What is a Reverse osmosis water purifier?

A reverse osmosis membrane is a filtration membrane with fine pores that allows only water molecules to pass through without allowing impurities to pass through, and is sometimes called the RO membrane, which is an acronym for English notation. While the pore size of a general osmosis membrane is 1 micrometer, the reverse osmosis membrane has a very fine pore diameter of 2 nanomicrometers or less. Unlike the general osmosis phenomenon, only water molecules from the aqueous solution pass through the reverse osmosis membrane by causing a reverse osmosis phenomenon that acts to move water molecules to the pure water side by applying external pressure to the aqueous solution side. Because it can be done, it is possible to remove impurities and create extremely pure water. When a reverse osmosis membrane is used in a water purifier, it is characterized by its extremely high ability to remove impurities.

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