Title:
燃焼生成物中のNOxを還元する触媒の組み合わせ方法及び装置
Document Type and Number:
Japanese Patent JP5094717
Kind Code:
B2
Abstract:
A method and apparatus for catalytically processing a gas stream passing therethrough to reduce the presence of NOx therein, wherein the apparatus includes a first catalyst composed of a silver containing alumina that is adapted for catalytically processing the gas stream at a first temperature range, and a second catalyst composed of a copper containing zeolite located downstream from the first catalyst, wherein the second catalyst is adapted for catalytically processing the gas stream at a lower second temperature range relative to the first temperature range.
Inventors:
Socha, Richard, F.
Virtual, James, Sea.
El-Marchi, El-plated
Kalyana Raman, Mohan
Park, Paul, W.
Virtual, James, Sea.
El-Marchi, El-plated
Kalyana Raman, Mohan
Park, Paul, W.
Application Number:
JP2008518128A
Publication Date:
December 12, 2012
Filing Date:
February 16, 2006
Export Citation:
Assignee:
EXXON RESEARCH AND ENGINEERING COMPANY
CATERPILLAR INCORPORATED
CATERPILLAR INCORPORATED
International Classes:
B01D53/94; B01J23/50; B01J29/46; F01N3/08; F01N3/10; F01N3/24; F01N3/28
Domestic Patent References:
| JP11324663A | ||||
| JP8108074A | ||||
| JP9103649A | ||||
| JP2003529699A | ||||
| JP2004506505A |
Attorney, Agent or Firm:
Tomijio Sasashima
Haruyuki Nishiyama
Moriaki Ogawa
Haruyuki Nishiyama
Moriaki Ogawa