Question

why is air pumped into clarified water ​

Answer 1

Answer:

Water is then allowed to settle in a tank where solids like faeces (called sludge) settle at the bottom and are removed with a scraper. ... Clarified water is then passed through an aerator tank where air is pumped into the water. It helps aerobic bacteria to grow which decompose organic matter like human waste.

Explanation:

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Answer 2

Answer:

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Water is then allowed to settle in a tank where solids like faeces (called sludge) settle at the bottom and are removed with a scraper. ... Clarified water is then passed through an aerator tank where air is pumped into the water. It helps aerobic bacteria to grow which decompose organic matter like human waste.