There are definitely a lot of opportunities to meet friends and family at the end of the year, but this year some small partners talked about the party but it was a bit discouraged, because many people have made a move in the previous flu tide, and during the Chinese New Year, it is inevitable There will be physical contact, and at this time, cross-infection of the influenza virus is likely to occur. In fact, for the flu virus, just put an air purifier at home to dispel the concerns of many small partners.
As a necessity in contemporary life, air purifiers play an important role in the healthy environment of home. So, different air purifiers have different benefits? Below, Xiaobian takes you to see these benefits of air purifiers.
1. Activated carbon layer: adsorption filtration
Activated carbon is a porous carbonaceous material with a highly developed pore structure. The porous structure of activated carbon provides a large amount of surface area and can be in full contact with gases (impurities), thereby imparting unique adsorption properties to activated carbon. It makes it very easy to achieve the purpose of absorbing and collecting impurities. Just like magnetic force, all molecules have mutual attraction and can absorb many harmful gases in free state.
Second, HEPA network: mechanical filtration
HEPA (High efficiency particulate air filter), Chinese means high-efficiency air filter, HEPA-compliant filter, the efficiency of 0.3 micron is 99.998%, HEPA net is characterized by air can pass, but fine particles can not pass. The HEPA filter consists of a stack of continuous, pre-folded, sub-glass fiber membranes that form a wavy gasket for placement and support of the filter boundary.
Third, electrostatic purification
Working principle: The working principle of high-voltage electrostatic adsorption and dust removal is adopted. The electrostatic type is the working principle of high-voltage electrostatic adsorption and dust removal. The cathode line in the electrostatic field generates corona discharge under the action of high-voltage static electricity, and a large amount of negative ions are generated in the corona layer, and the negative ions continuously move toward the anode under the action of the electrostatic field. When the dust in the air passes through the electric field, the dust is charged by the collision of the negative ions, and the dust after the charge is also subjected to the action of the electrostatic field, moving toward the anode (dust collecting pole), and releasing the electric charge after reaching the anode. Simply put, it is electrostatically absorbed by dust!
Fourth, photocatalyst catalysis
Working principle: When the air passes through the photocatalytic air purification device, the photocatalyst does not change itself under the illumination of light, but can promote the degradation of harmful substances such as formaldehyde and benzene in the air of the chemical reaction under the action of photocatalysis. Non-toxic and harmless substances, and the bacteria in the air are also removed by ultraviolet light, and the air is purified.
Five, formaldehyde scavenger method
Working principle: It uses chemical substances and formaldehyde to carry out chemical reaction to achieve the purpose of removing formaldehyde.
1. Chemical reaction: chemical reaction with formaldehyde to form carbon dioxide and water, such as ammonia;
2. Biological: made from biological agents that can react with formaldehyde, such as urea, soy protein, amino acids, etc.;
3. Plants: made from plant extracts, such as aloe vera, tea extracts, etc.;
4. Closed class: made of film-forming material, forming a film to prevent formaldehyde release, such as chitosan, liquid paraffin and so on.
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