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In which form of solute stabilization, hydrogen sulfide in the effluent is oxidized into sulfate?

(a) Chlorination

(b) Liming

(c) Re-carbonation

(d) Super-chlorination

I had been asked this question by my college director while I was bunking the class.

The query is from Types of Unit Operations topic in division Unit Operations for Wastewater Treatment, Preliminary Treatment of Environmental Engineering

1 Answer

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Best answer
The correct answer is (a) Chlorination

The explanation: By the process of chlorination, effluent gets stabilized by the conversion of hydrogen sulfide into sulfate.

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