Title:
CU-P CO-SUPPORTED ZEOLITE, AND SELECTIVE REDUCTION CATALYST AND EXHAUST GAS CATALYST IN WHICH SAME IS USED
Document Type and Number:
WIPO Patent Application WO/2020/085169
Kind Code:
A1
Abstract:
Provided is a high-performance Cu-P co-supported zeolite, etc., having exceptional thermal durability and catalytic performance. A Cu-P co-supported zeolite that contains at least a small-pore zeolite, and extraskeletal copper atoms and extraskeletal phosphorus atoms supported on the small-pore zeolite, the Cu-P co-supported zeolite being such that the silica-alumina ratio (SiO2/Al2O3) is 7-20, the ratio (Cu/T) of copper atoms to T atoms is 0.005-0.060, the ratio (P/T) of phosphorus atoms to T atoms is 0.005-0.060, and the ratio (P/Cu) of phosphorus atoms to copper atoms is 0.1-3.
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Inventors:
TAKAGI YUKIO (JP)
SAITO KIYOHIKO (JP)
BANNO YASUYUKI (JP)
NAGATA MAKOTO (JP)
SAITO KIYOHIKO (JP)
BANNO YASUYUKI (JP)
NAGATA MAKOTO (JP)
Application Number:
PCT/JP2019/040735
Publication Date:
April 30, 2020
Filing Date:
October 16, 2019
Export Citation:
Assignee:
N E CHEMCAT CORP (JP)
International Classes:
C01B39/48; B01D53/94; B01J29/76; F01N3/10
Domestic Patent References:
| WO2015019038A1 | 2015-02-12 |
Foreign References:
| JP2015134698A | 2015-07-27 | |||
| JP2017048106A | 2017-03-09 | |||
| KR20180005769A | 2018-01-17 | |||
| JPS6320918B2 | 1988-05-02 | |||
| JP2017048106A | 2017-03-09 |
Other References:
T. BLASCO ET AL., J. CATAL., vol. 237, 2006, pages 267 - 277
SANO TSUNEJI: "Synthesis of Durable Zeolite and Application for SCR Catalyst", PRELIMINARY REPORT FOR SYMPOSIUM OF SOCIETY OF AUTOMOTIVE ENGINEERS OF JAPAN, 28 February 2018 (2018-02-28), pages 43 - 47
SANO TSUNEJITSUNOJI NAO, CATALYSTS, vol. 60, 2018, pages 240 - 246
J. SONG ET AL., ACS CATAL., vol. 7, 2017, pages 8214 - 8227
C. PAOLUCCI ET AL., J. AM. CHEM. SOC., vol. 138, 2016, pages 6028 - 6048
See also references of EP 3872034A4
SANO TSUNEJI: "Synthesis of Durable Zeolite and Application for SCR Catalyst", PRELIMINARY REPORT FOR SYMPOSIUM OF SOCIETY OF AUTOMOTIVE ENGINEERS OF JAPAN, 28 February 2018 (2018-02-28), pages 43 - 47
SANO TSUNEJITSUNOJI NAO, CATALYSTS, vol. 60, 2018, pages 240 - 246
J. SONG ET AL., ACS CATAL., vol. 7, 2017, pages 8214 - 8227
C. PAOLUCCI ET AL., J. AM. CHEM. SOC., vol. 138, 2016, pages 6028 - 6048
See also references of EP 3872034A4
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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