> You need an extremely high UV light intensity to kill viruses if the air is ju... | Hacker News

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		mandmandam on Aug 26, 2024 \| parent \| context \| favorite \| on: Study: Air purifier use at daycare centres cut kid... > You need an extremely high UV light intensity to kill viruses if the air is just flowing past the bulb Could you put a long tube-shaped 222-UV bulb inside a larger tube with a UV-reflective coating inside to enhance the efficiency? ... And, can UV bulbs be mirrored, so they reflect as well?

mab122 on Aug 26, 2024 [–]

This sounds exacly as UV water treatment lamps

mandmandam on Aug 26, 2024 | [–]

I don't know if this is a silly question but, if it works for water then why not air? Is it an overheating issue?

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