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Science & Tech., Ecology & Environment
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06/01/21 09:00 AM IST

Biodigester Mk-II Technology

In news

DRDO Signs MOU with MAHA-METRO for implementation of Advanced Biodigester Mk-II Technology in Metro Rail Network"

Highlights
  • DRDO’s biodigester is an indigenous, green and cost-effective technology, with a rare distinction.
  • Indian Railways has already installed about 2.40 lakh biodigesters in its fleet of passenger coaches.
  • This technology is upgraded through improvements in the bio-degradation efficiency, design modification and addition of secondary treatment module.
  • The new reactor is designed to provide more path length with increased biological reaction time, thereby enhancing the bio-degradation efficiency of the system.
  • This technology was primarily developed for the armed forces in high altitude Himalayan regions, including Leh-Ladakh and Siachen glacier.
Biodigester
  • The biodigester technology degrades and converts human waste into usable water and gases. The generated gas is used for cooking and water for irrigation purposes. This is done in an eco-friendly manner.
  • The biodigester technology involves bacteria that feed upon fecal matter.
  • The fecal matter is dumped into a tank along with the bio digesting bacteria. The bacteria through anaerobic process will degrade the fecal matter. During the process water and methane gas are released.
Source: PIB

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