Allerair Air Purifier Photocatalysis Technology
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HEPA air purifiers have been on the market for a while, but there have likewise been galore recent advances made in air purification technologies as of late. Many air purifier makers are now utilizing Photocatalytic Oxidation (PCO) engineering as a way of removing toxins from the air. This purification method may be the most progressed one yet, and a great deal of leading air purifier makers are beginning to add PCO air cleaners to their product lines. For years, PCO has been FDA approved for reducing bacteria in meat processing plants, and it is even used to cleanse pesticides from the fruits and vegetables we eat. Essentially, PCO filtration may be summed up as such: An intense light is reflected onto a metal surface which in turns oxidizes toxins from the air. In chemistry, photocatalysis is specified as the acceleration of a photoreaction in the presence of a catalyst, and an example of this would be the oxidation of organic contaminants such as bacteria and mold using magnetic atoms coated with titanium dioxide nanoparticles, and agitated using a magnetic field that is exposed to UV light. Therefore, this type of air purification engineering converts destructive particulates and toxic gases into safer compounds such as carbon dioxide and water. PCO air purifiers use broad-spectrum UV light which reacts with a thin film of titanium dioxide, which, in the presence of water, produces hydroxyl radicals and super-oxide ions that “burn” VOCs and microorganisms adsorbed on the catalyst’s surface. With that in mind, a great deal of buyers may fault UV air purification with PCO technology, and rightfully so. However, while both types of air purifiers are similar in that they harness the oxidation properties of ultraviolet light, PCO purification systems utilize UV lamps with further and added wavelengths. These further and added wavelengths see to it a rapidly and without delay reaction rate when it comes the degrading of toxic compounds that are polluting the air you breathe. Because PCO engineering science is an exceedingly powerful purification method, PCO air purifiers have the capacity to eliminate molecules as little as 0.001 microns, including the tiny penetrating atoms that may absorb into your lungs and cause harm (HEPA filters are only competent to filter out corpuscles as little as 0.3 microns). Studies have likewise shown that in addition to VOCs, toxic gases, and chemicals, photocatalytic air purifiers may also render gases like carbon monoxide and nitrous oxide harmless – pollutants which may often escape general air purifiers utilizing HEPA or ionic engineering science alone. Those concerned with the possible health effects affiliated with PCO air purifiers will be glad to know that PCO air cleaners have been found to be much safer than ozone and ionization, and they work terrifically well for those with asthma, allergies, and multiple chemical sensitivity. Nonetheless, one ought to keep in mind that minute levels of ozone are produced for the duration of the catalytic free radical generation process, but most PCO air purifiers only create ozone levels in the 0.01 – 0.04 ppm range (0.05 ppm is the greatest or most complete or best possible level permitted by federal law for medical devices). Most persons may observe ozone at 0.01 ppm, and the popular rule of thumb for those with sensible lungs is that if you may smell the air purifier working, you may not want to use it in your home. |
