What is the main purpose of presedimentation following screening?

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Multiple Choice

What is the main purpose of presedimentation following screening?

Explanation:
Presedimentation after screening uses gravity to let suspended solids settle out before the water moves on to filtration. The main goal is to reduce sediment and debris entering the downstream processes, which lowers the solids load on the filters, lessens clogging, and improves treatment efficiency. Increasing algae growth isn’t the aim, and presedimentation isn’t used to raise pH or add lime; those steps belong to other parts of the treatment process.

Presedimentation after screening uses gravity to let suspended solids settle out before the water moves on to filtration. The main goal is to reduce sediment and debris entering the downstream processes, which lowers the solids load on the filters, lessens clogging, and improves treatment efficiency. Increasing algae growth isn’t the aim, and presedimentation isn’t used to raise pH or add lime; those steps belong to other parts of the treatment process.

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