Some people may ask: If this is the case, do we only need to use an RO reverse osmosis membrane to solve the problem of water purification? Then why should we spend more money to buy a water purifier? Although the filtration function of RO reverse osmosis membrane is very powerful, RO reverse osmosis itself also has many disadvantages. The design principles of RO reverse osmosis water purifiers are actually centered around solving the shortcomings of the RO reverse osmosis membrane itself.
1. The filtration precision of the RO reverse osmosis membrane is 0.0005 microns. Such a high filtration precision means that its pore size is very small, but it is also easy to get clogged. Therefore, the first-stage filter element of the RO reverse osmosis water purifier is: PP cotton filter element. The main function of the PP cotton filter element is to filter visible substances in the water, such as large particles of sand, rust, colloids, red worms, etc.
2. PS poly inkstone material is easily corroded, and residual chlorine in tap water is corrosive, so there is a second-stage filter element for RO reverse osmosis water purifier: activated carbon filter element. The main function of the activated carbon filter is to absorb organic compounds, pesticide residues, some heavy metals and residual chlorine in the water.
3. Due to the high filtration accuracy of the RO reverse osmosis membrane, it is difficult for the source water to pass through the reverse osmosis membrane relying on ordinary tap water pressure. Therefore, pressurization is required at this link: a booster pump. This is also why RO reverse osmosis water purifiers consume electricity.
4. Because the RO reverse osmosis membrane is prone to dirt, blockage, and corrosion, when producing water, a large amount of water is also needed to flush the residual impurities on the reverse osmosis membrane to avoid affecting its service life.Therefore,wastewater is produced