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The efficiency of a percolating filter is given by ___________

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+2 votes
in Environmental Engineering by (81.4k points)
The efficiency of a percolating filter is given by ___________

(a) 100/(1+0.0044 (μ))

(b) 100/(1+0.044 (μ)^ 1/2)

(c) 100/(1+0.44 (μ) ^1/2)

(d) 100/(1+0.0044 (μ) ^1/2)

I have been asked this question by my college professor while I was bunking the class.

Query is from Conventional Trickling Filter topic in chapter Sewage Filtration and Activated Sludge Process of Environmental Engineering

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The correct choice is (d) 100/(1+0.0044 (μ) ^1/2)

To explain: The efficiency of a percolating filter is given by η = 100/(1+0.0044 (μ)^1/2) where, μ is the organic loading in kg per hectare meter per day.

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