The function of the air purifier is very similar to that of the lungs. It is divided into three steps. The first step is to suck in the gas. The second step is to carry out adsorption and filtration treatment in the body. The third step is to release the treated gas. The first and third steps are simple mechanical effects, which are very simple, and the difference in air purifiers is mainly in the second step.
At present, the second part of the air purifier generally includes the following: physical filtration, electrostatic adsorption, and hybrid type.