Thursday, 12 September 2013

Bio-Digester Technology for safe human waste disposal

India’s Defence Research and Development Organization (DRDO) have invented Bio - Digester Technology as a solution to prevailing unhygienic sanitation methods.  Bio Toilet Technology facilitates termination to residual human excretory waste.  Human waste is decomposed by special lab mutated bacteria into water and bio gas.  The Bio-digester toilet is total maintenance-free system, which does not require any sewage system. The inoculums bacteria used in these bio-digester toilets procreate and generate new bacteria in an anaerobic environment without the need for repeat dosing.  The bacterial consortium degrades night soil to produce colorless, odorless and inflammable gas containing 50 – 70% methane. 

How It Works: A group of lab mutated bacteria decomposes the excretory waste through microbial reaction. Bio-digesters have 3 anaerobic chambers that treat Human wastes effectively, and don’t require any cleaning or emptying the tank because of its unique systematic structural arrangements.  The treatment, the task of cleansing water is continuously carried forward from the start to the end point, till the water exits the bio-digester.  When the treated water finally comes out it is 98% clean and free from entire pathogens.

The breakthrough technology has potential in the urban slums since the safe disposable of human waste is a major challenge.  The bio-digester technology has been successfully implemented in public toilets across India.  SPARC hopes to introduce this technology to the Mahila Milan and to explore the possibility of implementing the system within the slum.

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