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Reverse Osmosis
Reverse Osmosis

Reverse Osmosis is a process used to remove ionic pollutants in water. It uses a semipermeable membrane to separate unwanted salts, while letting clean water pass through. 

In a nonspontaneous process like reverse osmosis, an external driving force allows the process proceed. In this case, the external force is pressure, which helps the water move from a point of higher solute concentration to that of a lower solute concentration. This is as opposed to the spontaneous process of osmosis, where water flows from a point of lower solute concentration to that of a higher solute concentration.

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Reverse osmosis should generally be able to remove extracellular microcystin and cylindrospermopsin. However, it is recommended to conduct site specific tests since removal efficiency depends on the membrane and the raw water source and quality. 

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