+1 vote
in Environmental Biotechnology by (64.7k points)
Which of the following physical method is not followed in the primary waste treatment?

(a) Rotating screening drums

(b) Separators

(c) Fine rakes

(d) Algal treatment

The question was posed to me in an interview.

I need to ask this question from Wastewater Treatment of Food Processing Industries in section Wastewater Treatment of Food Processing Industries of Environmental Biotechnology

1 Answer

+2 votes
by (736k points)
selected by
Best answer
The correct answer is (d) Algal treatment

The explanation is: Rotating screening drums, Separators, Fine rakes, separators, screening catchers etc. are physical method of separation and treatment of the green line wastes, whereas algal treatment is a biological method of treatment which is usually not followed.

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