Which of the following method can be used to treat crude sewage and nitrify secondary effluent? Options: A . &nbspDuck weed ponds B . &nbspReed beds C . &nbspAlgal fish ponds D . &nbspWater hyacinth pond

Which of the following method can be used to treat crude sewage and nitrify seco

Question

Which of the following method can be used to treat crude sewage and nitrify secondary effluent?

Options:

A . Duck weed ponds

B . Reed beds

C . Algal fish ponds

D . Water hyacinth pond

Answer: Option B
Answer: (b).Reed beds

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