27 Feb '14, 6pm

Water Filter Made from a Tree Branch Removes 99% of E. coli Bacteria

Water Filter Made from a Tree Branch Removes 99% of E. coli Bacteria

The team used white pine branches, with the outer bark stripped off, and secured the pieces in a piece of plastic tubing to create the water filter . Sapwood, which is made up of porous tissue called xylem, moves sap from the trees’ roots to their crowns with a system of tiny pores and vessels, and lends itself naturally to the task of filtering water of contaminants measuring as small as 70 nanometers.

Full article: http://ecopreneurist.com/2014/02/27/water-filter-made-tre...

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