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Why can the UV pumps used for disinfecting incoming air decrease the quality of air inside?



UV pumps that used for killing organisms from the air. That ventilation pumped inside can cause problems. There is research, that the UV pump can cause problems with air inside houses. Says the research made by the University of Helsinki. That research has focused on the particles in the room if so-called UVGI systems cleaned the air.

The reason for that particle level increases could be that the UV- radiation ionizes the air. And that pulls particles inside the space or rooms, where the UV system sterilizes the air. But there is another problem that can cause a dangerous situation. If the level of UV radiation is too low, that can increase the level of infectious bacteria. 

Wrongly used UV disinfectors can decrease air quality if their radiation is too weak. That thing causes the effect. Where the organisms that have the strongest genomes remain alive. And UV radiation just kills organisms with weak genetic material. 

Similar technology is used for refining organisms for biological warfare. The idea is that the organisms. That used as weapons will stress by using UV radiation. Then that radiation removes individuals that don't have strong genomes.  


https://www.helsinki.fi/fi/uutiset/matematiikka-ja-luonnontieteet/desinfiointiin-kaytettavat-uv-lamput-voivat-heikentaa-sisailman-laatua?utm_source=twitter&utm_medium=social_owned&utm_campaign=social_sharing


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