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White Teeth and Healthy Skeletons for All: The Path to Universal Fluoride-Free DrinkingWater in Tanzania

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dc.contributor.author Ndé-Tchoupé, Arnaud Igor
dc.contributor.author Tepong-Tsindé, Raoul
dc.contributor.author Lufingo, Mesia
dc.contributor.author Pembe-Ali, Zuleikha
dc.contributor.author Lugodisha, Innocent
dc.contributor.author Mureth, Risala Iddi
dc.contributor.author Nkinda, Mihayo
dc.contributor.author Marwa, Janeth
dc.contributor.author Gwenzi, Willis
dc.contributor.author Mwamila, Tulinave Burton
dc.contributor.author Rahman, Mohammad Azizur
dc.contributor.author Noubactep, Chicgoua
dc.contributor.author Njau, Karoli N.
dc.date.accessioned 2020-02-13T10:57:27Z
dc.date.available 2020-02-13T10:57:27Z
dc.date.issued 2019-01-12
dc.identifier.uri doi:10.3390/w11010131
dc.identifier.uri http://dspace.nm-aist.ac.tz/handle/123456789/558
dc.description This concept paper published by MDPI, 2019 en_US
dc.description.abstract Fluorosis has been prevalent in the great East African Rift Valley (EARV) since before this region was given a name. In the Tanganyika days, Germans reported elevated fluoride concentrations in natural waters. In the 1930s, the clear relationship between high fluoride level and mottling of teeth was established. Since then, the global research community has engaged in the battle to provide fluoride-free drinking water, and the battle is not yet won for low-income communities. An applicable concept for fluoride-free drinking water in the EARV was recently presented, using the Kilimanjaro as a rainwater harvesting park. The Kilimanjaro concept implies that rainwater is harvested, stored on the Kilimanjaro mountains, gravity-transported to the point of use, eventually blended with natural water and treated for distribution. This article provides a roadmap for the implementation of the Kilimanjaro concept in Tanzania. Specifically, the current paper addresses the following: (i) presents updated nationwide information on fluoride contaminated areas, (ii) discusses the quality and quantity of rainwater, and current rainwater harvesting practices in Tanzania, (iii) highlights how low-cost water filters based on Fe0/biochar can be integrating into rainwater harvesting (RWH) systems to provide clean drinking water, and (iv) discusses the need for strict regulation of RWH practices to optimize water collection and storage, while simplifying the water treatment chain, and recommends strict analytical monitoring of water quality and public education to sustain public health in the EARV. In summary, it is demonstrated that, by combining rainwater harvesting and low-cots water treatment methods, the Kilimanjaro concept has the potential to provide clean drinking water, and overcome fluorosis on a long-term basis. However, a detailed design process is required to determine: (i) institutional roles, and community contributions and participation, (ii) optimal location and sizing of conveyance and storage facilities to avoid excessive pumping costs, and (iii) project funding mechanisms, including prospects for government subsidy. By drawing attention to the Kilimanjaro concept, the article calls for African engineers and scientists to take the lead in translating this concept into reality for the benefit of public health, while simultaneously increasing their self-confidence to address other developmental challenges pervasive in Africa. en_US
dc.language.iso en en_US
dc.publisher MDPI en_US
dc.subject Bone char technique en_US
dc.subject Defluoridation technologies en_US
dc.subject Rainwater harvesting en_US
dc.subject Slow sand filter en_US
dc.subject Water treatment en_US
dc.subject Zerovalent iron en_US
dc.title White Teeth and Healthy Skeletons for All: The Path to Universal Fluoride-Free DrinkingWater in Tanzania en_US
dc.type Article en_US


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