Title:
チャバザイト型ゼオライト及びその製造方法、銅が担持されている低シリカゼオライト、及び、そのゼオライトを含む窒素酸化物還元除去触媒、並びに、その触媒を使用する窒素酸化物還元除去方法
Document Type and Number:
Japanese Patent JP5895510
Kind Code:
B2
Abstract:
The chabazite-type zeolite of the present invention has a SiO 2 /Al 2 O 3 molar ratio of less than 15, and an average particle size from 1.0 µm to 8.0 µm. The chabazite-type zeolite of the present invention has excellent durability and heat resistance, and the copper- loaded chabazite-type zeolite has an improved NOx reduction rate at low temperatures compared to conventional copper- loaded chabazite-type zeolite.
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Inventors:
Ariga Ko
Hidekazu Aoyama
Ito Yuuge
Hidekazu Aoyama
Ito Yuuge
Application Number:
JP2011279974A
Publication Date:
March 30, 2016
Filing Date:
December 21, 2011
Export Citation:
Assignee:
Tosoh Corporation
International Classes:
C01B39/48; B01D53/94; B01J29/76; B01J32/00
Domestic Patent References:
| JP58060612A | ||||
| JP2010280516A | ||||
| JP2010163349A | ||||
| JP2011102209A |
Foreign References:
| WO2010054034A2 | ||||
| WO2010074040A1 | ||||
| US3030181 | ||||
| US4544538 | ||||
| GB868846A |
Other References:
FICKEL, D. W. et al.,Copper Coordination in Cu-SSZ-13 and Cu-SSZ-16 Investigated by Variable-Temperature XRD,J. Phys. Chem. C,2009年12月28日,Vol. 114,p. 1633-1640