Cyclones

They sort the impurities that bio-stabilized drags.

A ventilation system makes bio-stabilized enter an upside-down cone from the side at high speed. It thus recreate the movement of a cyclone. This movement makes the heavier materials loose speed and separate from the bio-stabilized.

What comes out What is done to it
Bio-stabilized Civil works, covering landfills, spoiled land recovery
Residue Landfill