MX2009008208A - Composiciones cataliticas de conversion de tres vias de multiples capas. - Google Patents
Composiciones cataliticas de conversion de tres vias de multiples capas.Info
- Publication number
- MX2009008208A MX2009008208A MX2009008208A MX2009008208A MX2009008208A MX 2009008208 A MX2009008208 A MX 2009008208A MX 2009008208 A MX2009008208 A MX 2009008208A MX 2009008208 A MX2009008208 A MX 2009008208A MX 2009008208 A MX2009008208 A MX 2009008208A
- Authority
- MX
- Mexico
- Prior art keywords
- multilayered
- conversion catalyst
- way conversion
- layers
- oxygen storage
- Prior art date
Links
Classifications
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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
- B01J37/024—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
- 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
- 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
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- 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
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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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/12—Silica and alumina
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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
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
- B01D2255/502—Beta zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/902—Multilayered catalyst
- B01D2255/9027—More than three layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/908—O2-storage component incorporated in the catalyst
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- 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)
Abstract
Se describe un catalizador de conversión de tres vías de múltiples capas que tiene la capacidad de catalizar en forma simultánea la oxidación de hidrocarburos y monóxido de carbono y la reducción de óxidos de nitrógeno. Se proporciona un material catalítico de por lo menos cuatro capas junto con un portador, donde cada una de las capas incluye un soporte, por lo menos tres capas comprenden un componente de metal precioso y por lo menos una capa comprende un componente de almacenamiento de oxígeno (OSC). El material catalítico puede además comprender una quinta capa, donde por lo menos cuatro capas comprenden un componente de metal precioso, por lo menos una capa comprende un componente de almacenamiento de oxígeno y por lo menos una capa es sustancialmente libre de un componente de almacenamiento de oxígeno.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88807107P | 2007-02-02 | 2007-02-02 | |
US11/971,515 US7754171B2 (en) | 2007-02-02 | 2008-01-09 | Multilayered catalyst compositions |
PCT/US2008/051304 WO2008097702A1 (en) | 2007-02-02 | 2008-01-17 | Multilayered three-way conversion catalyst compositions |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2009008208A true MX2009008208A (es) | 2009-08-31 |
Family
ID=39528196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2009008208A MX2009008208A (es) | 2007-02-02 | 2008-01-17 | Composiciones cataliticas de conversion de tres vias de multiples capas. |
Country Status (8)
Country | Link |
---|---|
US (1) | US7754171B2 (es) |
EP (1) | EP2125200B1 (es) |
KR (1) | KR20090117770A (es) |
CN (2) | CN101652174B (es) |
AR (1) | AR065061A1 (es) |
CA (1) | CA2677089A1 (es) |
MX (1) | MX2009008208A (es) |
WO (1) | WO2008097702A1 (es) |
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JP3489048B2 (ja) | 2000-02-01 | 2004-01-19 | 日産自動車株式会社 | 排気ガス浄化用触媒 |
US6777370B2 (en) | 2001-04-13 | 2004-08-17 | Engelhard Corporation | SOx tolerant NOx trap catalysts and methods of making and using the same |
US6764665B2 (en) * | 2001-10-26 | 2004-07-20 | Engelhard Corporation | Layered catalyst composite |
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JP4460844B2 (ja) | 2003-04-17 | 2010-05-12 | 株式会社アイシーティー | 排ガス浄化用触媒および排気ガスの浄化方法 |
US20050164879A1 (en) * | 2004-01-28 | 2005-07-28 | Engelhard Corporation | Layered SOx tolerant NOx trap catalysts and methods of making and using the same |
US7374729B2 (en) * | 2004-03-30 | 2008-05-20 | Basf Catalysts Llc | Exhaust gas treatment catalyst |
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CN1311903C (zh) * | 2004-12-09 | 2007-04-25 | 天津化工研究设计院 | 一种稀土基高性能三效催化剂的制备方法 |
US7678347B2 (en) * | 2005-07-15 | 2010-03-16 | Basf Catalysts Llc | High phosphorous poisoning resistant catalysts for treating automobile exhaust |
WO2007052821A1 (ja) * | 2005-11-04 | 2007-05-10 | Toyota Jidosha Kabushiki Kaisha | 触媒担体粒子、排ガス浄化触媒、及びそれらの製造方法 |
JP2008100152A (ja) * | 2006-10-18 | 2008-05-01 | Cataler Corp | 排ガス浄化用触媒 |
JP5173180B2 (ja) | 2006-10-30 | 2013-03-27 | 株式会社キャタラー | 排ガス浄化用触媒 |
-
2008
- 2008-01-09 US US11/971,515 patent/US7754171B2/en not_active Expired - Fee Related
- 2008-01-17 WO PCT/US2008/051304 patent/WO2008097702A1/en active Application Filing
- 2008-01-17 KR KR1020097018268A patent/KR20090117770A/ko not_active Application Discontinuation
- 2008-01-17 CA CA002677089A patent/CA2677089A1/en not_active Abandoned
- 2008-01-17 EP EP08727826.3A patent/EP2125200B1/en not_active Not-in-force
- 2008-01-17 MX MX2009008208A patent/MX2009008208A/es unknown
- 2008-01-17 CN CN2008800108697A patent/CN101652174B/zh not_active Expired - Fee Related
- 2008-01-17 CN CN201210330097.3A patent/CN103055858B/zh not_active Expired - Fee Related
- 2008-01-28 AR ARP080100339A patent/AR065061A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
EP2125200A1 (en) | 2009-12-02 |
WO2008097702A1 (en) | 2008-08-14 |
KR20090117770A (ko) | 2009-11-12 |
CN101652174A (zh) | 2010-02-17 |
EP2125200B1 (en) | 2013-05-22 |
CA2677089A1 (en) | 2008-08-14 |
CN101652174B (zh) | 2012-09-19 |
CN103055858B (zh) | 2015-06-03 |
CN103055858A (zh) | 2013-04-24 |
US20080219906A1 (en) | 2008-09-11 |
AR065061A1 (es) | 2009-05-13 |
US7754171B2 (en) | 2010-07-13 |
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