Biosand Filters

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1,383 bio-sand filters were built through Water for Life (Kampong Speu). Of the amount, 1,353 bio-sand filters were installed already for 1,564 households who reside in 16 villages of Ktum Kraing Commune and ???. Ktum Kraining is one of 15 communes of Kampong Speu Province’s Samrong Tong District.

According to our beneficiaries List, 8,604 household members were estimated as direct beneficiaries through above installations. It is almost  every household in the village received this household water treatment device. Some households in those villages didn’t . We are proud to work with…….

What is Biosand filter?

According to our technical supported partner, CAWST and from Wikipedia, A biosand filter (BSF) is a point-of-use water treatment system adapted from traditional slow sand filters. Biosand filters remove pathogens and suspended solids from water using biological and physical processes that take place in a sand column covered with a biofilm. BSFs have been shown to remove heavy metals, turbidity, bacteria, viruses and protozoa. BSFs also reduce discoloration, odor and unpleasant taste. Studies have shown a correlation between use of BSFs and a decrease in occurrence of diarrhoea.

BSF performance is comparable to other recommended household water treatment interventions, such as the ceramic water purifier; however BSFs provide the additional advantage of not being prone to breakage or needing replacement parts. BSF is a promising household point-of-use (POU) water treatment option to achieve sustained access to safe water.



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