+2 votes
in Environmental Biotechnology by (64.7k points)
Sewage lagoons gives a fruity smell.

(a) True

(b) False

The question was posed to me in an internship interview.

The doubt is from Wastewater Treatment of Food Processing Industries in portion Wastewater Treatment of Food Processing Industries of Environmental Biotechnology

1 Answer

+2 votes
by (736k points)
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Best answer
Correct option is (b) False

Explanation: Due to insufficient dissolved oxygen and anaerobic digestion, the sewage lagoons give a sulfurous, rotten egg like smell and the sewage odor means lagoon failure due to insufficient circulation to digest influent BOD, hence, the waste accumulates and is digested anaerobically which is comparatively slow process and releases foul smell.

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