+1 vote
in Environmental Biotechnology by (64.7k points)
Which of the following method can be used to treat crude sewage and nitrify secondary effluent?

(a) Duck weed ponds

(b) Reed beds

(c) Algal fish ponds

(d) Water hyacinth pond

The question was asked by my school teacher while I was bunking the class.

My question is from Biological Treatment of Waste Water topic in chapter Biological Treatment of Waste Water of Environmental Biotechnology

1 Answer

+2 votes
by (736k points)
selected by
Best answer
The correct answer is (b) Reed beds

The explanation: Reed beds are a part of a succession from young reeds which colonize open water and can be used to treat liquid effluent, Water hyacinth pond is used for secondary and tertiary treatment, Algal fish ponds is used to increase the quality of water, Duck weed ponds convert organic pollutants in fish biomass.

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community