Title:
EXHAUST GAS CLEANING FILTER
Document Type and Number:
Japanese Patent JP2009262076
Kind Code:
A
Abstract:
To provide an exhaust gas cleaning filter which can stably remove a deleterious substance such as a particulate matter (PM) in an exhaust gas at a low temperature and for a long period of time, and also, is highly heat-resistant.
This exhaust gas cleaning filter 1 is installed in an exhaust path for the exhaust gas which is discharged from an internal combustion engine and cleans the exhaust gas. The exhaust gas cleaning filter 1 comprises a honeycomb-type or foam-type filter base 2 and, being supported thereon, an exhaust gas cleaning catalyst 4 prepared by calcining a mixture of zeolite and an alkali metal element source and/or an alkaline earth metal element source, or sodalite at not less than 600C.
Inventors:
SUZAWA TAKUMI
MIZUTANI KEISUKE
OYAMA NAOHISA
MIZUTANI KEISUKE
OYAMA NAOHISA
Application Number:
JP2008116134A
Publication Date:
November 12, 2009
Filing Date:
April 25, 2008
Export Citation:
Assignee:
NIPPON SOKEN
DENSO CORP
DENSO CORP
International Classes:
B01J29/00; B01D39/14; B01D39/20; B01D53/94; B01J29/08; B01J29/40; B01J29/70; B01J35/04; B01J37/04; B01J37/08; F01N3/02; F01N3/10; F01N3/24
Foreign References:
| WO2008035652A1 | 2008-03-27 | |||
| WO2008035651A1 | 2008-03-27 |
Attorney, Agent or Firm:
Patent Business Corporation Aichi International Patent Office