| 摘要 |
The invention relates to an apparatus for purifying air by means of an activated photocatalyst such as titanium dioxide, the apparatus comprises a housing (1) having inlet (2) and outlet (4) for circulating air, a circulating means (5) such as a fan, is mounted in the housing to circulate air, a planar filter (7) disposed across the path of circulating air, the filter including a photocatalyst fixed to a fibrous porous support, and a light source (13) 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 odors. |
