Title:
NOX REDUCTION CATALYST
Document Type and Number:
WIPO Patent Application WO/2020/179685
Kind Code:
A1
Abstract:
A NOx reduction catalyst which is composed of a molded body that contains a catalyst component, while having microcracks that extend in the shape of a network or a double-sided comb on the surface of the molded body, and which is configured such that: the microcracks have a 95% crack width of 100 μm or less; the variation coefficient of the crack area ratio is 0.7 or less; and the average of the crack area ratio is preferably 1-14%. A method for removing nitrogen oxides from a combustion exhaust gas, which comprises a step for processing a combustion exhaust gas containing nitrogen oxides in the presence of the above-described NOx reduction catalyst.
Inventors:
KIYOSAWA MASASHI (JP)
KANEDA SHIMPEI (JP)
KAI KEIICHIRO (JP)
YOKOYAMA KOICHI (JP)
KANEDA SHIMPEI (JP)
KAI KEIICHIRO (JP)
YOKOYAMA KOICHI (JP)
Application Number:
PCT/JP2020/008383
Publication Date:
September 10, 2020
Filing Date:
February 28, 2020
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
B01J35/02; B01D53/86; B01D53/94; B01J23/28
Foreign References:
| JP2014505647A | 2014-03-06 | |||
| JP2009269763A | 2009-11-19 | |||
| JP2009542429A | 2009-12-03 | |||
| JP2000239059A | 2000-09-05 | |||
| JP2013000615A | 2013-01-07 | |||
| JPH08332329A | 1996-12-17 | |||
| JPH09155189A | 1997-06-17 | |||
| JP2016123954A | 2016-07-11 |
Other References:
See also references of EP 3932549A4
Attorney, Agent or Firm:
KIKUMA, Tadayuki (JP)
Download PDF: