Tiger Digester Tank
The Tiger Digester Tank contains and decomposes waste.
The Tiger digestor tank is a digester tank that stores and treats human waste by decomposing it using vermifiltration.
Depends on if the customer buys only the digester or an entire toilet system. Slight variations in price depending on where the product should be installed.
Clivus Multrum digester tanks. Open defacation is probably the most challenging competition for the product rural and peri-urban areas in India.
Goal 6: Clean water and sanitation
Households in rural and peri-urban areas in India and Africa. Used in refugee camps by Oxfam., and the digester is dimensioned for a household of 6.
The tiger digester tank is a patent pending product.
Users obtain Tiger Toilet tanks through direct sales or from NGOs.
1500 toilets in 50 Indian villages
Type of toilet
Method of evacuation
How the fecal sludge is stored
The holding volume of the containment
Time until emptying is estimated to be needed
The digester tank contains earthworms and other organisms that decompose the waste.
Technical support is performed by the user or the supplier of the product. Tiger Toilets provides a team for installation.
Emptying needed every 5 years
The manufacturer specifies performance targets related to limiting odor and flies, and ensuring that 85-90% of the waste in the digester is broken down daily.
Tiger Toilets, Oxfam, PriMove, Water for people and Loughbourough University
No direct safety concerns
Toilet and superstructure
Fulong, C., et al., Technical and user evaluation of a novel worm-based, on-site sanitation system in rural India, Waterlines, 2016.
Pathogen reduction and total solid reduction fulfills Indian Standards.
Evaluation has been done by field trials studying volume reduction, smell, oxygen demand reduction, pathogen reduction and user satisfaction.
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