2605Chemical EngineeringMedium
Aerobic biological oxidation ponds used for the purification of polluted water________?
AAll A., B. & C.
BIs not very effective for non-biodegradable substances (e.g. ABS) containing effluents
CDestroys/removes pathogen much more effectively if the sewage is chlorinated
DDestroys/removes pathogen from the sewage
Correct answer
A. All A., B. & C.
Explanation
The correct answer is All A., B. & C..