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UV Light Research for Air Purification Using An Air Purifier
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How Ultraviolet Light Works
Ultraviolet light possesses just the right amount of energy to break organic molecular bonds. As micro-organisms pass by the UV rays
radiated from the ultraviolet lamp through air purification, this bond breakage translates into cellular or genetic damage for micro-organisms,
such as germs, viruses, bacteria, fungi (like molds), etc. This resulted in the destruction of the micro-organisms. The same damage occurs
to humans, but is limited to the skin and eyes. UV air purifiers, such as the Air Pal Spectra from Aquatron Corp., shield direct
ultraviolet light from escaping the inside of the unit, sterilizing only the air that passes through the air cleaner.
UV Light Air Purifier Facts & Studies
- The Centers of Disease Control (CDC) recommends the use of ultraviolet light for air purification.
- The U.S. government now specifies that UV light should be used in air handling units to improve indoor air quality in government buildings, by controlling airborne and surface microbial growth.
- The Air Institute of Respiratory Education suggests UV light air purifiers be used in buildings for indoor air quality purposes, and states that may be the final line of defense against those diseases that have developed resistance to drugs, such as tuberculosis and others.
- According to the Aerobiological Engineering Dept. at Penn State University, the ultraviolet component of sunlight is the main reason microbes die in the outdoor air. The die-off rate in the outdoors varies from one pathogen to another, but can be anywhere from a few seconds to a few minutes for a 90-99% kill of viruses or contagious bacteria.
- The Centers of Disease Control (CDC) recommends UV light air purifiers in homeless shelters to prevent the spread of disease, particularly TB (tuberculosis).
- A study by the Air & Waste Management Association found the combination of a HEPA air filter and germicidal UV lamp reduced bacteria by 80% in a 3072 cubic foot chamber.
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