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Modelling the benefits of urine diversion for resource recovery: a case study of Arba Minch, Ethiopia

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conference contribution
posted on 12.02.2018, 15:08 by Franziska Meinzinger
Urine diversion provides a possibility of linking environmental sanitation and agricultural production. In order to support decision making with regard to the implementation of dry, urinediverting toilets (UDDT), material flow analysis (MFA) can represent a useful tool. This paper presents the use of a material flow analysis for water, sanitation and organic waste applied to the city of Arba Minch, Ethiopia. Mass flows as well as nitrogen and phosphorus flows are assessed. The results highlight the potential for reduced environmental pollution as well as the recovery of valuable nutrients through the application of urine and compost. Different implementation pathways are modelled including uncertainty analyses. The results show that the replacement of nitrogen and phosphorus fertiliser currently required within the system boundaries is possible at UDDT implementation rates between 20 and 50%. If more households are equipped with UDDTs, excess nutrients can be delivered to surrounding areas with higher farming intensities.

History

School

  • Architecture, Building and Civil Engineering

Research Unit

  • Water, Engineering and Development Centre (WEDC)

Published in

WEDC Conference

Citation

MEINZINGER, F., 2009. Modelling the benefits of urine diversion for resource recovery: a case study of Arba Minch, Ethiopia. IN: Shaw, R.J. (ed). Water, sanitation and hygiene - Sustainable development and multisectoral approaches: Proceedings of the 34th WEDC International Conference, Addis Ababa, Ethiopia, 18-22 May 2009, 9p.p.

Publisher

© WEDC, Loughborough University

Version

VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2009

Notes

This is a conference paper.

Other identifier

WEDC_ID:11061

Language

en

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