MX170849B - Material portador para catalizadores de tres vias conteniendo metal del grupo del platino con tendencia reducida a la emision de h2s - Google Patents
Material portador para catalizadores de tres vias conteniendo metal del grupo del platino con tendencia reducida a la emision de h2sInfo
- Publication number
- MX170849B MX170849B MX019318A MX1931890A MX170849B MX 170849 B MX170849 B MX 170849B MX 019318 A MX019318 A MX 019318A MX 1931890 A MX1931890 A MX 1931890A MX 170849 B MX170849 B MX 170849B
- Authority
- MX
- Mexico
- Prior art keywords
- platinum group
- carrier material
- emission
- catalysts containing
- way catalysts
- Prior art date
Links
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
-
- 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
-
- 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)
Abstract
La presente invención se refiere a material portador para catalizadores de tres vías conteniendo metal del grupo del platino para la purificación de los gases de escape de las máquinas de combustión, que en caso dado se halla dotado con uno o varios óxidos de metales no-nobles, para la purificación de los gases de escape de automotores, con menor tendencia a la emisión de H2S consistente de óxido de aluminio activado y por lo menos 10 por ciento por peso de óxido de cerio, referido a la sumatoria de todos los componentes del portador.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3902913A DE3902913A1 (de) | 1989-02-01 | 1989-02-01 | Traegermaterial fuer platingruppenmetall-haltige dreiweg-katalysatoren mit verringerter neigung zur h(pfeil abwaerts)2(pfeil abwaerts)s-emission |
Publications (1)
Publication Number | Publication Date |
---|---|
MX170849B true MX170849B (es) | 1993-09-20 |
Family
ID=6373194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX019318A MX170849B (es) | 1989-02-01 | 1990-01-30 | Material portador para catalizadores de tres vias conteniendo metal del grupo del platino con tendencia reducida a la emision de h2s |
Country Status (10)
Country | Link |
---|---|
US (1) | US5024985A (es) |
EP (1) | EP0381063B1 (es) |
JP (1) | JP3442382B2 (es) |
KR (1) | KR0131335B1 (es) |
BR (1) | BR9000372A (es) |
CA (1) | CA2009029C (es) |
DE (2) | DE3902913A1 (es) |
FI (1) | FI97334C (es) |
MX (1) | MX170849B (es) |
ZA (1) | ZA90371B (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI90631C (fi) * | 1992-04-23 | 1994-03-10 | Kemira Oy | Menetelmä katalyytissä käytettävän tukiaineen parantamiseksi |
DE69427602T2 (de) * | 1993-01-11 | 2001-11-22 | Toyota Chuo Kenkyusho Aichi Kk | Verfahren zur Reinigung von Abgasen |
US5965481A (en) * | 1993-05-14 | 1999-10-12 | Institut Francais Du Petrole | Process for preparing a catalyst suitable for the treatment of exhaust gases from internal combustion engines |
SE9302913L (sv) * | 1993-09-09 | 1995-03-10 | Perstorp Ab | Bilavgaskatalysator samt förfarande för framställning av densamma |
WO1995009687A1 (en) * | 1993-10-01 | 1995-04-13 | Asec Manufacturing Company | NOBLE METAL CATALYSTS FOR THE REDUCTION OF NOx IN THE EXHAUST GASES FROM INTERNAL COMBUSTION ENGINES CONTAINING EXCESS OXYGEN |
US5919727A (en) * | 1996-11-14 | 1999-07-06 | W. R. Grace & Co.-Conn. | Ceric oxide washcoat |
AU3923300A (en) | 1999-03-26 | 2000-10-16 | Cabot Corporation | Fumed metal oxide comprising catalytic converter |
DE19955456A1 (de) * | 1999-11-17 | 2001-05-23 | Degussa | Verfahren zur Herstellung eines Stickoxid-Speichermaterials und damit hergestelltes Speichermaterial |
JP3858625B2 (ja) * | 2000-07-27 | 2006-12-20 | 株式会社豊田中央研究所 | 複合酸化物とその製造方法及び排ガス浄化用触媒とその製造方法 |
DE10138574A1 (de) | 2001-08-06 | 2003-02-27 | Degussa | Granulate auf Basis von pyrogen hergestelltem Aluminiumoxid, Verfahren zu ihrer Herstellung und ihre Verwendung |
US7871459B2 (en) * | 2004-11-08 | 2011-01-18 | Trustees Of Tufts College | Apparatus and methods for non-regenerative and regenerative hot gas desulfurization |
US7731837B2 (en) * | 2006-09-08 | 2010-06-08 | The Penn State Research Foundation | Oxidatively regenerable adsorbents for sulfur removal |
DE102008061644B4 (de) * | 2008-12-12 | 2014-01-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Zellulärer Werkstoff für Hochtemperaturanwendungen und Verfahren zu seiner Herstellung |
US10865709B2 (en) | 2012-05-23 | 2020-12-15 | Herng Shinn Hwang | Flex-fuel hydrogen reformer for IC engines and gas turbines |
US20140357475A1 (en) * | 2013-05-29 | 2014-12-04 | Cdti | Systems and Methods Using Cu-Mn Spinel Catalyst on Varying Carrier Material Oxides for TWC Applications |
US10626790B2 (en) | 2016-11-16 | 2020-04-21 | Herng Shinn Hwang | Catalytic biogas combined heat and power generator |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3993572A (en) * | 1972-08-04 | 1976-11-23 | Engelhard Minerals & Chemicals Corporation | Rare earth containing catalyst composition |
US3870455A (en) * | 1973-12-10 | 1975-03-11 | Engelhard Min & Chem | Method for catalytically supported thermal combustion |
US4331565A (en) * | 1980-11-28 | 1982-05-25 | General Motors Corporation | Method for forming high surface area catalyst carrier and catalyst using same |
JPS57209819A (en) * | 1981-06-19 | 1982-12-23 | Nissan Motor Co Ltd | Preparation of active alumina pellet supporting cerium uniformly |
FR2559754A1 (fr) * | 1984-02-20 | 1985-08-23 | Rhone Poulenc Spec Chim | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
EP0244127A1 (en) * | 1986-04-16 | 1987-11-04 | Johnson Matthey, Inc., | Method for catalytically controlling exhaust gaz from automobiles |
US4714694A (en) * | 1986-06-30 | 1987-12-22 | Engelhard Corporation | Aluminum-stabilized ceria catalyst compositions, and methods of making the same |
US4760044A (en) * | 1987-06-15 | 1988-07-26 | Allied-Signal Inc. | Catalyst for minimizing the H2 S emissions from automotive exhaust and method of its manufacture |
DE3735033A1 (de) * | 1987-10-16 | 1989-04-27 | Duerrwaechter E Dr Doduco | Katalysator und verfahren zu seiner herstellung |
US4868150A (en) * | 1987-12-22 | 1989-09-19 | Rhone-Poulenc Inc. | Catalyst support material containing lanthanides |
US4900712A (en) * | 1988-09-30 | 1990-02-13 | Prototech Company | Catalytic washcoat and method of preparation of the same |
-
1989
- 1989-02-01 DE DE3902913A patent/DE3902913A1/de active Granted
-
1990
- 1990-01-18 ZA ZA90371A patent/ZA90371B/xx unknown
- 1990-01-26 EP EP90101542A patent/EP0381063B1/de not_active Expired - Lifetime
- 1990-01-26 DE DE9090101542T patent/DE59002127D1/de not_active Expired - Fee Related
- 1990-01-29 US US07/471,486 patent/US5024985A/en not_active Expired - Lifetime
- 1990-01-30 KR KR1019900000985A patent/KR0131335B1/ko not_active IP Right Cessation
- 1990-01-30 MX MX019318A patent/MX170849B/es unknown
- 1990-01-30 BR BR909000372A patent/BR9000372A/pt not_active IP Right Cessation
- 1990-01-31 CA CA002009029A patent/CA2009029C/en not_active Expired - Fee Related
- 1990-02-01 JP JP02054990A patent/JP3442382B2/ja not_active Expired - Fee Related
- 1990-02-01 FI FI900516A patent/FI97334C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2009029A1 (en) | 1990-08-01 |
ZA90371B (en) | 1990-10-31 |
DE3902913A1 (de) | 1990-08-09 |
FI97334B (fi) | 1996-08-30 |
FI900516A0 (fi) | 1990-02-01 |
EP0381063B1 (de) | 1993-08-04 |
JPH03196837A (ja) | 1991-08-28 |
KR900012677A (ko) | 1990-09-01 |
DE59002127D1 (de) | 1993-09-09 |
BR9000372A (pt) | 1990-12-04 |
DE3902913C2 (es) | 1992-03-19 |
EP0381063A1 (de) | 1990-08-08 |
FI97334C (fi) | 1996-12-10 |
CA2009029C (en) | 1996-04-16 |
JP3442382B2 (ja) | 2003-09-02 |
KR0131335B1 (ko) | 1998-04-14 |
US5024985A (en) | 1991-06-18 |
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