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Wastewater is typically cleaned through a multi-step treatment process. Initially, it undergoes primary treatment, where large solids are removed through screening and sedimentation. Next, secondary treatment uses biological processes, often involving bacteria that break down organic matter. Finally, tertiary treatment may occur, involving filtration and disinfection methods, such as chlorination or ultraviolet light, to remove remaining impurities before the water is released or reused.

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1w ago

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