RO is a water purification method that uses a partially permeable membrane to separate ions, unwanted molecules, and larger particles from drinking water. In reverse osmosis, an applied pressure is used to overcome osmotic pressure, a colligative property caused by chemical potential differences in the solvent, which is a thermodynamic parameter. Reverse osmosis can remove a wide range of dissolved and suspended chemical species, as well as biological species (primarily bacteria), from water and is used in both industrial processes and potable water production. Please see this ppt for more information.

Dency Varghese

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