ACADEMY
Mechanism of Air Filtration
Air filtration works by eliminating harmful particles and contaminants from the air we breathe. This process combines physical and chemical methods to ensure the air is free from allergens, dust, and other pollutants. The primary mechanisms involved in air filtration are:
Gravitational Effect
Larger particles settle out of the air due to gravity.
Electrostatic Attraction
Particles are attracted to and captured by charged fibers or plates.
Diffusion
Smaller particles move randomly and collide with fibers, leading to their capture.
Interception Effect
Particles following airflow paths are intercepted by fibers they come into close contact with.
Inertial Impaction
Larger particles are unable to follow the changing airflow and collide with filter fibers.
Sieving Effect
Particles larger than the pores of the filter material are trapped.