water purification industry increasingly hot, many water purifiers quality for consumers, but it will feel a loss. So, how to buy the right product? Expert advice: choose what kind of water purifier, water quality should be determined according to the location of residence, personal needs and drinking water treatment effect.
a, ultrafiltration machine: these products are used in the filter structure, according to different needs, several types of models, is the mainstream models on the market. Usually coarse filter direct drinking water purifier and the purifier series, coarse filter water purifier for general use PP cotton filter and activated carbon filter, the water may be removed visually seen magazines, rust, sand and other harmful substances, but not direct drinking, drink straight water purification machines generally use ultrafiltration or nanofiltration membrane filter cartridge, water volume, high-precision filter can effectively remove all kinds of bacteria, viruses, E. coli and other harmful macromolecules, filtered water is safe to drink, retains the low-cost, easy installation, long life advantages of beneficial minerals, mineral water of equivalent quality, suitable for the entire family use or kitchen use, with. The only drawback is that calcium and magnesium ions can not be removed (water base) in water, if the water softener with the use effect is very perfect.
Second, the water machine: These products are used in RO reverse osmosis technology, first appeared in the aerospace industry in order to solve the drinking water for the astronauts and research and development, the advantage is water of high precision (in addition to water molecules, any substance that would go). The disadvantage is that purified water is too pure, lack of trace elements beneficial to humans, the average cup of water to produce 3 cups of wastewater, and must electricity. The machine itself and maintenance costs are relatively high, because the pipe joints are more prone to water seepage and other minor problems.
Third, the water softener: this product according to the principles of ion exchange, i.e., + exchange Mg2 + Ca2 + with Na, the water hardness is reduced to 70 mg / liter to become soft, the main function is to remove limescale, scale. Water softener advantage is the ability to remove scale, good water base effect, while large flow, substantially without reducing the water pressure. Soft water cleaning capability exceptionally strong, laundry, shower, skin care strong effect, high degree of clean, soft water to avoid all kinds of water heaters, central air conditioning scaling, to prevent clogging shower. The disadvantage is notEliminate bacteria, viruses and other organic matter, it is not recommended for direct health drink, and need to consume salt during reproduction a certain amount of waste water produced.
Fourth, the magnetization Water: water changed by the magnetic molecules, help the body absorb more. There gastrointestinal diseases such products should be used with caution, because the water has a certain magnetic stimulation of the stomach.
Fifth, the central water: This is the total water purifier mounted on the inlet pipe of the house, so that all are at home water purifier, filter the advantage of long life (minimum also 5 years), easy to operate, simultaneously with the backwash function, you can extend the life of the filter. The disadvantage is not particularly high precision purification, if used to treat drinking water, the effect is not particularly good.
Sixth, the electrolysis of water: electrolytically by electrolysis of water to two kinds of acid water, alkaline water for drinking, for acidic water bath, the product was first It is used to make medical devices, for common skin disease have a certain effect. The disadvantage is the high cost (about 6000 Common poly), while the pH of the water also depends on the electrolytic plate, need electricity. Recommended under the guidance of a doctor, the blind use may cause side effects for some people.
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