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The Development Of HEPA
- May 02, 2018 -

The HEPA filter plays a key role in preventing the spread of bacteria and viruses in the air. The medical HEPA filtration system also uses high-energy ultraviolet light to kill live bacteria and viruses trapped in the filter media. This system is widely used in places requiring high cleanliness such as precision laboratories, pharmaceutical production, atomic research, and surgery.

Some new model cabins also use this filter. Modern aircraft use HEPA filters to achieve air recirculation to reduce the spread of pathogens in the air. In the past ten years, HEPA technology has gradually changed from military and medical use to civil use, and has been widely used in air purifiers and vacuum cleaners in the United States.

In ten years, this technology has broken through two major technological bottlenecks. The first is the service life of the HEPA filter membrane, which has been extended from the previous months to several years. In addition, due to the large wind resistance of the early HEPA, the normal axial fan air pressure is not enough. With the increasingly mature centrifugal fan technology, efficient technology has enabled the HEPA filter membrane to be successfully installed in the air purifier.