Question

Why sludge is passed through the aerated tank?​

Answer 1

Answer:

Compressed air is bubbled through the watery waste in the aeration tank to provide oxygen to activate aerobic bacteria and make them grow rapidly in this water .

Answer 2

Answer:

Aeration is an activated sludge process is based on pumping air into a tank which grows microbial growth in waste water.

After settling in a separate setting tank, bacteria forming "activited sludge" flocks are continually recirculated back to the aeration basin to increase the rate of decomposition .

I hope this will help you.

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