On January 5, 2021, Defence Research and Development Organisation (DRDO) & Maharashtra Metro Rail Corporation (MAHA-METRO) signed an Memorandum of Understanding (MoU) through which DRDO will provide technical support for the implementation of advanced biodigester Mk-II technology for treatment of human waste (night soil) in the metro rail network.
i.The biodigester units (a non-sewered sanitation technology) will help in conserving water & protecting the environment.
ii.The agreement was signed by Dr DK Dubey, Director of DRDE, Gwalior & Atul Gadgil, Director, Maha-Metro Rail Corporation Limited, Pune. The agreement was exchanged by Dr AK Singh, Distinguished Scientists & Director General-Life Sciences, DRDO Headquarters, New Delhi on behalf of DRDO & Dr Brijesh Dixit, Managing Director, Maharashtra Metro Rail Corporation Limited (MMRCL) on behalf of Maharashtra Metro Rail Corporation.
i.It converts human waste in usable water and gases, which will be used for cooking and water for irrigation purposes.
ii.During the process the fecal matter is dumped into a tank which is filled with bio digesting bacteria, which will degrade the fecal matter.
i.The Biodigester is an indigenous, green & cost-effective technology and was originally developed for the armed forces in high altitude Himalayan regions which include Leh-Ladakh & Siachen Glacier.
ii.The Indian Railways has installed around 2.40 Lakh Biodigesters in its passenger coaches.
iii.The Mk-II Technology being used for MAHA-METRO is a revamped & improvised version. The new improvements have increased the bio-degradation efficiency, design modification & addition of secondary treatment modules.
Demonstration of Mk-II Biodigester in Dal Lake, J&K:
i.A customized version of Mk-II Biodigester to treat human waste generated from houseboats in Dal Lake was demonstrated by DRDO to Jammu & Kashmir (J&K) Administration.
ii.Lakes & Waterways Development Authority (LWDA) of J&K Administration started the process to acquire 100 units of Mk-II Biodigester for civil habitats around Dal Lake to reduce water pollution.
iii.The implementation of Biodigester Mk-II is monitored by a committee of experts formed by the High Court of Jammu & Kashmir. The committee is led by Dr E Sreedharan, Former MD of Delhi Metro Rail Corporation (DMRC).
iv.The technology is expected to reduce the Dal Lake pollution.
Recent Related News:
i.June 2, 2020, Institute of Nuclear Medicine and Allied Science(INMAS) a Delhi based laboratory of DRDO in association with Gel Craft Healthcare Private Ltd., Ghaziabad developed “Ultra Swachh”, a disinfection unit to disinfect Personal Protective Equipments (PPEs), electronic items, fabrics and other materials.
About Defence Research & Development Organisation (DRDO):
Chairman – G Satheesh Reddy
Headquarters– New Delhi
About Maharashtra Metro Rail Corporation Limited (MAHA-METRO):
Chairman – Durga Shanker Mishra
Headquarters – Nagpur, Maharashtra