Title:
触媒装置、触媒装置の製造方法、および触媒装置の製造装置
Document Type and Number:
Japanese Patent JP6624387
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a catalyst device which can sufficiently reduce NOand oxide ammonia and in which amount of use of an oxidation catalyst is reduced.SOLUTION: The catalyst device comprises: a structure which is mainly composed of a first catalyst containing at least one of vanadium oxide and tungsten oxide and has a plurality of through-holes extending in one direction to form a gas flow passage; and a plurality of particles of a size of 20 nm or less mainly composed of a second catalyst containing a noble metal, the particles being arranged along an inner wall of the structure partitioning the through-holes in at least part of a range in the longitudinal direction of the structure. The amount of the particles has a particle amount gradient continuously increasing in the longitudinal direction.SELECTED DRAWING: Figure 1
Inventors:
Hattori Nozomu
Kosuke Ohara
Kosuke Ohara
Application Number:
JP2016054081A
Publication Date:
December 25, 2019
Filing Date:
March 17, 2016
Export Citation:
Assignee:
Mitsui e&s machinery Co., Ltd.
International Classes:
B01J23/648; B01D53/94; B01J32/00; B01J35/04; F01N3/08; F01N3/10; F01N3/28
Domestic Patent References:
| JP5293385A | ||||
| JP2006026561A | ||||
| JP2014121700A |
Foreign References:
| US20070265159 |
Attorney, Agent or Firm:
Global IP Tokyo Patent Business Corporation