The domestic sewage in large cities
(a) Has a high BOD as it contains both aerobic and bacteria
(b) Is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs).
(c) When treated in STPs does not really require the creation step as the sewage contains adequate oxygen.
(d) Has very high amounts of suspended solids and dissolved salts
The domestic sewage in large cities
(a) Has a high BOD as it contains both aerobic and bacteria
(b) Is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs).
(c) When treated in STPs does not really require the creation step as the sewage contains adequate oxygen.
(d) Has very high amounts of suspended solids and dissolved salts
Harshit Singh , 3 Years ago
Grade 12th pass
