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Reverse osmosis

The process that forces the movement of molecules through a semipermeable membrane, which separates two types of liquids of different density. Naturally, the phenomenon of osmosis means spontaneous movement of molecules of solvent from a solution of lower concentration to a solution with a higher concentration of solute.

In the case of reverse osmosis, this movement proceeds in the opposite direction and consequently increases the difference in concentration between the solutions. This phenomenon is used in various industrial solutions. One of them is the process of desalination of seawater on ships or sewage treatment.

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