What is the purpose of sedimentation in water treatment?

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Question: What is the purpose of sedimentation in water treatment?

Options:

Correct Answer: To allow heavier particles to settle

Solution:

Sedimentation allows heavier particles to settle at the bottom of a tank, clarifying the water.

What is the purpose of sedimentation in water treatment?

What is the purpose of sedimentation in water treatment?

Step 1: Water from a source (like a river or lake) is collected and brought to a treatment facility.
Step 2: The water contains various particles, such as dirt, sand, and other impurities.
Step 3: The water is placed in a large tank where it can sit still for a while.
Step 4: Because of gravity, the heavier particles in the water start to sink to the bottom of the tank.
Step 5: As the heavier particles settle, the water above becomes clearer.
Step 6: The clear water can then be taken from the top for further treatment, while the settled particles at the bottom can be removed.

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