Water purifier has advantages in purifying water source

Home water purifier, home drinking water safety, home water purifier experts generally believe that home water purifier is the last barrier of home drinking water safety. At present, the prevalence of water purifiers in developed countries has reached 70%.

Of course, due to the current domestic water purifier market, consumers should also polish their eyes when purchasing water purifier products, and make a comprehensive analysis and comparison from product brand, technology, technology, materials, services and other aspects.

At present, the water purifiers on the market mainly include membrane technology, ceramic filter technology and activated carbon technology. "Membrane technology" water purifier is divided into "microfiltration", "ultrafiltration", "nanofiltration" and "reverse osmosis". Among them, "microfiltration", "ultrafiltration" and "ceramic filter element" technologies can not filter out small pollutants; while "nanofiltration" and "reverse osmosis" can produce pure water, but they consume a lot of water and electricity, especially the minerals necessary for human body in the water. For example, the human body needs to take 80 mg of calcium from the water every day. The use of "reverse osmosis" water purification products needs to pay attention to calcium supplement.

Activated carbon adsorption technology is the earliest and most mature water purification technology, which has been widely used by mainstream water purifiers at home and abroad. Of course, the product quality of the water purifier using activated carbon technology in the market is also uneven. When selecting, we should pay attention to the comparison of the activated carbon material, density, adsorption area and other indicators. Coconut shell activated carbon, with developed pore structure, large surface area and strong adsorption performance, is an excellent adsorption material, which can remove these pollutants and retain the necessary calcium, magnesium and other minerals in water. In addition, lead, mercury and other heavy metals can also be removed by special treatment of activated carbon.

However, the content of nitrite in the water treated by activated carbon technology will increase slightly, but it is far lower than the national standard of 1mg / L. The amount of nitrite in the water filtered by activated carbon is only one hundredth of the total amount of normal intake, which can be ignored. In addition, active carbon can not remove pathogenic microorganisms in water, while ultraviolet has a broad-spectrum effect of killing bacteria and viruses, and will not produce by-products. Therefore, consumers can choose the water purification product with the combination of active carbon and ultraviolet.