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Title: Effect of post-treatment conditions on the inactivation of Escherichia coli after the composting process
Authors: Darimani, Hamidatu
Ryusei, Ito
Sossou, S.K.
Amadou, H.
Issue Date: 2013
Publisher: © WEDC, Loughborough University
Citation: DARIMANI, H. ... et al, 2013. Effect of post-treatment conditions on the inactivation of Escherichia coli after the composting process. IN: Shaw, R.J. (ed). Delivering water, sanitation and hygiene services in an uncertain environment: Proceedings of the 36th WEDC International Conference, Nakuru, Kenya, 1-5 July 2013, 6p.p.
Abstract: A pilot study for the rural model of composting toilet with urine diversion is performed in three villages in Burkina Faso. Millet husk was used as a composting matrix. Compost made from fecal matter in this toilet has high concentration of pathogens that needs post-treatment to inactivate pathogens before using it as fertilizer or soil conditioner. Escherichia coli ATCC 11775 was used as an indicator microorganism in this study. The aim of this research is to evaluate the inactivation rate with environmental conditions such temperature, pH, and moisture content. Lab scale experiments were conducted setting environmental conditions that could inactivate Escherichia coli in post-treatment. Higher temperatures such as 50°C and 70°C with lower moisture content such as 50% can effectively inactivate Escherichia coli. Increasing the pH of the compost can also effectively inactivate Escherichia coli.
Description: This is a conference paper.
Version: Published
URI: https://dspace.lboro.ac.uk/2134/30890
Appears in Collections:WEDC 36th International Conference

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