Activated sludge

Activated sludge

As process: A continuous biological treatment process done mainly by bacteria which oxidize carbonaceous and nitrogenous matter in wastewater. 

As subject: a biological active floc composed mainly of bacteria and protozoa used on wastewater treatment process for oxidazing carbonaceous pollution in water by providing air or oxygen and later allowing the settlement of biological flocs (the sludge blanket) to clarify the treated water.

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