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the air is pumped through the clarified water so that it allows aerobic bacteria to grow and consume organic contaminates such as faeces ,food ,waste that is left in the water . then bacteria ultimately settles down and water is removed from top and then suspended impurities to be discharged into a water body

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What happens in this aeration tank?

In the aeration tank, microorganisms are "fed", meaning that they consume any waste left on the wastewater. One type of aeration tank uses air bubbles to provide the micrioorganisms sufficient oxygen to survive.


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