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The surface loading rate of a secondary clarifier is ______ litres/m^2/day.

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+1 vote
in Environmental Engineering by (81.4k points)
The surface loading rate of a secondary clarifier is ______ litres/m^2/day.

(a) 1000

(b) 10000

(c) 20000

(d) 40000

This question was addressed to me at a job interview.

The origin of the question is High Rate Trickling Filter and Secondary Clarifier in section Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

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Best answer
The correct option is (d) 40000

The best explanation: The range of surface loading rate of a secondary clarifier lies between 40,000 litres/m^2/day to 70,000 litres/m^2/day.

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