Title:
硫酸バリウムを備える熱的に安定した触媒担体
Document Type and Number:
Japanese Patent JP2014505587
Kind Code:
A
Abstract:
Provided herein is a barium sulfate-containing catalyst carrier. The catalyst carrier is useful for supporting an exhaust gas purification catalyst, such as a three way conversion catalyst. In an embodiment, the carrier comprises BaSO4/thermally stable alumina. Further provided is a process for preparing the catalyst carrier, with or without precious metals, comprising treating a barium oxide/alumina or barium carbonate/alumina with a stoichiometric amount of sulfuric acid (H2SO4), thus forming BaSO4/alumina in situ in good yield and at low cost.
Inventors:
Gramicioni, Gray, A.
Brown, Kenneth, Earl.
Deva, michael
Cotrell, stephan
Wetherman, Knut
Brown, Kenneth, Earl.
Deva, michael
Cotrell, stephan
Wetherman, Knut
Application Number:
JP2013547514A
Publication Date:
March 06, 2014
Filing Date:
December 13, 2011
Export Citation:
Assignee:
BASF Corporation
International Classes:
B01J27/053; B01D53/94; B01J32/00; B01J35/10; B01J37/02; B01J37/08
Domestic Patent References:
| JPH05237390A | 1993-09-17 | |||
| JPH10156184A | 1998-06-16 | |||
| JP2010274162A | 2010-12-09 | |||
| JPH09276702A | 1997-10-28 | |||
| JP2007117916A | 2007-05-17 | |||
| JP2009523607A | 2009-06-25 | |||
| JP2006341221A | 2006-12-21 | |||
| JP2005052779A | 2005-03-03 | |||
| JP2003190818A | 2003-07-08 |
Foreign References:
| WO2010147163A1 | 2010-12-23 |
Attorney, Agent or Firm:
Satoshi Eto