Title:
【発明の名称】シリカと酸化チタンをベースにした担体を有する触媒組成物を使用してガスを処理して窒素酸化物の発生を削減する方法
Document Type and Number:
Japanese Patent JP2000511111
Kind Code:
A
Abstract:
The present invention relates to a process for treating gases to reduce emissions of oxides of nitrogen. This process is of the type in which a catalytic composition is used which comprises a catalytic phase on a support and is characterized in that the support is based on silica and titanium oxide in an atomic proportion Ti/Ti+Si of between 0.1 and 15%. The process of the invention applies more particularly to the treatment of the exhaust gases from diesel engines or from lean burn engines.
Inventors:
Edouin, Catherine
Macaudier, Pierre
Macaudier, Pierre
Application Number:
JP50653799A
Publication Date:
August 29, 2000
Filing Date:
July 01, 1998
Export Citation:
Assignee:
Rhodia stain
International Classes:
B01D53/94; B01J21/06; B01J21/08; B01J23/42; B01J23/63; B01J32/00; F01N3/10; F01N3/28; B01J35/00; B01J37/02; (IPC1-7): B01D53/94; B01J21/08; B01J23/42; B01J23/63; B01J32/00; F01N3/10; F01N3/28
Domestic Patent References:
| JPS5466390A | 1979-05-28 | |||
| JPS52122293A | 1977-10-14 | |||
| JPH06219721A | 1994-08-09 | |||
| JPH07256105A | 1995-10-09 | |||
| JPH10296081A | 1998-11-10 | |||
| JPS58110414A | 1983-07-01 | |||
| JPH06293574A | 1994-10-21 |
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)