activated sludge

ac·ti·vate sludge

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Definitions of activated sludge words

noun activated sludge a mass of aerated precipitated sewage added to untreated sewage to bring about purification by hastening decomposition by microorganisms 3
noun activated sludge Activated sludge is a thick soft substance used for removing pollutants from waste water by a biological reaction that involves oxygen. 3
noun activated sludge sludge (def 8). 1
noun activated sludge Sewage that has been aerated and agitated in order to promote the growth of beneficial microorganisms that break down organic matter. 0

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This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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