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Eco-friendly: DRDO develops bio toilets
The bacteria from Antarctica are components of anaerobic microbial consortium that is used for seeding (inoculation) of bio-digesters. The consortium is composed of bacteria belonging to four groups, which work in sequential manner. The Antarctic bacteria which are cold active (work in wide temperature range) constitute the first two groups, i.e. hydrolytic & acidogenic. Cow dung, being abundantly
The bacteria from Antarctica are components of an anaerobic microbial consortium that is used for seeding (inoculation) of bio-digesters. The consortium is composed of bacteria belonging to four groups, which work in a sequential manner. The Antarctic bacteria which are cold active (work in wide temperature range) constitute the first two groups, i.e. hydrolytic & acidogenic. Cow dung, being abundantly available at low cost, has been used for multiplication of bacteria used in the bio-digester.
The cow dung is used only during multiplication of bacteria in the inoculums generation facility, which is a closed system. Once it is consumed by the bacteria and converted into a form that does not have any fly attractant property and rather detracts them. Final bacteria fed into the bio-digester do not have any unpleasant odor and get washed away in the bio-digester within few days. At present, no additional measures are required to prevent them.
This information was given by Defence Minister Shri Manohar Parrikar in a written reply to Shri Amar Shankar Sable in Rajya Sabha today
