Aerobic biological oxidation ponds used for the purification of polluted water

MCQ Practice

Subject: Chemical EngineeringTopic: Environmental Engineering In Ce

Destroys/removes pathogen from the sewage

Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents

Destroys/removes pathogen much more effectively if the sewage is chlorinated

All of the above

Correct Answer: D

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