leg in the clarified liquid. Confirm the actual outlet hardware from the model drawing or property records.