biosand filter Archives | The American Ceramic Society

biosand filter

Missouri S&T researchers question need for silver additive to ceramic water filter

By / September 2, 2010

Pot-shaped filters, like those above, are used to remove bacteria from water in Guatemala. The filters are typically made out of native sawdust and clay, and imported colloidal silver. (Credit: Missouri S&T.) Ceramic pot filters are crucial for accessing clean water in third-world countries and underdeveloped regions of emerging nations. For a variety of reasons,…

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