Aerobic biological oxidation ponds used for the purification of polluted water

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Nisha Gupta

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📊 Environmental Engineering

Q. 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 (A), (B) & (C)

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✅ Correct Answer: (D) All (A), (B) & (C)

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