Engineering for Change
Engineering for Change
Filtration process: Backwashing
Backwashing involves pressurizing the Lifestraw by pumping the red 'baloon' to ensure that particulates and removed from the membranes. The process takes about a minute but ensure that the Lifestraw's lifetime is extended.
748
views
0
faves
0
comments
Uploaded on December 1, 2011
Taken on July 3, 2010
Filtration process: Backwashing
Backwashing involves pressurizing the Lifestraw by pumping the red 'baloon' to ensure that particulates and removed from the membranes. The process takes about a minute but ensure that the Lifestraw's lifetime is extended.
748
views
0
faves
0
comments
Uploaded on December 1, 2011
Taken on July 3, 2010