1.

Domestic sewage of large citiesA. When treated in STPs does not really require the aeration step as the sewage contains adequate oxygenB. Has very high amounts of suspended solids and dissolved salts.C. Has a high BOD as it contains both aerobic and anaerobic bacteriaD. Is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment plants (STPs)

Answer» Correct Answer - D


Discussion

No Comment Found

Related InterviewSolutions