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Reverse osmosis is a kind of selective transmission (semi-permeable) membrane work force can be driven by the pressure of the membrane separation technology, when the pressure added to the system is greater than the osmotic pressure of the feed solution, water molecules constantly through the membrane, through the water flow into the center of the pipe, and then at one end of the outflow of the water impurities in the water, such as ions, organics, bacteria, viruses, etc., are retained in the inlet side of the membrane, and then in the thick end of the water outlet flow out, thus achieving the purpose of separation and purification. Oasis reverse osmosis water treatment equipment Reverse osmosis is the most sophisticated membrane liquid separation technology, in the feed water (concentrated solution) side of the operating pressure to overcome the natural osmotic pressure, when higher than the natural osmotic pressure of the operating pressure away from the side of the concentrated solution added to the natural osmosis of water molecules when the direction of the flow will be reversed, the water molecules in the feed water (concentrated solution) part of the water molecules through the reverse osmosis membrane to become a dilute solution side of the purified water production; reverse osmosis equipment can block All dissolved salts and molecular weight greater than 100 organic matter, but allows water molecules through, reverse osmosis composite membrane desalination rate is generally greater than 98%, they are widely used in industrial pure water and electronic ultrapure water preparation, drinking water production, boiler feed water and other processes, the use of reverse osmosis equipment before the exchange of ions can be greatly reduced to the bottom of the operation of water and wastewater emissions.