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Title: The development of an onsite sanitation system based on vermifiltration: the ‘tiger toilet’
Authors: Furlong, Claire
Gibson, W.T.
Templeton, M.R.
Taillade, M.
Kassam, F.
Crabb, G.
Goodsell, R.
McQuilkin, J.
Oak, A.
Thakar, G.
Kodgire, M.
Patankar, R.
Keywords: Eisenia fetida
Faecal sludge
Issue Date: 2015
Publisher: © IWA Publishing
Citation: FURLONG, C. ... et al, 2015. The development of an onsite sanitation system based on vermifiltration: the ‘tiger toilet’. Journal of Water Sanitation and Hygiene for Development, 5(4), pp.608-613.
Abstract: This paper describes the development of a novel onsite sanitation system based on vermifiltration, the ‘Tiger Toilet’. Initial laboratory experiments demonstrated that feed distribution was not required, a worm density of 2 kg/m2 could be used, worms preferred wetter environments, and system configuration did not affect effluent quality. Installing the first prototype in the UK proved that the process functioned when scaled, i.e., chemical oxygen demand and thermotolerant coliform reduction were found to be comparable with the laboratory results. Ten prototypes were then tested by households in rural India; all were working well after six months. The vermifilters were processing the amount of faeces entering the system on a daily basis, so faeces was not accumulating. It was estimated that they would require emptying after approximately five years, based on the depth of the vermicompost generated. With further development, it is believed that the Tiger Toilet has the potential to become a superior form of onsite sanitation, when compared with traditional onsite sanitation technologies.
Description: This paper was accepted for publication in the journal Journal of Water Sanitation and Hygiene for Development and the definitive published version is available at http://dx.doi.org/10.2166/washdev.2015.167
Sponsor: The authors acknowledge the support of the Bill and Melinda Gates Foundation through a grant to the London School of Hygiene and Tropical Medicine and USAID DIV grant number AID-OAA-F-13-00049 awarded to Bear Valley Ventures Ltd.
Version: Accepted for publication
DOI: 10.2166/washdev.2015.167
URI: https://dspace.lboro.ac.uk/2134/19851
Publisher Link: http://dx.doi.org/10.2166/washdev.2015.167
ISSN: 2043-9083
Appears in Collections:Published Articles (Civil and Building Engineering)

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