Title:
窒素酸化物除去装置
Document Type and Number:
Japanese Patent JP4385417
Kind Code:
B2
Abstract:
An exhaust gas purifying apparatus provides an exhaust gas purifying catalyst (32) including NOx decomposing and adsorpting catalyst particles (33) of brown millerite type composite oxide and fine NOx reducing catalyst particles (34) of noble metal dispersed on and adhered to the surface of the brown millerite type composite oxide particles (33). The NOx reducing catalyst particles (34) are at least one selected from the group consisting of rhodium (Rh), gold (Au), palladium (Pd), ruthenium (Ru), iridium (Ir) and platinum (Pt). A temperature adjusting portion (41) is consisted of the brown millerite type composite oxide. The temperature adjusting portion (41) maintaines the exhaust gas purifying catalyst (32) in its active temperature region.
Inventors:
Yasuaki Unno
Kazuo Ohsumi
Isao Naito
Kazuo Ohsumi
Isao Naito
Application Number:
JP31429298A
Publication Date:
December 16, 2009
Filing Date:
November 05, 1998
Export Citation:
Assignee:
Isuzu Motors Limited
International Classes:
B01D53/86; B01J23/00; B01D53/94; B01J23/58; B01J23/63; B01J33/00; B01J35/02; F01N3/08; F01N3/10; F01N3/20
Domestic Patent References:
JP9192500A | ||||
JP9253493A | ||||
JP9253500A | ||||
JP9253506A | ||||
JP9299793A | ||||
JP10214519A | ||||
JP11347371A | ||||
JP11322452A | ||||
JP11267506A | ||||
JP11114424A | ||||
JP11057474A | ||||
JP63077543A |
Attorney, Agent or Firm:
Nobuo Kinutani