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What is the principle of RO reverse osmosis? Mar 15, 2018


RO (Reverse Osmosis) Reverse Osmosis technology is the use of differential pressure gauge for dynamic membrane filtration technology, originated in the us aerospace science and technology research in the 1960 s, after gradually into civil, has been widely used in scientific research, medicine, food, beverage, water desalination, etc.

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RO reverse osmosis membrane pore size is small to nanoscale nano = 10 ^ (1-9 meters), under the certain pressure, H2O molecules can pass RO membrane, and the source of the inorganic salt in the water, heavy metal ions, organic matter, colloid, bacteria, viruses and other impurities through the RO membrane, so that can pass through water and not through the enrichment of water strictly separated.

General water after RO membrane filtration, the pure water conductivity 5 mu s/cm (RO membrane filtered water conductivity = water conductivity x desalination rate, average import reverse osmosis membrane desalination rate can achieve 99% above, five years running can guarantee more than 97%.

For the high water conductivity, the two-stage reverse osmosis can be adopted. After simple treatment, the water conductance can be less than 1 mu s/cm, which conforms to the national laboratory standard for water use.

The discharge resistivity can reach 18.2 m. cm, exceeding the national laboratory water standard (GB 6682-92).

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