Reverse osmosis | Definition, Process, & Uses | Britannica
https://www.britannica.com/science/reverse-osmosis
WEBMar 15, 2024 · reverse osmosis, separation technique in which pressure applied to a solution forces the solvent through a semipermeable membrane from a region of low concentration to one of high concentration, leaving behind the solutes. The membrane allows passage of small solution components, such as fresh water, while preventing …
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