Title:
可視光応答型3次元微細セル構造光触媒フィルター及びその製造方法並びに浄化装置
Document Type and Number:
Japanese Patent JP4803653
Kind Code:
B2
Abstract:
A visible-light-responsive three-dimensional fine cell-structured photocatalytic filter in accordance with the present invention includes a sponge-like porous structure (B) containing an anatase-type titanium oxide coating formed on a surface of a sponge-like porous structural body (A) which has a porosity of 85 vol% or more. The sponge-like porous structural body (A) is composed of one material selected from the group consisting of one metal selected from the group consisting of (a) to (e): (a) carbon and either or both of silicon and a silicon alloy; (b) silicon carbide and at least one material selected from the group consisting of silicon, a silicon alloy, and carbon; (c) silicon nitride and at least one material selected from the group consisting of silicon, a silicon alloy, carbon, and silicon carbide; (d) carbon; and (e) carbon and one metal selected from the group consisting of titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, ruthenium, rhodium, palladium, silver, platinum, and gold.
Inventors:
Eiji Tani
Kunio Kimura
Kunio Kimura
Application Number:
JP2005505785A
Publication Date:
October 26, 2011
Filing Date:
April 22, 2004
Export Citation:
Assignee:
National Institute of Advanced Industrial Science and Technology
International Classes:
B01J35/02; B01D53/86; B01D53/88; B01J21/18; B01J27/20; B01J27/224; B01J35/00; B01J35/04; B22F3/11; C02F1/30; C02F1/72; C04B38/00; C04B41/50; C04B41/87; C22C1/08
Domestic Patent References:
| JP2691751B2 | 1997-12-17 | |||
| JP2003024781A | 2003-01-28 | |||
| JPH11335187A | 1999-12-07 | |||
| JP2001038218A | 2001-02-13 | |||
| JP2001510729A | 2001-08-07 | |||
| JP2633469B2 | 1997-07-23 | |||
| JP2003053194A | 2003-02-25 | |||
| JPH1028875A | 1998-02-03 |
Foreign References:
| WO2002024333A1 | 2002-03-28 | |||
| WO2003014042A1 | 2003-02-20 |
Attorney, Agent or Firm:
Kenzo Hara International Patent Office