What do you understand by the term ‘Dark Fermentation’? A)It is a method to dispose nuclear wastes. B)It is a method to produce methane from organic wastes. C)It is a method to reduce COD in the atmosphere. D)It is a method to produce Hydrogen as a fuel from waste water.
Option D) Dark fermentation is the fermentative conversion of organic substrate to bio-hydrogen. It is a complex process manifested by diverse groups of bacteria, involving a series of biochemical reactions using three steps similar to anaerobic conversion. Wastewater is used as a potential substrate for bio-hydrogen production in the dark fermentation process.
