Title:
窒素酸化物浄化用触媒システム及び窒素酸化物浄化方法
Document Type and Number:
Japanese Patent JP4427356
Kind Code:
B2
Abstract:
Provided in a catalyst system are: a first reaction part fitted with a first catalyst containing, as active constituents, at least, a complex oxide consisting of two or more oxides selected from among silica, alumina, titania, zirconia, and tungsten oxide, and a rare earth metal or transition metal (except Cu, Co, Ni, Mn, Cr, and V) ; and a second reaction part fitted with a second catalyst containing, as active constituents, at least, a noble metal and a silica-alumina type complex oxide.
Inventors:
Takayuki Mori
Nobuya Iwami
Takayuki Kumagai
Kanaya Isamu
Hiroki Ueno
Konobu Hirata
Nobuya Iwami
Takayuki Kumagai
Kanaya Isamu
Hiroki Ueno
Konobu Hirata
Application Number:
JP2004055351A
Publication Date:
March 03, 2010
Filing Date:
February 27, 2004
Export Citation:
Assignee:
Tokyo Filter Co., Ltd.
Nissan Diesel Industry Co., Ltd.
Nissan Diesel Industry Co., Ltd.
International Classes:
B01J27/053; B01D53/86; F01N3/08; B01D53/94; B01J23/30; B01J23/40; B01J23/42; B01J23/745; B01J23/89; B01J35/00; F01N3/10; F01N3/20; F01N3/28; B01J21/12; B01J23/00; B01J37/03; F01N13/02
Domestic Patent References:
| JP9280012A | ||||
| JP2229547A | ||||
| JP57127426A | ||||
| JP2056250A | ||||
| JP50059282A | ||||
| JP50157258A | ||||
| JP50053296A | ||||
| JP54021956A | ||||
| JP3221147A |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation