Nowadays, the problem of water pollution in life is getting more and more serious. The water purifier has emerged as the times require, and it has received widespread attention. There are still many negative voices in it. I feel that the water purifier is not good. I think that the water purifier is filtering harmful substances. At the same time, it also filters out trace elements that are beneficial to the body. Long-term drinking is not conducive to good health, but harmful. Is this really the case? Let's take a look.
Now that the water in the city is tap water, where is our tap water coming from?
The water source of tap water is taken from groundwater, rivers and lakes, seawater desalination, etc. These waters cannot be directly consumed. In particular, some rivers are polluted differently, and need to pass through the process of sedimentation, disinfection, filtration, etc. of the waterworks to produce a conformity. National drinking water standards, water that can supply people's lives, production and use.
Since the water produced by the waterworks has already met the national drinking water standards, why do you need a water purifier?
To know the water output from the waterworks, the long-distance transportation through multi-stage pipelines, and the long-term unwashed pipelines, the tap water delivered to our home is mixed with different impurities. The tap water is mainly sterilized by chlorine gas. There is still residual chlorine in the water. It is not ruled out that a small number of germs can escape, and the water plant cannot remove scale, heavy metals and volatile substances in the water.
Do you dare to drink such water?
This is why everyone shouts about installing a water purifier, but the "human" red is not much. There is a lot of controversy about the water purifier. The biggest controversy is that the water purifier filters out the trace elements needed by the human body. .
First of all, this is an indirect affirmation that the filter technology of the water purifier is good and the filtration precision is dense. The working principle of the water purifier is to purify the water layer by various filter elements (such as PP cotton, activated carbon, reverse osmosis membrane, etc.) to remove sediment, rust, bacteria, viruses, residual chlorine and other substances in the water.
Secondly, for today's drinking water pollution is so serious, even the water we drink can not guarantee safety, and some trace elements in the entangled water are filtered out? This is really unpredictable.
Will the final water purifier really filter out trace elements in the water?
In fact, water purifiers are classified, there are water purifiers that can be used for drinking, soft water machines that filter domestic water, and pure water machines that filter out almost all minerals. As long as the water filtered by the water purifier without reverse osmosis membrane still retains part of the minerals, the soft water machine mainly turns the hard water into soft water and can't drink. The pure water machine basically has reverse osmosis membrane, and it is not recommended. drink.
Finally, the minerals in the water are negligible.
The body's channels for replenishing minerals are not supplemented by water. The food can fully satisfy the minerals needed by the body. Therefore, the effect of drinking water is to replenish water instead of supplementing these minerals. The main task of the water purifier is to Solve the problem of secondary pollution of tap water.
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