How to choose a water purifier

How to choose a water purifier

Is the weather in your home now blowing air conditioners or air conditioners?
Although the autumn has passed yesterday, it seems that the “cool autumn” seems to be far away~~~
In the hot summer, the best “beverage” is cool and white, but under high-temperature conditions, drinking water is undergoing subtle changes all the time, invisible, but there are health threats. Therefore, installing a water purifier at home is a guarantee for water safety.
The current water purifier industry has developed rapidly in recent years, and the water purifier branding market has gradually formed. The water purifier products are diversified and diverse. So how do you buy a water purifier?

Key point 1: According to the water quality of the area
The Ministry of Ecology and Environment notified the state of surface water environmental quality in December 2018.

The water quality is excellent (I to VIII), the proportion of the section is 74.2%, and the proportion of the inferior V section is 7.1%;
The proportions of the Yangtze River, the Yellow River, the Pearl River, the Songhua River, the Huaihe River, the Haihe River, the Liaohe River, the Zhuhe River in the northwest, the Zhuhe River in the northwest, the Zhuhe River in the southwest, and the Zhejing Plate in the southwest are excellent in water quality (I to VIII), which is 74.3%, up 2.5 percentage points year-on-year; The proportion of the V-type section was 6.9%, a decrease of 1.5 percentage points year-on-year. The main pollution indicators are chemical oxygen demand, ammonia nitrogen, and total phosphorus.
Among the 111 key lakes (libraries) monitored, the water quality was excellent (I~III), the lake bank accounted for 66.7%, up 4.2% year-on-year; the inferior V water quality accounted for 8.1%, down 2.6 percentage points year-on-year. The main pollution indicators are total phosphorus, chemical oxygen demand, and permanganate index.
– Ministry of Ecology and Environment

It can be seen that the water quality varies greatly from region to region, so the conditions for choosing a water purifier are also very different.
In some places, water quality conditions are very good. At this time, a simple ultrafiltration water purifier is used, and the problem is generally not big.
However, in areas with poor water quality, the ultrafiltration household water purifier appears to be stretched and cannot achieve the desired results. At this time, a reverse osmosis water purifier is needed.
In addition, the general water quality in the northern region is relatively hard. It is recommended to install a water softener to soften the water!

Key point 2: filter type and water purification material
At present, the mainstream filter elements on the market are PP cotton filter, activated carbon filter, ultrafiltration membrane, and RO membrane.
PP cotton filter mainly used to remove coarser particulate impurities in water;
Activated carbon filter element with the multi-pore surface, mainly used for adsorbing water, odor, residual chlorine and organic chemicals in water;
Ultrafiltration membrane with a filtration precision of 0.01 micron can effectively remove harmful substances such as sediment, rust, suspended solids, microorganisms, bacteria, viruses, rust and macromolecular organic substances in water;
RO membrane (also known as reverse osmosis membrane) is mainly used to remove all harmful substances such as pesticides, bacteria, viruses, heavy metals and ions in water. RO membrane filtration precision can reach 0.0001 microns.
One thing to note is that the water purifier level is not as good as possible. The key point is that the material is reliable.
The effectiveness of clean water is in principle determined by raw materials and production processes. A water purifier that does not meet the standard quality will not only fail to purify the water but may even cause pollution due to the material falling off.

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