Can air purifier remove the smell of smoke?

　　For this question, we need to understand what harmful substances are produced by smoking. When tobacco is burned, there are more than 3,000 kinds of toxic substances, nicotine is the most important toxic substance, there are also tobacco tar, hydrocyanic acid, carbon monoxide, acrolein and nitric oxide, etc. 90% of these toxic substances exist in the form of gas and 10% in the form of soot particles in the burning smoke.

　　So, can air purifiers remove these harmful substances?

　　The air purifier mainly filters particulate matter through the filter screen. If the HEPA filter screen has particularly high requirements and the energy efficiency reaches H12 level or above, it can also filter some gaseous substances, such as formaldehyde, benzene, second-hand smoke, pet odor and other toxic and harmful gases. The adsorption effect is remarkable.

　　Secondly, air purifiers are generally equipped with multi-layer filters, the main purpose of which is to adsorb different substances. The pre-filter removes larger particles, and works in conjunction with the HEPA filter that filters fine dust and bacteria to purify indoor air for us.

　　Therefore, the air purifiers we use generally have multiple functions. Whether it is particulate matter, dust bacteria, or harmful gases, it can effectively adsorb. Some brands of air purifiers can also convert these adsorbed pollutants into substances that are harmless to the human body, completely eliminating the secondary pollution problem that may be caused by pollutants, and escorting our respiratory health.

　　The energy efficiency level of the filter determines the effect of the air purifier to remove the smell of smoke. Therefore, when we buy an air purifier, it is best to choose products according to our own needs.

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