Indian Railways' bio-toilets use a bacterial inoculum, not fungal, for the anaerobic decomposition of human waste. The end products of this decomposition include biogas (primarily methane and carbon dioxide) and treated water, not solely ammonia and water vapour.
With reference to bio-toilets used by the Indian Railways, consider the following statements: 1. The decomposition of human waste in the bio-toilets is initiated by a fungal inoculum. 2. Ammonia and water vapour are the only end products in this decomposition which are released into the atmosphere. Which of the statements given above is/are correct?
Asked in UPSC IAS 2015 · Topic: Pollution (Water Pollution: Sources, common pollutants, water quality indicators (BOD, COD, DO), effects, control measures.)
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