| 摘要 |
PROBLEM TO BE SOLVED: To decompose harmful substances in air in a working area, and improve the environment of a living space by an inexpensive device by providing a catalyst the major component of which is titanium oxide, and which is activat ed by a noble metal, or the like, a low-powdered light source, and a power source of a small capacity to make the light source emit light. SOLUTION: This device decomposes and detoxifies harmful substances in air using a catalyst the major component of which is titanium oxide, and which is activated by a noble metal by optically activating it, and the air purifier is constituted by providing a low-powered light source to optically activate the catalyst, and a power source to make the light source emit light. For example, a cylindrical catalyst case both ends of which are open is manufactured from an aluminum pipe or a square pipe the wall surface of which is a mesh- form, and an LED is attached on the internal surface. Then, the purifier is stood at the corner in a room, and by the draft action together with the excitation of the catalyst, contaminated air in the room is convection-circulated through the inside of the case. Then, when the outside is bright, the purifying action is displayed on the outside. |
