Definitions for "ACTIVATED SLUDGE"
Biologically active floc from aeration and settling sewage and / or organic matter.
Biological treatment process used to convert organic material in wastewater into carbon dioxide.
Aktiivilietelaitos Aktivslamanläggning A waste water treatment method using a three stage biological method. Stage I is undertaken anaerobically. Stage II uses an aeration basin in which microbe containing sludge is added. Sludge is separated from the waste water in (Stage III). Part of the sludge is removed and part (the activated sludge) is returned to the aeration basin.