Design, performance, and demand for a novel in-line chlorine doser to increase safe water access

Abstract Financially sustainable strategies are needed to increase access to safe drinking water in low-income settings. We designed a novel in-line chlorine doser that employs the Venturi principle to automatically add liquid chlorine at the point of water collection (tap outflows). The Venturi doe...

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Autores principales:	Julie E. Powers, Cynthia McMurry, Sarah Gannon, Adam Drolet, Jared Oremo, Linden Klein, Yoshika Crider, Jennifer Davis, Amy J. Pickering
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/7ce8bcacb37e49eca900cd5e81d9c888
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spelling	oai:doaj.org-article:7ce8bcacb37e49eca900cd5e81d9c8882021-12-02T13:36:42ZDesign, performance, and demand for a novel in-line chlorine doser to increase safe water access10.1038/s41545-020-00091-12059-7037https://doaj.org/article/7ce8bcacb37e49eca900cd5e81d9c8882021-01-01T00:00:00Zhttps://doi.org/10.1038/s41545-020-00091-1https://doaj.org/toc/2059-7037Abstract Financially sustainable strategies are needed to increase access to safe drinking water in low-income settings. We designed a novel in-line chlorine doser that employs the Venturi principle to automatically add liquid chlorine at the point of water collection (tap outflows). The Venturi does not require electricity or moving parts, and users do not have to change the way they typically collect water. We field-tested the Venturi and assessed its technical performance and sales viability at water kiosks in Kisumu County, Kenya. We offered kiosk owners 6-month service packages to lease or lease-to-own the device; 27% of kiosks given a sales pitch committed to a service package. All but one kiosk paid in full during the 6-month service period and more than two-thirds purchased the device with payments totaling >$250 USD per kiosk. Kiosk customers could choose to purchase chlorinated or unchlorinated water from separate taps; 66% reported buying chlorinated water. Kiosk taps fitted with the Venturi had detectable free chlorine residual 97.6% of the time. The technical performance of the Venturi and effective demand from kiosks indicate high potential for the Venturi to increase safe water access in low-income communities.Julie E. PowersCynthia McMurrySarah GannonAdam DroletJared OremoLinden KleinYoshika CriderJennifer DavisAmy J. PickeringNature PortfolioarticleWater supply for domestic and industrial purposesTD201-500ENnpj Clean Water, Vol 4, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Water supply for domestic and industrial purposes TD201-500
spellingShingle	Water supply for domestic and industrial purposes TD201-500 Julie E. Powers Cynthia McMurry Sarah Gannon Adam Drolet Jared Oremo Linden Klein Yoshika Crider Jennifer Davis Amy J. Pickering Design, performance, and demand for a novel in-line chlorine doser to increase safe water access
description	Abstract Financially sustainable strategies are needed to increase access to safe drinking water in low-income settings. We designed a novel in-line chlorine doser that employs the Venturi principle to automatically add liquid chlorine at the point of water collection (tap outflows). The Venturi does not require electricity or moving parts, and users do not have to change the way they typically collect water. We field-tested the Venturi and assessed its technical performance and sales viability at water kiosks in Kisumu County, Kenya. We offered kiosk owners 6-month service packages to lease or lease-to-own the device; 27% of kiosks given a sales pitch committed to a service package. All but one kiosk paid in full during the 6-month service period and more than two-thirds purchased the device with payments totaling >$250 USD per kiosk. Kiosk customers could choose to purchase chlorinated or unchlorinated water from separate taps; 66% reported buying chlorinated water. Kiosk taps fitted with the Venturi had detectable free chlorine residual 97.6% of the time. The technical performance of the Venturi and effective demand from kiosks indicate high potential for the Venturi to increase safe water access in low-income communities.
format	article
author	Julie E. Powers Cynthia McMurry Sarah Gannon Adam Drolet Jared Oremo Linden Klein Yoshika Crider Jennifer Davis Amy J. Pickering
author_facet	Julie E. Powers Cynthia McMurry Sarah Gannon Adam Drolet Jared Oremo Linden Klein Yoshika Crider Jennifer Davis Amy J. Pickering
author_sort	Julie E. Powers
title	Design, performance, and demand for a novel in-line chlorine doser to increase safe water access
title_short	Design, performance, and demand for a novel in-line chlorine doser to increase safe water access
title_full	Design, performance, and demand for a novel in-line chlorine doser to increase safe water access
title_fullStr	Design, performance, and demand for a novel in-line chlorine doser to increase safe water access
title_full_unstemmed	Design, performance, and demand for a novel in-line chlorine doser to increase safe water access
title_sort	design, performance, and demand for a novel in-line chlorine doser to increase safe water access
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/7ce8bcacb37e49eca900cd5e81d9c888
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Design, performance, and demand for a novel in-line chlorine doser to increase safe water access

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