Monday, July 25, 2011

Astronauts test pee-purifying tech in space

The Forward Osmosis Bag system consists of a bag with two chambers separated by a semi-permeable membrane. A sugary syrup is injected into the inner chamber (syringe at right), while the liquid to be purified is introduced into the outer one. Pure water passes across the membrane into the inner chamber, producing a potable liquid much like a sports drink.One of the last experiments ever performed on a space shuttle may one day help develop an efficient way to convert astronauts' urine into drinking water.


Source: http://www.msnbc.msn.com/id/43872537/ns/technology_and_science-space/

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