Monday, March 9, 2009

Reverse smosis water filter

Reverse osmosis is a filtration process typically used for water. It works by using pressure to force a mthrough a membrane, retaining the solute on one side and allowing the pure solvent to pass to the other side. This is the reverse of the normal osmosis process, which is the natural movement of solvent from an area of low solute concentration, through a membrane, to an area of high solute concentration when no external pressure is applied.


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