PHOTOCATALYSIS USING A PHOTOCATALYST PRODUCT
An object of the invention is to provide a filter comprising a photocatalyst material having a higher catalyst effect than conventional photocatalyst materials. The photocatalyst material of the invention contains, as its major component, a tungsten oxide powder excited by a light source which emits...
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| creator | OKAWA, HIDEKI MATSUDA, RYOTARO SHIRAKAWA, YASUHIRO SATO, AKIRA OTSUKA, KAZUNARI NAKANO, KAYO ISHIZAKI, ARIYOSHI OKAMURA, MASAMI KAMAKURA, TAKAYA YOKOKURA, KIYOSHI |
| description | An object of the invention is to provide a filter comprising a photocatalyst material having a higher catalyst effect than conventional photocatalyst materials. The photocatalyst material of the invention contains, as its major component, a tungsten oxide powder excited by a light source which emits light having a wavelength of 430 to 500 nm, the photocatalyst material having a decomposition ability of 50% or more wherein the decomposition ability is given by the following equation based on the following test: [Test for decomposition ability] 1g of a tungsten oxide powder and 20 ppm of acetaldehyde (amount A) are poured into a 3-liter glass container, and acetaldehyde (amount B) is measured after light having a peak wavelength of 460 nm ± 10 nm is irradiated to the mixture for 2 hours to measure the decomposition ability (%):
Decomposition ability (%) = [(acetaldehyde amount A - acetaldehyde amount B)/acetaldehyde amount A] × 100. |
| format | Patent |
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Decomposition ability (%) = [(acetaldehyde amount A - acetaldehyde amount B)/acetaldehyde amount A] × 100.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING |
| title | PHOTOCATALYSIS USING A PHOTOCATALYST PRODUCT |
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