Question : What do you understand by the term "Dark Fermentation"?
Option 1: It is a method to dispose of nuclear waste.
Option 2: It is a method to produce methane from organic wastes.
Option 3: It is a method to reduce COD in the atmosphere.
Option 4: It is a method to produce hydrogen as fuel from wastewater.
Correct Answer: It is a method to produce hydrogen as fuel from wastewater.
Solution : The correct option is It is a method to produce hydrogen as fuel from wastewater.
Dark Fermentation is a biological process where microorganisms break down organic matter, typically in the absence of light, to produce hydrogen gas. In the context of wastewater, microorganisms convert organic compounds into hydrogen. This sustainable method harnesses energy from waste, providing a potential source of clean fuel, and addressing environmental concerns associated with wastewater treatment.
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