Microorganisms
Involved
in
Activated
Sludge
Process - Various microorganisms are involved in the activated sludge process. The most important one is the rod shaped bacterium, Zoogloea ramigera, which produces a copious extracellular slime matrix. This organism is the main agent for flocculation.
Among other bacterial forms the major genera are Pseudomonas, Nitrosomonas,Flavobacterium, Alcaligenes, Brevibacterium, Bacillus, Beggiatoa, Achromobacter, Corynebacterium and Sphaerotilus. Other minor genera include Aeromonas, Aerobacter, Micrococcus, Spirillum, Acinetobacter, Glucanobacter, Cytophaga and Hyphomicrobium.
