Now more and more families and companies have higher and higher requirements for water quality. The human body is mainly composed of water. There are sometimes yellow sediments in Bian Xiao's tap water, which makes Bian Xiao worry about the increasingly serious water pollution and the secondary pollution of drinking water. He was afraid that drinking unclean water would be harmful to his health, so he went for a walk in the water purifier market. Many salespeople keep promoting Bian Xiao's beneficial source water purifier. While paying attention to the advantages of the beneficial source water purifier, do you also understand the disadvantages of the beneficial source water purifier?

The first process of tap water production is to add "water purifying agent"-basic aluminum chloride (commonly known as alum) to raw water. Basic aluminum chloride can produce positive charge in raw water, which makes the tiny particles in water form larger particle clusters under the action of static electricity, so it is easy to precipitate. The second production process-precipitation, which includes "grid reaction tank-→ inclined tube sedimentation tank". The third production process-filtration, which includes "inclined tube sedimentation tank → gas-water backwashing filter → clear water tank". The fourth process-pressurized water supply, including "clean water pool-secondary pump house-water supply pipe network".

1, tap water treatment process is to filter millions or even tens of thousands of tons of water, and the amount of water is too large to ensure the filtering effect.

2. From the perspective of filtration technology, tap water filtration is a relatively simple filtration. Up to now, there are two kinds of tap water standards in China, one is item 35 in 1985, and the other is item 106 in 2007, which was implemented in 20 12 years. At present, it is quite difficult to implement.

3, adding bleaching powder, although sterilization, but at the same time caused a major hidden danger, chloroform produced by heating is a strong carcinogen. The latest data of 20 10 shows that the number of cancer patients in China is more than 200 times higher than that of 1980, which is closely related to the chlorination of tap water.

4, secondary pollution, tap water through a long pipeline to the high-rise water tank, for many years, pipeline aging, water tank pollution, these are hidden dangers of tap water.

Bian Xiao, like most families, when visiting the water purifier market, only heard the sales staff take pains to enlarge the advantages of Yizhiyuan water purifier, but never mentioned the disadvantages of Yizhiyuan water purifier. Of course, this is a marketing tool. Sales staff hope to promote the transaction of orders by understanding the advantages of Yizhiyuan water purifier. As consumers, we should have a more comprehensive understanding of the use of Yizhiyuan water purifier. Through Bian Xiao's explanation today, I believe that when we face the water purifier of Yizhiyuan,

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