WO2006057067A1 - 排ガス浄化用触媒 - Google Patents
排ガス浄化用触媒 Download PDFInfo
- Publication number
- WO2006057067A1 WO2006057067A1 PCT/JP2004/017908 JP2004017908W WO2006057067A1 WO 2006057067 A1 WO2006057067 A1 WO 2006057067A1 JP 2004017908 W JP2004017908 W JP 2004017908W WO 2006057067 A1 WO2006057067 A1 WO 2006057067A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- catalyst
- layer
- supported
- catalyst layer
- exhaust gas
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 353
- 238000000746 purification Methods 0.000 title abstract description 38
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 28
- 229910052809 inorganic oxide Inorganic materials 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 abstract description 362
- 239000002344 surface layer Substances 0.000 abstract description 43
- 229910052703 rhodium Inorganic materials 0.000 abstract description 17
- 229910052763 palladium Inorganic materials 0.000 abstract description 11
- 229910052697 platinum Inorganic materials 0.000 abstract description 5
- 239000010948 rhodium Substances 0.000 abstract 6
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 abstract 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 107
- 239000002131 composite material Substances 0.000 description 41
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 40
- 230000000052 comparative effect Effects 0.000 description 35
- 239000007864 aqueous solution Substances 0.000 description 30
- RCFVMJKOEJFGTM-UHFFFAOYSA-N cerium zirconium Chemical compound [Zr].[Ce] RCFVMJKOEJFGTM-UHFFFAOYSA-N 0.000 description 23
- 229910052684 Cerium Inorganic materials 0.000 description 19
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 18
- 239000002002 slurry Substances 0.000 description 18
- 229910052726 zirconium Inorganic materials 0.000 description 18
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 17
- 238000000034 method Methods 0.000 description 14
- 238000010304 firing Methods 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910001868 water Inorganic materials 0.000 description 5
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 230000004323 axial length Effects 0.000 description 3
- 238000004453 electron probe microanalysis Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052878 cordierite Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 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 2
- 230000000694 effects Effects 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- RWFBQHICRCUQJJ-NUHJPDEHSA-N (S)-nicotine N(1')-oxide Chemical compound C[N+]1([O-])CCC[C@H]1C1=CC=CN=C1 RWFBQHICRCUQJJ-NUHJPDEHSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- NZPIUJUFIFZSPW-UHFFFAOYSA-H lanthanum carbonate Chemical compound [La+3].[La+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O NZPIUJUFIFZSPW-UHFFFAOYSA-H 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- -1 palium oxide Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
Classifications
-
- 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
- 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
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
-
- 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
- B01J23/464—Rhodium
-
- B01J35/19—
-
- 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
- B01J37/024—Multiple impregnation or coating
- B01J37/0242—Coating followed by impregnation
-
- 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
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
-
- 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
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006546550A JP4682151B2 (ja) | 2004-11-25 | 2004-11-25 | 排ガス浄化用触媒 |
US11/791,141 US7737077B2 (en) | 2004-11-25 | 2004-11-25 | Catalyst for purifying exhaust gases |
EP04799904A EP1825912A4 (en) | 2004-11-25 | 2004-11-25 | CATALYST FOR THE PURIFICATION OF EXHAUST GAS |
PCT/JP2004/017908 WO2006057067A1 (ja) | 2004-11-25 | 2004-11-25 | 排ガス浄化用触媒 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/017908 WO2006057067A1 (ja) | 2004-11-25 | 2004-11-25 | 排ガス浄化用触媒 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006057067A1 true WO2006057067A1 (ja) | 2006-06-01 |
Family
ID=36497816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/017908 WO2006057067A1 (ja) | 2004-11-25 | 2004-11-25 | 排ガス浄化用触媒 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7737077B2 (ja) |
EP (1) | EP1825912A4 (ja) |
JP (1) | JP4682151B2 (ja) |
WO (1) | WO2006057067A1 (ja) |
Cited By (9)
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---|---|---|---|---|
JP2010005591A (ja) * | 2008-06-30 | 2010-01-14 | Toyota Motor Corp | 排ガス浄化用触媒 |
JP2010005592A (ja) * | 2008-06-30 | 2010-01-14 | Toyota Motor Corp | 排ガス浄化用触媒 |
US20100075841A1 (en) * | 2006-09-29 | 2010-03-25 | Akiya Chiba | Rhodium-loading solution and rhodium catalyst prepared using the same |
JP2014141911A (ja) * | 2013-01-23 | 2014-08-07 | Toyota Motor Corp | 触媒コンバーター |
WO2014125734A1 (ja) * | 2013-02-13 | 2014-08-21 | トヨタ自動車株式会社 | 触媒コンバーター |
JP2016026112A (ja) * | 2010-01-04 | 2016-02-12 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
WO2018199250A1 (ja) * | 2017-04-28 | 2018-11-01 | ユミコア日本触媒株式会社 | 排気ガス浄化用触媒およびそれを用いた排気ガス浄化方法 |
WO2019163446A1 (ja) * | 2018-02-21 | 2019-08-29 | 株式会社キャタラー | 排ガス浄化触媒装置 |
WO2019163403A1 (ja) * | 2018-02-21 | 2019-08-29 | 株式会社キャタラー | 排ガス浄化触媒装置 |
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JP2006205002A (ja) * | 2005-01-26 | 2006-08-10 | Toyota Motor Corp | 排ガス浄化用触媒 |
WO2008000449A2 (de) * | 2006-06-29 | 2008-01-03 | Umicore Ag & Co. Kg | Dreiweg-katalysator |
JP4935219B2 (ja) * | 2006-07-20 | 2012-05-23 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
WO2008093471A1 (ja) * | 2007-02-01 | 2008-08-07 | Daiichi Kigenso Kagaku Kogyo Co., Ltd. | 自動車用排気ガス浄化装置に用いられる触媒系、それを用いた排気ガス浄化装置、及び排気ガス浄化方法 |
DE502007002874D1 (de) * | 2007-09-28 | 2010-04-01 | Umicore Ag & Co Kg | Entfernung von Partikeln aus dem Abgas von mit überwiegend stöchiometrischem Luft/Kraftstoff-Gemisch betriebenen Verbrennungsmotoren |
WO2010026814A1 (ja) * | 2008-09-02 | 2010-03-11 | 日産自動車株式会社 | 排気ガス浄化用触媒及びその製造方法 |
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 |
JP5492448B2 (ja) * | 2009-04-28 | 2014-05-14 | 株式会社キャタラー | 排ガス浄化用触媒 |
US8207084B2 (en) | 2009-06-23 | 2012-06-26 | Ford Global Technologies, Llc | Urea-resistant catalytic units and methods of using the same |
US8557204B2 (en) | 2010-11-22 | 2013-10-15 | Umicore Ag & Co. Kg | Three-way catalyst having an upstream single-layer catalyst |
WO2012140775A1 (ja) * | 2011-04-15 | 2012-10-18 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP5720949B2 (ja) * | 2011-12-08 | 2015-05-20 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
JP5942894B2 (ja) * | 2013-02-21 | 2016-06-29 | マツダ株式会社 | 排気ガス浄化用触媒の製造方法 |
GB201315892D0 (en) * | 2013-07-31 | 2013-10-23 | Johnson Matthey Plc | Zoned diesel oxidation catalyst |
JP5804004B2 (ja) * | 2013-08-22 | 2015-11-04 | トヨタ自動車株式会社 | 触媒コンバーター |
JP5870981B2 (ja) * | 2013-10-09 | 2016-03-01 | トヨタ自動車株式会社 | 触媒コンバーター |
JP6693406B2 (ja) * | 2016-12-20 | 2020-05-13 | 三菱自動車工業株式会社 | 排気ガス浄化装置 |
DE112017007871T5 (de) * | 2017-09-18 | 2020-05-14 | Ford Global Technologies, Llc | Katalysator zur emissionssteuerung in autos |
JP6684257B2 (ja) | 2017-09-27 | 2020-04-22 | イビデン株式会社 | 排ガス浄化用ハニカム触媒 |
JP2019058875A (ja) | 2017-09-27 | 2019-04-18 | イビデン株式会社 | ハニカム触媒 |
JP2019058876A (ja) * | 2017-09-27 | 2019-04-18 | イビデン株式会社 | ハニカム触媒 |
JP6698602B2 (ja) | 2017-09-27 | 2020-05-27 | イビデン株式会社 | 排ガス浄化用ハニカム触媒 |
US20200030776A1 (en) * | 2018-07-27 | 2020-01-30 | Johnson Matthey Public Limited Company | Twc catalysts containing high dopant support |
EP3915680A4 (en) * | 2019-01-22 | 2022-03-09 | Mitsui Mining & Smelting Co., Ltd. | CATALYST FOR PURIFYING AN EXHAUST GAS |
JP7288331B2 (ja) * | 2019-03-29 | 2023-06-07 | 株式会社キャタラー | 排ガス浄化触媒装置 |
US11642655B2 (en) * | 2020-01-07 | 2023-05-09 | Johnson Matthey Public Limited Company | Multi-region TWC catalysts for gasoline engine exhaust gas treatments |
US11788450B2 (en) * | 2020-10-30 | 2023-10-17 | Johnson Matthey Public Limited Company | TWC catalysts for gasoline engine exhaust gas treatments |
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JPWO2018199250A1 (ja) * | 2017-04-28 | 2020-03-12 | ユミコア日本触媒株式会社 | 排気ガス浄化用触媒およびそれを用いた排気ガス浄化方法 |
WO2019163446A1 (ja) * | 2018-02-21 | 2019-08-29 | 株式会社キャタラー | 排ガス浄化触媒装置 |
JPWO2019163403A1 (ja) * | 2018-02-21 | 2021-01-14 | 株式会社キャタラー | 排ガス浄化触媒装置 |
JPWO2019163446A1 (ja) * | 2018-02-21 | 2021-01-07 | 株式会社キャタラー | 排ガス浄化触媒装置 |
JP7017621B2 (ja) | 2018-02-21 | 2022-02-08 | 株式会社キャタラー | 排ガス浄化触媒装置 |
WO2019163403A1 (ja) * | 2018-02-21 | 2019-08-29 | 株式会社キャタラー | 排ガス浄化触媒装置 |
US11524285B2 (en) | 2018-02-21 | 2022-12-13 | Cataler Corporation | Exhaust gas purification catalyst device |
US11633724B2 (en) | 2018-02-21 | 2023-04-25 | Cataler Corporation | Methods for exhaust gas purification |
Also Published As
Publication number | Publication date |
---|---|
JP4682151B2 (ja) | 2011-05-11 |
US20080081762A1 (en) | 2008-04-03 |
EP1825912A4 (en) | 2010-04-14 |
US7737077B2 (en) | 2010-06-15 |
JPWO2006057067A1 (ja) | 2008-06-05 |
EP1825912A1 (en) | 2007-08-29 |
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