The Biosand Filter is celebrating thirty years of providing clean drinking water to communities in the developing world. The idea of designing a water filtration system small enough to be installed in ...

Low-cost biological sand (biosand) filters can help provide safe drinking water to people in rural and peri-urban areas in developing countries, who are being forced to drink contaminated water due to ...

Indeed, there are many available treatment options for household water, including biosand filters. A biosand filter consists of a concrete or a plastic container, filled with specially selected and ...