Aerobic biological oxidation ponds used for the purification of polluted water__________________?

Chemical Engineering Mcqs

Aerobic biological oxidation ponds used for the purification of polluted water__________________?

(A)  Destroys/removes pathogen from the sewage

(B)  Is not very effective for non-biodegradable substances (e.g. ABS) containing effluents

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

(D)  All

Submitted By :Ali Uppal

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