Evaluation of Membrane Ultrafiltration and Residual Chlorination as a Decentralized Water Treatment Strategy for Ten Rural Healthcare Facilities in Rwanda

Huttinger, Alexandra; Dreibelbis, Robert; Roha, Kristin; Ngabo, Fidel; Kayigamba, Felix; Mfura, Leodomir; Moe, Christine

doi:10.3390/ijerph121013602

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Evaluation of Membrane Ultrafiltration and Residual Chlorination as a Decentralized Water Treatment Strategy for Ten Rural Healthcare Facilities in Rwanda

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The Center for Global Safe Water, Sanitation and Hygiene at Emory University, 1518 Clifton Rd. NE, Atlanta, GA 30324, USA

School of Civil Engineering and Environmental Science, The University of Oklahoma, 455 West Lindsey, Dale Hall Tower 521, Norman, OK 73019, USA

The Republic of Rwanda Ministry of Health Maternal and Child Health Unit

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The Access Project Rwanda, P.O. Box 7393, Kigali, Rwanda

Author to whom correspondence should be addressed.

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These authors contributed equally to this work.

Academic Editors: Nicholas Frederick Gray and Panagiotis Karanis

Int. J. Environ. Res. Public Health 2015, 12(10), 13602-13623; https://doi.org/10.3390/ijerph121013602

Received: 12 August 2015 / Revised: 7 October 2015 / Accepted: 13 October 2015 / Published: 27 October 2015

(This article belongs to the Special Issue Water Microbial Pollution and Disinfection)

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Abstract

There is a critical need for safe water in healthcare facilities (HCF) in low-income countries. HCF rely on water supplies that may require additional on-site treatment, and need sustainable technologies that can deliver sufficient quantities of water. Water treatment systems (WTS) that utilize ultrafiltration membranes for water treatment can be a useful technology in low-income countries, but studies have not systematically examined the feasibility of this technology in low-income settings. We monitored 22 months of operation of 10 WTS, including pre-filtration, membrane ultrafiltration, and chlorine residual disinfection that were donated to and operated by rural HCF in Rwanda. The systems were fully operational for 74% of the observation period. The most frequent reasons for interruption were water shortage (8%) and failure of the chlorination mechanism (7%). When systems were operational, 98% of water samples collected from the HCF taps met World Health Organization (WHO) guidelines for microbiological water quality. Water quality deteriorated during treatment interruptions and when water was stored in containers. Sustained performance of the systems depended primarily on organizational factors: the ability of the HCF technician to perform routine servicing and repairs, and environmental factors: water and power availability and procurement of materials, including chlorine and replacement parts in Rwanda. View Full-Text

Keywords: low-income countries; chlorination; implementation; maintenance; membrane water treatment; operation; quality; sustainability; ultrafiltration

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Huttinger, A.; Dreibelbis, R.; Roha, K.; Ngabo, F.; Kayigamba, F.; Mfura, L.; Moe, C. Evaluation of Membrane Ultrafiltration and Residual Chlorination as a Decentralized Water Treatment Strategy for Ten Rural Healthcare Facilities in Rwanda. Int. J. Environ. Res. Public Health 2015, 12, 13602-13623. https://doi.org/10.3390/ijerph121013602

AMA Style

Huttinger A, Dreibelbis R, Roha K, Ngabo F, Kayigamba F, Mfura L, Moe C. Evaluation of Membrane Ultrafiltration and Residual Chlorination as a Decentralized Water Treatment Strategy for Ten Rural Healthcare Facilities in Rwanda. International Journal of Environmental Research and Public Health. 2015; 12(10):13602-13623. https://doi.org/10.3390/ijerph121013602

Chicago/Turabian Style

Huttinger, Alexandra, Robert Dreibelbis, Kristin Roha, Fidel Ngabo, Felix Kayigamba, Leodomir Mfura, and Christine Moe. 2015. "Evaluation of Membrane Ultrafiltration and Residual Chlorination as a Decentralized Water Treatment Strategy for Ten Rural Healthcare Facilities in Rwanda" International Journal of Environmental Research and Public Health 12, no. 10: 13602-13623. https://doi.org/10.3390/ijerph121013602

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Evaluation of Membrane Ultrafiltration and Residual Chlorination as a Decentralized Water Treatment Strategy for Ten Rural Healthcare Facilities in Rwanda

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