Reverse Osmosis is the device that uses semi-permeable membrane under the pressure differences function to make the salt water desalination and purification. It is on the contrary of natural direction, so it is called reverse osmosis. It can remove more than 97% solubility of salts in the water and more than 99% of the gel, micro-organisms, and particulate organic matter and so on. It is the first choice equipment of modern water and purified water treament.
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