WO2012037526A3 - Nitric oxide oxidation catalysts - Google Patents
Nitric oxide oxidation catalysts Download PDFInfo
- Publication number
- WO2012037526A3 WO2012037526A3 PCT/US2011/052040 US2011052040W WO2012037526A3 WO 2012037526 A3 WO2012037526 A3 WO 2012037526A3 US 2011052040 W US2011052040 W US 2011052040W WO 2012037526 A3 WO2012037526 A3 WO 2012037526A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nitric oxide
- oxide oxidation
- oxidation catalysts
- transition metal
- oxidation catalyst
- Prior art date
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract 6
- 239000003054 catalyst Substances 0.000 title abstract 4
- 230000003647 oxidation Effects 0.000 title abstract 3
- 238000007254 oxidation reaction Methods 0.000 title abstract 3
- 229910052723 transition metal Inorganic materials 0.000 abstract 2
- 150000003624 transition metals Chemical class 0.000 abstract 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000011572 manganese Substances 0.000 abstract 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR 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
- B01J37/03—Precipitation; Co-precipitation
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/825—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with gallium, indium or thallium
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
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- 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
- B01J37/0244—Coatings comprising several layers
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- B01D2255/20746—Cobalt
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- 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
- B01D53/9413—Processes characterised by a specific catalyst
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- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/084—Y-type faujasite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
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- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/7007—Zeolite Beta
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01J37/0246—Coatings comprising a zeolite
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
A nitric oxide oxidation catalyst contains a brownmillerite compound modified with an additional transition metal. In one embodiment, the additional transition metal is selected from cobalt or manganese. The nitric oxide oxidation catalyst may be used as an engine exhaust catalyst.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38404110P | 2010-09-17 | 2010-09-17 | |
US61/384,041 | 2010-09-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012037526A2 WO2012037526A2 (en) | 2012-03-22 |
WO2012037526A3 true WO2012037526A3 (en) | 2012-06-21 |
Family
ID=45832280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2011/052040 WO2012037526A2 (en) | 2010-09-17 | 2011-09-16 | Nitric oxide oxidation catalysts |
Country Status (1)
Country | Link |
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WO (1) | WO2012037526A2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103801286B (en) * | 2012-11-14 | 2016-06-15 | 上海纳米技术及应用国家工程研究中心有限公司 | A kind of loaded chromium oxide catalyst and preparation thereof and application |
EP2835171A1 (en) * | 2013-08-08 | 2015-02-11 | Technical University of Denmark | Method and system for the purification of exhaust gas with an electrochemical cell |
CN103894185B (en) * | 2014-04-01 | 2015-09-02 | 北京工业大学 | A kind of with TiO 2the preparation method of the SCR denitration of-ZnO complex carrier |
US9937489B2 (en) * | 2015-06-18 | 2018-04-10 | Johnson Matthey Public Limited Company | Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC |
US10927465B2 (en) | 2016-11-21 | 2021-02-23 | Toyota Motor Engineering & Manufacturing North America, Inc. | Brownmillerite oxides for oxygen evolution catalyst |
CN108246305B (en) * | 2018-02-06 | 2021-05-25 | 北京阳光欣禾科技有限公司 | Selective oxidation catalyst for flue gas denitration and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4160013A (en) * | 1976-08-05 | 1979-07-03 | University Of Southern California | Process for the oxidation of nitric oxide to nitrogen dioxide |
JPH06170224A (en) * | 1992-12-07 | 1994-06-21 | Tosoh Corp | Brownmillerite type nox decomposing catalyst and its production |
US7631488B2 (en) * | 2006-10-27 | 2009-12-15 | Postech Foundation | Oxidation catalyst for removing fine soot particulates from exhaust gases and method of removing fine soot particulates using the same |
US20100086458A1 (en) * | 2008-10-03 | 2010-04-08 | Gm Global Technology Operations, Inc. | Method and architecture for oxidizing nitric oxide in exhaust gas from hydrocarbon fuel source with a fuel lean combustion mixture |
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2011
- 2011-09-16 WO PCT/US2011/052040 patent/WO2012037526A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4160013A (en) * | 1976-08-05 | 1979-07-03 | University Of Southern California | Process for the oxidation of nitric oxide to nitrogen dioxide |
JPH06170224A (en) * | 1992-12-07 | 1994-06-21 | Tosoh Corp | Brownmillerite type nox decomposing catalyst and its production |
US7631488B2 (en) * | 2006-10-27 | 2009-12-15 | Postech Foundation | Oxidation catalyst for removing fine soot particulates from exhaust gases and method of removing fine soot particulates using the same |
US20100086458A1 (en) * | 2008-10-03 | 2010-04-08 | Gm Global Technology Operations, Inc. | Method and architecture for oxidizing nitric oxide in exhaust gas from hydrocarbon fuel source with a fuel lean combustion mixture |
Also Published As
Publication number | Publication date |
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WO2012037526A2 (en) | 2012-03-22 |
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