In secondary treatment of sewage,which removes organic matter?

Name: In secondary treatment of sewage,which removes organic matter?
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Quizplus · Accepted Answer

Secondary treatment of sewage involves biological treatment in which aerobic bacteria break down and remove the organic matter present in the wastewater. Chlorine and ozone are disinfectants used in tertiary treatment, while aluminum sulfate and lime are used in primary treatment to remove solids and grease.

In Secondary Treatment of Sewage,which Removes Organic Matter