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Domestic sewage of large cities...

Domestic sewage of large cities

A

When treated in STPs does not really require the aeration step as the sewage contains adequate oxygen

B

Has very high amounts of suspended solids and dissolved salts.

C

Has a high BOD as it contains both aerobic and anaerobic bacteria

D

Is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment plants (STPs)

Text Solution

Verified by Experts

The correct Answer is:
D
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