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1. Techniques for drinking water shortages or emergencies
1.1 Fabric filtration
Filtering the water is an important first step. If carried out correctly, it will improve the effectiveness of all the methods presented in this section.
Filtering muddy or dirty-looking water through a piece of thin, clean cotton cloth often removes some of the suspended solids and insect larvae contained in the water.
Cotton is the most suitable fabric. The fabric doesn't have to be transparent, but it shouldn't be too thick either, as it takes a long time to filter the water. Washing the cloth between each use will make filtering more efficient.
Fabric filtration alone is unlikely to make water from a contaminated source fit for consumption. But it does...
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Techniques for drinking water shortages or emergencies
Techniques for improving drinking water
Bibliography
- (1) - OMS - Traitement de l'eau de boisson au point d'utilisation dans les situations d'urgence, fiches techniques eau, hygiène, et assainissement en situation d'urgence - ( https://www.who.int/water_sanitation_health/publications/2011/05_traitement_eau_boisson_urgence.pdf...
Websites
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UAE – Union des entreprises d'affinage de l'eau.
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Softening hard water
Regulations
WHO guidelines for drinking water quality, updated in 2006
WHO – April 24, 2017 : Guidelines for drinking water quality: Fourth edition incorporating the first additive (download: https://www.who.int/fr/publications-detail/9789241549950 )
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