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Water 2015, 7(3), 868-897; doi:10.3390/w7030868

Testing Metallic Iron Filtration Systems for Decentralized Water Treatment at Pilot Scale

1
Department of Chemistry, Faculty of Sciences, University of Douala, B.P. Douala 24157, Cameroon
2
Department of Applied Geology, University of Göttingen, Goldschmidtstraße 3, Göttingen D-37077, Germany
3
School of Civil and Environmental Engineering, University of South Wales, 110 King St, Manly Vale, NSW 2093, Australia
4
Kultur und Nachhaltige Entwicklung CDD e.V., Postfach 1502, Göttingen D-37005, Germany
5
Comité Afro-européen—Avenue Léopold II, Namur 41-5000, Belgium
6
Department of Sedimentology & Environmental Geology, University of Göttingen, Goldschmidtstraße 3, Göttingen D-37077, Germany
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Miklas Scholz
Received: 24 December 2014 / Revised: 29 January 2015 / Accepted: 11 February 2015 / Published: 2 March 2015
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Abstract

There are many factors to consider for the design of appropriate water treatment systems including: cost, the concentration and type of biological and/or chemical contamination, concentration limits at which contaminant(s) are required to be removed, required flow rate, level of local expertise for on-going maintenance, and social acceptance. An ideal technology should be effective at producing clean, potable water; however it must also be low-cost, low-energy (ideally energy-free) and require low-maintenance. The use of packed beds containing metallic iron (Fe0 filters) has the potential to become a cheap widespread technology for both safe drinking water provision and wastewater treatment. Fe0 filters have been intensively investigated over the past two decades, however, sound design criteria are still lacking. This article presents an overview of the design of Fe0 filters for decentralized water treatment particularly in the developing world. A design for safe drinking water to a community of 100 people is also discussed as starting module. It is suggested that Fe0 filters have the potential for significant worldwide applicability, but particularly in the developing world. The appropriate design of Fe0 filters, however, is site-specific and dependent upon the availability of local expertise/materials. View Full-Text
Keywords: decentralized water treatment; pilot study; water supply; zerovalent iron decentralized water treatment; pilot study; water supply; zerovalent iron
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Tepong-Tsindé, R.; Crane, R.; Noubactep, C.; Nassi, A.; Ruppert, H. Testing Metallic Iron Filtration Systems for Decentralized Water Treatment at Pilot Scale. Water 2015, 7, 868-897.

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