Porous semiconductor and process for producing the same

Details Porous semiconductor and process for producing the same Porous semiconductor and process for producing the same

A - Human Necessities

61

L

A61L 9/20 (2006.01) A61L 9/00 (2006.01) A61L 9/01 (2006.01) A61L 9/16 (2006.01) B01D 39/14 (2006.01) B01D 39/16 (2006.01) B01D 53/86 (2006.01) B01J 35/00 (2006.01) B01J 35/02 (2006.01) F01N 3/02 (2006.01) H01L 33/00 (2006.01)

Patent

CA 2473825

A filter capable of performing collection of organic materials, bacteria, viruses and other hazardous materials and sterilization/decomposition of collected matter at low cost with extremely high efficiency; and a process for producing the same. In particular, a porous semiconductor constituted of a semiconductor material capable of light emission is formed inside or on the surface of a porous ceramic or metal as a substrate. Electrodes are fitted thereto to thereby obtain a filter. Fluid is filtered while applying voltage so as to emit ultraviolet radiation. Thus, sterilization/decomposition of hazardous materials, etc. can be performed simultaneously with the filtration thereof.

L'invention concerne un filtre capable de collecter des matières organiques, des bactéries, des virus et d'autres matériaux dangereux et à stériliser/décomposer les matières collectées à faible coût avec une efficacité sensiblement élevée; ainsi qu'un procédé de production correspondant. Plus particulièrement, un semiconducteur poreux constitué d'un matériau à semiconducteur capable d'émettre de la lumière est formé à l'intérieur ou sur la surface d'une thermomousse ou d'un métal poreux en tant que substrat. Des électrodes y sont logées en vue de produire un filtre. Le fluide est filtré lorsque la tension est appliquée en vue d'émettre un rayonnement ultraviolet. Ainsi, la stérilisation/décomposition des matériaux dangereux, etc. peut être réalisée simultanément au filtrage de ceux-ci.

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