Chemical Engineering - Environmental Engineering - Discussion


Aerobic biological oxidation ponds used for the purification of polluted water

[A]. destroys/removes pathogen from the sewage.
[B]. is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents.
[C]. destroys/removes pathogen much more effectively if the sewage is chlorinated.
[D]. all (a), (b) & (c).

Answer: Option D


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