■ Organie Matter (BOD) Minemlizalum, BioGonyeision. Assimilalion (Microbial Growłh), Adsorption to floc
■ Biological Nutnent Removal (N. P)
• Phosphalo (Pi cautes a'gai błooro
■ Biodegradation ot Polłutants & Toxlc Substances
■ Adsorption & entrapment of non-biodegradablo inorganio substances by fioes.