METHOD AND DEVICE FOR THE PURIFICATION OF THE AIR
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United States of America Patent
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Issued Date -
Feb 28, 2013
app pub date -
May 24, 2011
filing date -
May 25, 2010
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method and a device for the purification of air by passing a flow of the air through a filter having a photocatalytic action subjected to UV lighting, said filter comprising a felt of mineral fibers, the fibers of which are coated with a material having a photocatalytic action, the residence time of the air in contact with the filter being greater than 70 msec and the UV lighting having a power of less than 35 mW per cm2 of lit surface of filter having a photocatalytic action. The invention is particularly effective in removing volatile organic compounds from the air.
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