Classification of air purifier purification methods

　　1. The catalytic decomposition method mainly uses photocatalyst to decompose some harmful gases, and the price is relatively low, but the current photocatalyst technology is not particularly mature, and it must rely on the irradiation of ultraviolet rays in sunlight to have an effect. If the ultraviolet rays are not well controlled, it may be harmful to the human body. cause some damages.

　　2. The multi-layer filtration method is a relatively common mainstream purification method. The filtration effect is good, and it can significantly reduce the solid dust in the air, but the price is relatively high. .

　　3. The chemical decomposition method mainly uses the ionizer ozone generator to increase the number of negative ions in the air and reduce the solid dust in the air. It has a bactericidal effect but has little effect on the decomposition of harmful gases such as formaldehyde. Moreover, the ozone generator will generate a large amount of high-concentration ozone, which may kill human white blood cells while killing some viruses and bacteria, which may cause harm to the human body.

　　4. The filtration and adsorption method mainly uses hydrophobic crystalline silica molecular sieve as the filter medium, which has obvious effect, can completely remove various harmful gases such as benzene and chloroform, does not absorb water and air, and can effectively absorb harmful gases , The adsorption capacity is large, and one regeneration can be used for about one year. The filter material can be desorbed and regenerated using a simple method without generating new pollution sources.

　　5. The low-temperature asymmetric plasma mode, the low-temperature asymmetric plasma module, forms an asymmetric plasma electric field through high-voltage and high-frequency pulse discharge, so that a large number of plasmas in the air collide step by step. Electrochemical reaction is generated to rapidly degrade toxic and harmful gases, living viruses, bacteria, etc., so as to efficiently disinfect, sterilize, deodorize, eliminate smoke, and remove dust, and no toxic and harmful substances are produced, which can coexist with humans and machines, and purification without the need for personnel to leave. . It has the functions of quickly disinfecting viruses, removing peculiar smell, eliminating static electricity, and increasing oxygen content.

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