Hydraulic ram pumps and Sling Pumps

Solar Water Disinfection10 January 2005Solar Water DisinfectionA Water Treatment Process used at Household LevelenglishfrenchgermanturkishAt least one third of the population in developing countries has no access to safe drinking water. Thelack of adequate water supply and sanitation facilities causes a serious health hazard and exposesmany to the risk of water-borne diseases:There are about 4 billion cases of diarrhoea per year, out of which 2.5 million cases end in death. Every15 seconds a child dies of dehydration due to diarrhoea.SODIS, Solar Water Disinfection,improves the microbiological quality of drinking water:It is a simple water treatment method usingsolar UV-A radiation and temperatureto inactivate pathogens causing diarrhoea.SODIS is used at household level under the responsibility of the user.Therefore EAWAG is not liable for any harm caused by a faulty or inadequate application of the watertreatment process.http://www.sodis.ch/ (1 of 2) [1/13/2005 12:49:35 PM]