Nano Treatment for Water
23 December 2007, 20:28
Categories: filtration superhydrophobicphilic
Nanoscale carbon is enabling greater efficiency and longer lifetimes for the familiar water filter. Such filters are being produced by start-ups like Seldon Labs and KX Industries. Meanwhile, nanoscale engineering by GE and NanoH2O is helping make the conventional semi-permeable membranes commonly used for water filtration and desalination more efficient, and more selective in what they filter.
NanoH2O is aiming its membrane technology at the desalination sector, which currently delivers over 1 billion gallons per day and is expected to more than double by 2015. Their solution is to incorporate superhydrophilic (i.e. water-loving) nanoparticles into a reverse osmosis membrane. The result is a membrane surface that favors water molecules, leading to higher throughput and significantly reduced energy costs.
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Posted by: The Editors
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