Electrochlorination to help remove iron from Dakar’s water supplies

Senegal’s water utility Société Nationale des Eaux du Sénégal has awarded a €7.6 million contract to Veolia to build an iron removal water plant...

Content Dam Ww Online Articles 2017 02 Senegal

Content Dam Ww Online Articles 2017 02 Senegal

DAKAR, Senegal – Senegal’s water utility, Société Nationale des Eaux du Sénégal (SONES) has awarded a €7.6 million (4.9 billion West African CFA francs) contract to Veolia to build an iron removal water plant.

Veolia, through subsidiaries OTV and SADE, will design and build a 40,000 m3/day plant, which is part of SONES’s extensive program aimed at substantially increasing the drinking water supply to Dakar and its suburbs.

The investment is part of a plan to improve water quality because of some of the city’s water is sourced from boreholes with high iron content.

Treatment will consist of raw water aeration, physical-chemical treatment and sand filtration. The water will then by disinfected using chlorine produced on site by electrochlorination.

SONES, Senegal’s state-owned urban and suburban water utility, is the contracting authority for this project, which is financed by a West African Development Bank loan.

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