Simple and economical solutions for 2.5 billion people that do not have water safe to drink
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Facilitating access to water
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Treating
E 25- Possibilities of using sea water or brackish water desalination. Perspectives
E24 - Pretreatment in urban area by lamellar settling
E23 - Pretreatment – flocculation and settling– using moringa oleifera grains
E22 - Treatment by ceramic filters
E21 - Treatment by slow sand filtration for use in the home
E20 - Treatment using solar power and production of UV radiation
E18 - Treatment by chlorination
E19 -Treatment by sun exposure. SODIS and Solvatten methods
E17 - Simple water treatment methods for use in the home
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