With water purifier, in the end can drink on the safe water?

Recently, Ms. Liu, after moving into a new house, bought the water purifier listed on her shopping list. "In today's air pollution, food pollution, water pollution and other hidden dangers, I want to make sure that my life to the greatest possible degree of safety and health." However, earlier media reports that water purifiers easily cause two of pollution in the industry is already recognized. So, now on the market, water purifier effect is how to achieve? What are the major brands and prices? Is it really going to cause two pollution?

Pure water function depends on "core"
An industry personage said, the direct drink machine is by the filter to realize the water purification function, mainly uses the combination of PP cotton, activated carbon plus ultrafiltration membrane, or is the combination of PP cotton, activated carbon plus ro membrane. Among them, ultrafiltration membrane and ro membrane due to the size of the aperture, the final purification of the water quality will be different.

According to professionals, ultrafiltration membrane aperture of 0.01 microns, can isolate the bacteria in the water, sediment, purified water, is what we generally say "mineral water." The pore size of the 0.0001 micron "ro membrane", that is, reverse osmosis membrane, can remove heavy metals and bacteria in the water, as well as salt. After the "Ro membrane" purified water, is generally referred to as "pure water."

Price difference also see "core"
Now on the market, the price of water purifiers ranging from hundreds of dollars to thousands of of dollars. According to the store staff, household most common, cost-effective water purifier, the price is about 3000 yuan 4000 yuan.
How is this price difference formed? Industry insiders pointed out that the key point is the "filter" difference. Reporters in a few water purifier stores in the visit found that the use of "ro membrane" water purifier, the price is basically higher than the use of "ultrafiltration membrane" water purifier one thousand or two thousand dollars. According to the introduction, now the major water purifier brand used by the "RO membrane" are used in the United States Dow technology, therefore, the cost is naturally high. In addition, "ro membrane" compared to "ultrafiltration membrane", pore size is smaller, can filter heavy metals, water quality is more pure, the price is naturally different.

In general, the water after purification through water purifier will be stored in the matching tank. And the price of more than 6000 yuan of water purifiers, all contain two "ro membrane" filter, filtered out of the large amount of water, thus, no need to storage tanks, you can do now filter drink.

In addition to the different filter material caused by the difference in price, the design of the water purifier and the different types of PE shell cartridges, but also the cause of the price difference between water purifier.

The water in Shanghai city is mainly of high rust content, and the water quality contains a large amount of sediment. Experts remind consumers face a variety of water purification equipment, should not blindly pursue the price of expensive or high technology, and should be based on the needs of domestic water and the region's water quality characteristics of corresponding additions. The people interviewed said that, after using water purifier, "The taste of water has changed, there is no scale, in general, there is a certain role." "But he also said," the filter on-demand replacement is the premise. "

Can you drink the water after purification?
Consumers buy water purifiers, are to ensure the health of drinking water. For the previous media exposure of the water purifier caused two pollution problems, the industry said that if the filter raw material quality is not clear, or the production process control is not in place, will make the purification effect worse, and even easily become a hotbed of bacteria breeding, resulting in the total number of colonies exceeded. There are some enterprises in the choice of filter material when the hygienic conditions are not met, the result not only can not filter out the heavy metals in the water, but also introduce new pollution. Therefore, consumers in the purchase, also can not covet cheap, must choose good word of mouth, history long, good after-sales service brand.

Experts also remind that the formal water purifier manufacturers are required to have National Health Department of the wading documents, which is commonly known as the "water batch." Have "water batch" of the water purifier, it is indicated through the National Health Department inspection qualified, consumers can also query "water batch", to understand whether the water purifier is imported or domestic.
In addition, there are some water purifiers water consumption and power consumption, such as 100 tons of water through filtration, purification treatment, only to get about 20 tons of pure water, 80 tons of water is wasted, but also waste of the treatment of water consumed by a large amount of electricity. This is also consumers in the purchase of the need to pay attention to.

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With water purifier, in the end can drink on the safe water?