DE69936631D1 - Mehrschichtiger Edelmetall-enthaltender Autoabgaskatalysator und seine Herstellung - Google Patents
Mehrschichtiger Edelmetall-enthaltender Autoabgaskatalysator und seine HerstellungInfo
- Publication number
- DE69936631D1 DE69936631D1 DE69936631T DE69936631T DE69936631D1 DE 69936631 D1 DE69936631 D1 DE 69936631D1 DE 69936631 T DE69936631 T DE 69936631T DE 69936631 T DE69936631 T DE 69936631T DE 69936631 D1 DE69936631 D1 DE 69936631D1
- Authority
- DE
- Germany
- Prior art keywords
- zirconia
- oxygen storage
- ceria
- autocatalyst
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000010970 precious metal Substances 0.000 title 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 abstract 3
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- 239000001301 oxygen Substances 0.000 abstract 3
- 229910052760 oxygen Inorganic materials 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229910052697 platinum Inorganic materials 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 239000010948 rhodium Substances 0.000 abstract 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 abstract 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
- B01J23/58—Platinum group metals with alkali- or alkaline earth 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
- B01J23/54—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
-
- B01J35/56—
-
- 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
-
- 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
- B01J37/0248—Coatings comprising impregnated particles
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
- Y10S502/514—Process applicable either to preparing or to regenerating or to rehabilitating catalyst or sorbent
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99108061 | 1999-04-23 | ||
| EP99108061 | 1999-04-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69936631D1 true DE69936631D1 (de) | 2007-09-06 |
| DE69936631T2 DE69936631T2 (de) | 2008-05-08 |
Family
ID=8238030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69936631T Expired - Lifetime DE69936631T2 (de) | 1999-04-23 | 1999-10-02 | Mehrschichtiger Edelmetall-enthaltender Abgaskatalysator und seine Herstellung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6294140B1 (de) |
| AT (1) | ATE367860T1 (de) |
| DE (1) | DE69936631T2 (de) |
Families Citing this family (94)
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| DE60042991D1 (de) * | 1999-07-09 | 2009-11-05 | Nissan Motor | Abgasreinigungskatalysator und Verfahren zu seiner Herstellung |
| JP4443685B2 (ja) * | 1999-09-10 | 2010-03-31 | 三井金属鉱業株式会社 | 排気ガス浄化用助触媒の製造方法 |
| JP2001232195A (ja) * | 1999-12-17 | 2001-08-28 | Ngk Insulators Ltd | 触媒体 |
| US20020032123A1 (en) * | 2000-02-23 | 2002-03-14 | Ford Global Technologies, Inc. | Exhaust gas catalyst and method of manufacturing same |
| ES2242673T3 (es) | 2000-03-28 | 2005-11-16 | UMICORE AG & CO. KG | Catalizador de alto rendimiento de capa simple. |
| FI118326B (fi) * | 2000-04-10 | 2007-10-15 | Ecocat Oy | Adsorbenttikatalyytti |
| DE10022842A1 (de) * | 2000-05-10 | 2001-11-22 | Dmc2 Degussa Metals Catalysts | Strukturierter Katalysator für die selektive Reduktion von Stickoxiden mittels Ammoniak unter Verwendung einer zu Ammoniak hydrolysierbaren Verbindung |
| JP4573993B2 (ja) * | 2000-11-09 | 2010-11-04 | 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 |
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| US6930073B2 (en) * | 2001-11-05 | 2005-08-16 | Delphi Technologies, Inc. | NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions |
| US7022644B2 (en) | 2002-02-20 | 2006-04-04 | Engelhard Corporation | Hydrogen sulfide-suppressing catalyst compositions |
| US7504355B2 (en) * | 2002-06-20 | 2009-03-17 | Princeton University | Supported metal catalyst with improved thermal stability |
| JP4584555B2 (ja) * | 2002-10-17 | 2010-11-24 | 株式会社デンソー | セラミック触媒体 |
| AU2003277384A1 (en) * | 2002-10-25 | 2004-05-25 | Nuvera Fuel Cells | Autothermal reforming catalyst |
| KR100527943B1 (ko) * | 2003-06-04 | 2005-11-09 | 현대자동차주식회사 | 2중층 코팅구조의 팔라듐 삼원촉매 제조방법 |
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| US20050202966A1 (en) * | 2004-03-11 | 2005-09-15 | W.C. Heraeus Gmbh | Catalyst for the decomposition of N2O in the Ostwald process |
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| JP4794834B2 (ja) * | 2004-07-22 | 2011-10-19 | 株式会社豊田中央研究所 | 排ガス浄化用触媒 |
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| EP1632288B1 (de) * | 2004-09-03 | 2012-06-20 | Mazda Motor Corporation | Abgasreinigungskatalysator und Sauerstoffspeicherkomponente dafür |
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| EP1932589A4 (de) * | 2005-10-05 | 2011-04-20 | Cataler Corp | Abgasreinigungskatalysator |
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| EP3505246B1 (de) | 2017-12-19 | 2019-10-23 | Umicore Ag & Co. Kg | Katalytisch aktives partikelfilter |
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| JP7026530B2 (ja) * | 2018-02-22 | 2022-02-28 | エヌ・イーケムキャット株式会社 | 排ガス浄化用三元触媒 |
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| JPS5787839A (en) * | 1980-11-20 | 1982-06-01 | Toyota Motor Corp | Catalyst of monolithic construction type for purification of waste gas |
| US5196390A (en) * | 1987-11-03 | 1993-03-23 | Engelhard Corporation | Hydrogen sulfide-suppressing catalyst system |
| JPH0338250A (ja) | 1989-07-06 | 1991-02-19 | Mazda Motor Corp | 排気ガス浄化用触媒 |
| 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 |
| JPH0760117A (ja) * | 1993-08-30 | 1995-03-07 | Honda Motor Co Ltd | 排気ガス浄化用触媒 |
| AU1843795A (en) | 1994-06-17 | 1996-01-15 | Engelhard Corporation | Layered catalyst composite |
| JPH08229395A (ja) * | 1995-02-24 | 1996-09-10 | Mazda Motor Corp | 排気ガス浄化用触媒 |
| DE19606863A1 (de) * | 1995-02-24 | 1996-08-29 | Mazda Motor | Katalysator zur Abgasreinigung |
| JP3799651B2 (ja) | 1995-04-28 | 2006-07-19 | マツダ株式会社 | 排気ガス浄化用触媒 |
| US5874057A (en) * | 1995-07-12 | 1999-02-23 | Engelhard Corporation | Lean NOx catalyst/trap method |
| BR9712315A (pt) | 1996-10-15 | 2001-01-23 | Rhodia | Ëxodos de cério e zircÈnico, óxidos misturados e soluções sólidas tenddo estabelidade térmica aperfeiçoada para catálide de sistemas de gás de descarga e método de produção |
| DE19714707A1 (de) | 1997-04-09 | 1998-10-15 | Degussa | Sauerstoff speicherndes Material mit hoher Temperaturstabilität sowie Verfahren zu seiner Herstellung |
| DE19714732A1 (de) | 1997-04-09 | 1998-10-15 | Degussa | Verfahren zum Abscheiden von katalytisch aktiven Komponenten auf hochoberflächigen Trägermaterialien |
| DE19726322A1 (de) | 1997-06-20 | 1998-12-24 | Degussa | Abgasreinigungskatalysator für Verbrennungsmotoren mit zwei katalytisch aktiven Schichten auf einem Tragkörper |
| US6107239A (en) * | 1998-01-19 | 2000-08-22 | Luchuang Environment Protection Science Co. Ltd. | Heat resistant metallic oxide catalyst for reducing pollution emission |
-
1999
- 1999-10-01 US US09/409,744 patent/US6294140B1/en not_active Expired - Lifetime
- 1999-10-02 DE DE69936631T patent/DE69936631T2/de not_active Expired - Lifetime
- 1999-10-02 AT AT99119600T patent/ATE367860T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69936631T2 (de) | 2008-05-08 |
| US6294140B1 (en) | 2001-09-25 |
| ATE367860T1 (de) | 2007-08-15 |
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