The principle and structure of air purifier to remove formaldehyde!Air purifier Vendor

　　The principle and structure of air purifier to remove formaldehyde

　　The principle of the air purifier is to promote the circulation of air through the ventilation system. The air to be filtered will flow into the 3-4 layers of filters from the air inlet to adsorb and decompose the formaldehyde molecules in the air. After continuous circulation, the air will be reduced. The content of formaldehyde can finally achieve the purpose of purifying formaldehyde.

　　At present, most of the air purifier filter choices on the market follow the "initial effect + activated carbon + high efficiency" model of accumulation. The first layer isolates larger particles; the second layer decomposes harmful gases such as formaldehyde. The third layer removes fine particles such as PM2.5.

　　Among them, there are generally three kinds of filters used to filter formaldehyde. First, most of them use activated carbon as the main adsorbent for removing formaldehyde. It is a porous carbon with low bulk density and large specific surface area. It can adsorb formaldehyde and toluene. There are a variety of gaseous pollutants inside; the second is negative oxygen ions, which are degraded into carbon dioxide and water by opening the chemical bonds of organic pollutants such as formaldehyde; the third is through a catalyst called photocatalyst, which stimulates the surrounding Water molecules and oxygen molecules are ionized to decompose harmful gases such as formaldehyde.

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