This entry was posted on Tuesday, September 16th, 2008 at 3:50 pm and is filed under Air Purifier, Clean Air, Personal. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
September 16, 2008
Instead of relying on fans to move air through filters, ionic air purifiers release a stream of ions that electrify dust, dander, smoke, and pollen. Airborne pollutant particles respond by picking up the negative charge and become attracted to the positively charged collection plates inside the machine. Most ionic air purifiers run silently, unless they are designed to suck in the charged particles (which can stick to TV screens, tables, and other charged surfaces)—usually, there are no motors, moving parts or fans involved, and no filters to replace.
Ionic air purifiers do release ozone—about as much as a busy photocopy machine in an office. This in itself is a source of controversy for some, though ozone is thought by many to be one of the most powerful oxidants and germicides in existence.
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