
01
Fill
Wastewater enters the reactor.
02
Aerate
Air is injected; bacteria break down the pollution.
03
Settle
Aeration stops; treated water clears as solids settle.
04
Sludge
Excess sludge is returning to primary tank via airlift .
05
Decant
Clean treated water is drawn off the top.
06
Treated water extraction
Treated water is extracted via airlift in the collector .







