Do you know what the air purifier mainly purifies?
The air purifier actually originated from firefighting purposes, but with the development of technology and the frequent outbreak of indoor air pollution, it has gradually become a kind of household air purification equipment! At first, the air purifier belongs to a kind of small household appliances. Under the impetus of smog, it has gradually become familiar and accepted by consumers. This has become a necessity in family life!
So the air purifier can purify those pollutants? First, we must first know what pollutants are in the indoor air. According to the US Environmental Protection Agency, there are about 400 kinds of pollutants in indoor air, but they are roughly divided into Chemical pollutants such as formaldehyde, benzene, TVOC; microbial contaminants such as bacteria, viruses, insects, and particulate pollutants such as dust and pollen.
As a device that can continuously improve the indoor air quality, the air purifier must be able to purify the above three types of pollutants. But in fact, the effect of many air purifiers is far from being achieved! This is because we have a large demand for air purifiers because of smog, so many air purifier manufacturers are purifying them in order to seize consumers. In terms of ability, it tends to move closer to pollutants such as dust and particulate matter.
However, as far as our current indoor air pollution is concerned, chemical pollutants such as formaldehyde, benzene, and TVOC are particularly harmful to us, and it is also the main indoor pollutant at present. The main source is decoration residue. So how does the air purifier clean up the chemical pollutants left by these decorations?
At present, the conventional air purifier on the market is convenient for pollutants such as formaldehyde, and an activated carbon filter is usually used for adsorption. Although activated carbon has a certain ability to adsorb formaldehyde, its drawbacks are also very obvious. According to the research, in ordinary households, the ordinary activated carbon filter will generally be saturated for about 2-3 months, and after saturation, the formaldehyde will be re-emitted into the air, causing secondary pollution. How to solve it, replace the filter!
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