Civil Engineering MCQAE Level Civil Engineering
Oxidation pond treatment depends mainly on
Environmental EngineeringGeneralMEDIUM
Choose the correct answer
A
only high pressure aeration
B
only reverse osmosis
C
only chlorination
D
algae-bacteria symbiosis and sunlight
Correct Answer
D. algae-bacteria symbiosis and sunlight
Why is this the answer?
Algae supply oxygen and bacteria oxidize organics in ponds.
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