Water purifier purchase three ruler

One depends on the purification effect, the second depends on the cost of use, and the third depends on the secondary pollution.

The problem of water pollution caused by the industrialization process has made it possible to enjoy the green mountains and clear waters.

According to the latest "Report of the State Council on Safeguarding Drinking Water Safety," China has a total of 298 million people and 114,000 rural schools with water insecurity. In terms of structural composition, the population with substandard water quality accounted for 56.2%, and the population with insufficient water, convenience and guarantee rate did not reach 43.8%. The national demand for clean and reliable drinking water has spawned a rapidly developing water purification market.

At present, there are a lot of water purification products, and the purification methods are also different. The data show that the traditional water dispensers in the market are still relatively high, accounting for 41.1%, but showing a rapid decline. In comparison, the emerging pure water machine, water purifier, and straight drinking fountains currently occupy 54.7% of the market. The proportion is on the rise.

The market for pure water machine, water purifier and drinking water is fierce. How to choose a water purifier suitable for your family?

Select ruler 1: purification effect

At present, the purification technology of the mainstream water purification equipment in the market mainly adopts activated carbon adsorption purification, ultraviolet purification, microfiltration purification, ultrafiltration purification, reverse osmosis purification, and of course, there are also water purifiers using a composite purification method, in which ultraviolet purification is used alone. There are fewer devices because ultraviolet light can only kill some bacteria, but it cannot filter impurities.

If the water source in the consumer's area is better, just to improve the taste and reduce the secondary pollution of the water pipeline to the tap water, you can choose activated carbon or micro-filter water purifier, which is currently used in some countries in Europe and America. More demand. However, if the consumer's living area has polluting and polluting enterprises, it is recommended to use ultrafiltration or reverse osmosis water purifiers. Of course, due to the small diameter of the filtering impurities, this filter technology filters out harmful metals and germs. It also filters out some minerals that are good for the human body.

Select ruler 2: cost of use

In fact, consumers do not have to worry about the minerals lost in drinking water, because most of the minerals needed by the human body are derived from our food, we should pay more attention to the cost of using the water purifier. The daily use cost of the water purifier is mainly composed of two parts. The cost of replacing the filter and the filter element is because the current replacement period of such consumables is relatively long, and the short period is 3 months and then 1 year, and the cost is shared daily. It is still acceptable; the second is the wastewater rate of the water purifier, which means that we need a few liters of raw water for every 1 liter of clean water. Most of the ultrafiltration and reverse osmosis water purifiers have a wastewater rate of about 70%, with an average of 1 The clean water source requires 4 liters of raw water, especially after the implementation of the ladder water price in major cities. This cost is difficult for many consumers to accept. At present, reducing the user's use cost through the improvement of reverse osmosis water purification technology is an important issue for water purifier manufacturers.

Select ruler three: secondary pollution

Many water purifiers have their own water storage tanks, which are to store the purified water in a metal or ceramic container for consumers to use at any time. However, no matter which purification method and equipment cleaned water source is stored in the water storage tank for a long time, there will be secondary pollution or reduce the quality of the water, so the water purifier that can ensure the flow without the water storage tank is also the future market. Mainstream. (Liu Daren)

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