Q. 205.0( 3 Votes )

Given below is a

Answer :

Processes involved in a wastewater treatment plant :

1. Large objects like plastic bags are removed by passing wastewater through bar screens.

2. Wastewater enters a grit and sand removal tank.

3. Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater.

4. Water is made to settle in a large tank with a slope in the middle.

5. Sludge is scraped out and skimmer removes the floating grease.

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