Air purification wall
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United States of America Patent
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Sep 1, 2009
Grant Date -
N/A
app pub date -
Sep 30, 2004
filing date -
Oct 1, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an appliance for the continuous photocatalytic purification of the air in a room, said appliance preferably being in the form of a wall (1) and comprising an external steel structure, an opening (11) for the admission of the air to be processed, an internal metallic framework (4) to which a plurality of UVA lamps (3) are fixed, a photocatalytic filter (2), and an opening (12) for discharging the purified air. The inventive appliance is characterised in that the photocatalytic filter comprises at least one metal grating (2) covered by a film containing titanium dioxide (TiO.sub.2), mainly in an anatase phase, in order to maximise the surface of the photocatalyst illuminated by the UVA light.
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