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Which of the following plant nutrient is not found in municipal sewage?

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+1 vote
in Environmental Engineering by (81.4k points)
Which of the following plant nutrient is not found in municipal sewage?

(a) Arsenic

(b) Phosphorous

(c) Potassium

(d) Nitrogen

The question was posed to me by my school teacher while I was bunking the class.

The doubt is from Sludge Thickening, Sludge Dewatering in portion Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

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Best answer
Correct choice is (a) Arsenic

Explanation: Potassium, Phosphorous and Nitrogen are found in municipal sewage having maximum plant nutrient concentration of  3.3% of total municipal waste as nitrogen.

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