NO321689B1 - Treveis-katalysatorblanding, fremgangsmate for a katalysere en kjemisk reaksjon omfattende reduksjon av nitrogenoksid til nitrogen og anvendelse av katalysatorblandingen. - Google Patents
Treveis-katalysatorblanding, fremgangsmate for a katalysere en kjemisk reaksjon omfattende reduksjon av nitrogenoksid til nitrogen og anvendelse av katalysatorblandingen. Download PDFInfo
- Publication number
- NO321689B1 NO321689B1 NO20006550A NO20006550A NO321689B1 NO 321689 B1 NO321689 B1 NO 321689B1 NO 20006550 A NO20006550 A NO 20006550A NO 20006550 A NO20006550 A NO 20006550A NO 321689 B1 NO321689 B1 NO 321689B1
- Authority
- NO
- Norway
- Prior art keywords
- carrier
- catalyst mixture
- oxide
- catalyst
- rhodium
- Prior art date
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- 239000003054 catalyst Substances 0.000 title claims description 73
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 59
- 239000000203 mixture Substances 0.000 title claims description 50
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims description 20
- 238000006243 chemical reaction Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 title claims description 10
- 239000010948 rhodium Substances 0.000 claims description 62
- 229910052703 rhodium Inorganic materials 0.000 claims description 38
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 35
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 27
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 23
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 19
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 19
- 229910052763 palladium Inorganic materials 0.000 claims description 15
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 13
- 229930195733 hydrocarbon Natural products 0.000 claims description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims description 13
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 13
- 229910052697 platinum Inorganic materials 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 9
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims 2
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 20
- 239000002002 slurry Substances 0.000 description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 11
- 230000003197 catalytic effect Effects 0.000 description 11
- 239000002243 precursor Substances 0.000 description 11
- GNRSAWUEBMWBQH-UHFFFAOYSA-N nickel(II) oxide Inorganic materials [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- 239000010410 layer Substances 0.000 description 9
- 239000000919 ceramic Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 5
- 239000011149 active material Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 description 1
- 229910017504 Nd(NO3)3 Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910021604 Rhodium(III) chloride Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(II,III) oxide Inorganic materials [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium oxide Inorganic materials [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 1
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(II) nitrate Inorganic materials [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 1
- -1 platinum group metals Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
-
- 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]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- 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
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
- 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
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9813367.1A GB9813367D0 (en) | 1998-06-22 | 1998-06-22 | Catalyst |
| PCT/GB1999/001914 WO1999067020A1 (en) | 1998-06-22 | 1999-06-16 | Exhaust gas catalyst comprising rhodium, zirconia and rare earth oxide |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20006550D0 NO20006550D0 (no) | 2000-12-21 |
| NO20006550L NO20006550L (no) | 2001-02-22 |
| NO321689B1 true NO321689B1 (no) | 2006-06-19 |
Family
ID=10834114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20006550A NO321689B1 (no) | 1998-06-22 | 2000-12-21 | Treveis-katalysatorblanding, fremgangsmate for a katalysere en kjemisk reaksjon omfattende reduksjon av nitrogenoksid til nitrogen og anvendelse av katalysatorblandingen. |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6692712B1 (ja) |
| EP (1) | EP1098702B1 (ja) |
| JP (1) | JP4454855B2 (ja) |
| KR (1) | KR100604139B1 (ja) |
| CN (1) | CN1152743C (ja) |
| AU (1) | AU737460B2 (ja) |
| BR (1) | BR9911494B1 (ja) |
| CA (1) | CA2335812C (ja) |
| CZ (1) | CZ297085B6 (ja) |
| DE (1) | DE69910791T2 (ja) |
| ES (1) | ES2207236T3 (ja) |
| GB (1) | GB9813367D0 (ja) |
| IN (1) | IN2001MU00029A (ja) |
| MX (1) | MX220384B (ja) |
| NO (1) | NO321689B1 (ja) |
| NZ (1) | NZ509109A (ja) |
| PL (1) | PL198392B1 (ja) |
| WO (1) | WO1999067020A1 (ja) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7081431B2 (en) * | 2000-09-08 | 2006-07-25 | Toyota Jidosha Kabushiki Kaisha | NOx absorbent and absorption reduction-type NOx purifying catalyst |
| US6930073B2 (en) * | 2001-11-05 | 2005-08-16 | Delphi Technologies, Inc. | NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions |
| US6946013B2 (en) * | 2002-10-28 | 2005-09-20 | Geo2 Technologies, Inc. | Ceramic exhaust filter |
| PL380019A1 (pl) * | 2003-12-19 | 2006-12-11 | Celanese International Corporation | Prekursory katalizatorów wolne od chlorków |
| JP4959129B2 (ja) | 2004-02-16 | 2012-06-20 | 株式会社キャタラー | 排ガス浄化用触媒 |
| DE102004024026A1 (de) * | 2004-03-11 | 2005-09-29 | W.C. Heraeus Gmbh | Katalysator zur N2O-Zersetzung beim Ostwaldprozess |
| US20050202966A1 (en) * | 2004-03-11 | 2005-09-15 | W.C. Heraeus Gmbh | Catalyst for the decomposition of N2O in the Ostwald process |
| JP4465352B2 (ja) | 2004-03-11 | 2010-05-19 | 株式会社キャタラー | 排ガス浄化触媒 |
| JP4199691B2 (ja) * | 2004-03-25 | 2008-12-17 | 田中貴金属工業株式会社 | 触媒 |
| US7601671B2 (en) * | 2004-10-28 | 2009-10-13 | Umicore Ag & Co. Kg | Drying method for exhaust gas catalyst |
| US8080494B2 (en) * | 2004-12-14 | 2011-12-20 | Nissan Motor Co., Ltd. | Catalyst, exhaust gas purifying catalyst, and method of producing the catalyst |
| JP4737984B2 (ja) * | 2004-12-15 | 2011-08-03 | 株式会社キャタラー | 耐熱性酸化物 |
| JP4654746B2 (ja) * | 2005-04-14 | 2011-03-23 | マツダ株式会社 | 排気ガス浄化触媒装置 |
| US8115373B2 (en) | 2005-07-06 | 2012-02-14 | Rochester Institute Of Technology | Self-regenerating particulate trap systems for emissions and methods thereof |
| US20070078053A1 (en) * | 2005-09-30 | 2007-04-05 | U.S.A. As Represented By The Administrator Of The National Aeronautics And Space Administration | Catalyst for decomposition of nitrogen oxides |
| JP4830624B2 (ja) * | 2006-05-15 | 2011-12-07 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP2007301526A (ja) * | 2006-05-15 | 2007-11-22 | Toyota Central Res & Dev Lab Inc | 排ガス浄化用触媒及びその製造方法 |
| JP4826337B2 (ja) * | 2006-05-23 | 2011-11-30 | マツダ株式会社 | 排気ガス浄化用触媒及び排気ガス浄化方法 |
| JP4265626B2 (ja) | 2006-07-12 | 2009-05-20 | トヨタ自動車株式会社 | 触媒担体粒子及びその製造方法、並びに排ガス浄化触媒 |
| US7758834B2 (en) * | 2006-08-21 | 2010-07-20 | Basf Corporation | Layered catalyst composite |
| US7550124B2 (en) * | 2006-08-21 | 2009-06-23 | Basf Catalysts Llc | Layered catalyst composite |
| US7648675B2 (en) * | 2006-10-06 | 2010-01-19 | Zhang Shi C | Reaction sintered zirconium carbide/tungsten composite bodies and a method for producing the same |
| JP5140987B2 (ja) * | 2006-10-24 | 2013-02-13 | トヨタ自動車株式会社 | 触媒担体及びその製造方法、並びに排ガス浄化触媒 |
| US20080182473A1 (en) * | 2007-01-16 | 2008-07-31 | Dow Global Technologies Inc. | Stretch fabrics and garments of olefin block polymers |
| US8007750B2 (en) | 2007-07-19 | 2011-08-30 | Basf Corporation | Multilayered catalyst compositions |
| US7802420B2 (en) * | 2007-07-26 | 2010-09-28 | Eaton Corporation | Catalyst composition and structure for a diesel-fueled autothermal reformer placed in and exhaust stream |
| US7622096B2 (en) * | 2007-08-09 | 2009-11-24 | Basf Catalysts Llc | Multilayered catalyst compositions |
| US8038951B2 (en) | 2007-08-09 | 2011-10-18 | Basf Corporation | Catalyst compositions |
| US7879755B2 (en) * | 2007-08-09 | 2011-02-01 | Basf Corporation | Catalyst compositions |
| US7922988B2 (en) * | 2007-08-09 | 2011-04-12 | Michel Deeba | Multilayered catalyst compositions |
| US20090175773A1 (en) * | 2008-01-08 | 2009-07-09 | Chen Shau-Lin F | Multilayered Catalyst Compositions |
| WO2010071205A1 (ja) * | 2008-12-19 | 2010-06-24 | 株式会社 キャタラー | 排ガス浄化用触媒 |
| JP2010149015A (ja) | 2008-12-24 | 2010-07-08 | Mitsubishi Motors Corp | 排気浄化触媒及び排気浄化装置 |
| US8940242B2 (en) * | 2009-04-17 | 2015-01-27 | Basf Corporation | Multi-zoned catalyst compositions |
| US8530372B2 (en) * | 2009-07-22 | 2013-09-10 | Basf Corporation | Oxygen storage catalyst with decreased ceria reduction temperature |
| US8943811B2 (en) * | 2010-12-22 | 2015-02-03 | GM Global Technology Operations LLC | Perovskite-based catalysts, catalyst combinations and methods of making and using the same |
| US8617496B2 (en) | 2011-01-19 | 2013-12-31 | Basf Corporation | Three way conversion catalyst with alumina-free rhodium layer |
| CN102728395B (zh) * | 2011-04-02 | 2014-05-07 | 中国科学院大连化学物理研究所 | 用于富氧气氛中还原氮氧化合物的催化剂及其制备和应用 |
| US9011784B2 (en) * | 2011-08-10 | 2015-04-21 | Clean Diesel Technologies, Inc. | Catalyst with lanthanide-doped zirconia and methods of making |
| WO2017073527A1 (ja) | 2015-10-27 | 2017-05-04 | 株式会社キャタラー | 排ガス浄化用触媒及びその製造方法並びにそれを用いた排ガス浄化装置 |
| EP3434362A4 (en) * | 2016-03-25 | 2019-11-27 | Cataler Corporation | EXHAUST GAS PURIFYING CATALYST AND PRODUCTION METHOD THEREFOR, AND EXHAUST GAS PURIFYING DEVICE USING THE SAME |
| DE112017007871T5 (de) | 2017-09-18 | 2020-05-14 | Ford Global Technologies, Llc | Katalysator zur emissionssteuerung in autos |
| GB2577372B (en) * | 2018-07-27 | 2023-03-29 | Johnson Matthey Plc | Improved TWC catalsts containing high dopant support |
| JP7184743B2 (ja) * | 2019-12-26 | 2022-12-06 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| US11788450B2 (en) * | 2020-10-30 | 2023-10-17 | Johnson Matthey Public Limited Company | TWC catalysts for gasoline engine exhaust gas treatments |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63116742A (ja) * | 1986-11-04 | 1988-05-21 | Toyota Motor Corp | 排気ガス浄化用触媒 |
| EP0495534A3 (en) | 1988-03-12 | 1992-10-07 | Akira C/O Kohgakuin University Igarashi | Catalyst for steam reforming of hydrocarbon |
| US5015617A (en) * | 1988-04-14 | 1991-05-14 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalyst for purifying exhaust gas and method for production thereof |
| CA2027422A1 (en) | 1989-11-08 | 1991-05-09 | Samuel J. Tauster | Three way conversion catalyst including a ceria-containing zirconia support |
| US5254519A (en) * | 1990-02-22 | 1993-10-19 | Engelhard Corporation | Catalyst composition containing platinum and rhodium components |
| US5057483A (en) * | 1990-02-22 | 1991-10-15 | Engelhard Corporation | Catalyst composition containing segregated platinum and rhodium components |
| JP2628798B2 (ja) * | 1991-03-14 | 1997-07-09 | エヌ・イーケムキャット株式会社 | 耐熱性に優れた排気ガス浄化用触媒及びその製造方法 |
| FR2701472B1 (fr) * | 1993-02-10 | 1995-05-24 | Rhone Poulenc Chimie | Procédé de préparation de compositions à base d'oxydes mixtes de zirconium et de cérium. |
| US6497851B1 (en) * | 1994-12-06 | 2002-12-24 | Englehard Corporation | Engine exhaust treatment apparatus and method of use |
| GB9615123D0 (en) * | 1996-07-18 | 1996-09-04 | Johnson Matthey Plc | Three-way conversion catalysts and methods for the preparation therof |
-
1998
- 1998-06-22 GB GBGB9813367.1A patent/GB9813367D0/en not_active Ceased
-
1999
- 1999-06-16 AU AU45181/99A patent/AU737460B2/en not_active Ceased
- 1999-06-16 CA CA002335812A patent/CA2335812C/en not_active Expired - Fee Related
- 1999-06-16 EP EP99928052A patent/EP1098702B1/en not_active Expired - Lifetime
- 1999-06-16 CN CNB998099457A patent/CN1152743C/zh not_active Expired - Lifetime
- 1999-06-16 US US09/720,151 patent/US6692712B1/en not_active Expired - Lifetime
- 1999-06-16 WO PCT/GB1999/001914 patent/WO1999067020A1/en active IP Right Grant
- 1999-06-16 ES ES99928052T patent/ES2207236T3/es not_active Expired - Lifetime
- 1999-06-16 BR BRPI9911494-1A patent/BR9911494B1/pt not_active IP Right Cessation
- 1999-06-16 JP JP2000555697A patent/JP4454855B2/ja not_active Expired - Lifetime
- 1999-06-16 PL PL345033A patent/PL198392B1/pl unknown
- 1999-06-16 NZ NZ509109A patent/NZ509109A/xx unknown
- 1999-06-16 DE DE69910791T patent/DE69910791T2/de not_active Expired - Lifetime
- 1999-06-16 CZ CZ20004881A patent/CZ297085B6/cs not_active IP Right Cessation
- 1999-06-16 KR KR20007014690A patent/KR100604139B1/ko not_active IP Right Cessation
-
2000
- 2000-12-20 MX MXPA00012923 patent/MX220384B/es not_active IP Right Cessation
- 2000-12-21 NO NO20006550A patent/NO321689B1/no unknown
-
2001
- 2001-01-05 IN IN29MU2001 patent/IN2001MU00029A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB9813367D0 (en) | 1998-08-19 |
| KR20010053142A (ko) | 2001-06-25 |
| DE69910791D1 (de) | 2003-10-02 |
| NO20006550L (no) | 2001-02-22 |
| CN1152743C (zh) | 2004-06-09 |
| JP4454855B2 (ja) | 2010-04-21 |
| MXPA00012923A (es) | 2001-09-01 |
| DE69910791T2 (de) | 2004-07-01 |
| CA2335812C (en) | 2008-03-25 |
| PL198392B1 (pl) | 2008-06-30 |
| IN2001MU00029A (ja) | 2005-08-19 |
| EP1098702B1 (en) | 2003-08-27 |
| MX220384B (es) | 2004-05-13 |
| WO1999067020A1 (en) | 1999-12-29 |
| CA2335812A1 (en) | 1999-12-29 |
| CZ297085B6 (cs) | 2006-09-13 |
| PL345033A1 (en) | 2001-11-19 |
| ES2207236T3 (es) | 2004-05-16 |
| CN1313787A (zh) | 2001-09-19 |
| AU737460B2 (en) | 2001-08-23 |
| JP2002518171A (ja) | 2002-06-25 |
| EP1098702A1 (en) | 2001-05-16 |
| KR100604139B1 (ko) | 2006-07-25 |
| NZ509109A (en) | 2002-09-27 |
| BR9911494A (pt) | 2001-09-18 |
| BR9911494B1 (pt) | 2011-04-19 |
| NO20006550D0 (no) | 2000-12-21 |
| AU4518199A (en) | 2000-01-10 |
| US6692712B1 (en) | 2004-02-17 |
| CZ20004881A3 (cs) | 2001-08-15 |
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