Kaneeda et al., 2009 - Google Patents
Improvement of thermal stability of NO oxidation Pt/Al2O3 catalyst by addition of PdKaneeda et al., 2009
View PDF- Document ID
- 8440900873016133346
- Author
- Kaneeda M
- Iizuka H
- Hiratsuka T
- Shinotsuka N
- Arai M
- Publication year
- Publication venue
- Applied Catalysis B: Environmental
External Links
Snippet
The present work has been undertaken to tailor Pt/Al2O3 catalysts active for NO oxidation even after severe heat treatments in air. For this purpose, the addition of Pd has been attempted, which is less active for this reaction but can effectively suppress thermal sintering …
- 239000003054 catalyst 0 title abstract description 107
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kaneeda et al. | Improvement of thermal stability of NO oxidation Pt/Al2O3 catalyst by addition of Pd | |
| US8241579B2 (en) | Diesel exhaust gas treatment system | |
| JP5769708B2 (en) | Exhaust gas purification apparatus and exhaust gas purification method using selective reduction catalyst | |
| RU2479341C2 (en) | Device for decreasing diesel engine exhaust toxicity | |
| US7797931B2 (en) | Catalyst composition for diesel particulate filter | |
| CN102536393B (en) | Hybrid oxidation catalyst system for remediating emissions | |
| US20080271441A1 (en) | Exhaust gas purification catalyst for automobile, exhaust gas purification catalyst system and purifying process of exhaust gas | |
| JP2020528348A (en) | N2O removal from vehicle exhaust for lean / rich systems | |
| CN107096576A (en) | For being catalyzed the method coated with the coating substrate in catalytic converter and by matrix with washcoat composition | |
| US20160051931A1 (en) | Urea hydrolysis catalyst, selective reduction catalyst containing urea hydrolysis material, and exhaust gas cleaning apparatus | |
| JP2016536120A (en) | Catalyst design for heavy duty diesel combustion engines | |
| JP2009262098A (en) | Exhaust gas clarifying method using selective reduction catalyst | |
| JPWO2013111457A1 (en) | Alumina material containing barium sulfate and exhaust gas purification catalyst using the same | |
| US9346019B2 (en) | Coated diesel particle filter | |
| JP6027241B2 (en) | Nitrogen oxide removal catalyst | |
| WO2014002667A1 (en) | Catalyst composition for exhaust gas purification and exhaust gas purifying catalyst for automobiles | |
| JP5651727B2 (en) | Exhaust gas purification method using selective reduction catalyst | |
| JP4197029B2 (en) | Exhaust gas purification catalyst, exhaust gas purification system, and exhaust gas purification method | |
| Matarrese et al. | Interaction between soot and stored NOx during operation of LNT Pt–Ba/Al2O3 catalysts | |
| EP2974791A1 (en) | Oxidation catalyst and exhaust gas purification device using same | |
| Matarrese et al. | Reaction between soot and stored NOx over K-based LNT catalysts investigated by temperature programmed methods and labeling isotopic experiments | |
| CN108367283B (en) | Method for preventing Selective Catalytic Reduction (SCR) catalyst from platinum contamination | |
| Liang et al. | Advanced insight into the size effect of PtPd nanoparticles on NO oxidation by in situ FTIR spectra | |
| JP6107487B2 (en) | N2O decomposition catalyst and N2O-containing gas decomposition method using the same | |
| JP2023546895A (en) | Diesel oxidation catalyst with improved hydrocarbon light-off characteristics |