A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 9/20 (2006.01) B01D 53/00 (2006.01) B01D 53/86 (2006.01) B01J 19/12 (2006.01)
Patent
CA 2150320
The invention relates to an apparatus for purifying air by means of an activated photocatalyst such as titanium dioxide. The apparatus comprises a housing having inlet and outlet for circulating air. A circulating means, such as a fan, is mounted in the housing to circulate air. A planar filter disposed across the path of circulating air. The filter including a photocatalyst fixed to a fibrous porous support. A light source is mounted in the housing to activate the photocatalyst. The invention provides a compact apparatus which can readily fit on a table or laboratory bench, and can quickly reduce air-borne contaminants such as odours.
Disanayaka Bimsara
Divigalpitiya Ranjith
Livingstone David E.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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