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With which device, the air is introduced in the aeration tank?

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in Environmental Engineering by (81.4k points)
With which device, the air is introduced in the aeration tank?

(a) Diffuser plate

(b) Paddles

(c) Cone with spiral vanes

(d) Header pipe

I have been asked this question in quiz.

Origin of the question is Diffused Air System topic in chapter Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

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Best answer
Correct choice is (a) Diffuser plate

The explanation: The air is introduced in the diffuser air aerators with the help of diffuser plates. It rotates and results in the formation of small bubbles causing aeration of sewage.

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