AU3803978A - Automotive emission control catalyst and method for making same - Google Patents
Automotive emission control catalyst and method for making sameInfo
- Publication number
- AU3803978A AU3803978A AU38039/78A AU3803978A AU3803978A AU 3803978 A AU3803978 A AU 3803978A AU 38039/78 A AU38039/78 A AU 38039/78A AU 3803978 A AU3803978 A AU 3803978A AU 3803978 A AU3803978 A AU 3803978A
- Authority
- AU
- Australia
- Prior art keywords
- emission control
- making same
- control catalyst
- automotive emission
- automotive
- 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.)
- Granted
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
- B01J23/40—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
-
- 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
-
- 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
- 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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81598277A | 1977-07-15 | 1977-07-15 | |
USUS815982 | 1977-07-15 | ||
US05/871,706 US4128506A (en) | 1978-01-23 | 1978-01-23 | Platinum-rhodium catalyst for automotive emission control |
USUS871706 | 1978-01-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3803978A true AU3803978A (en) | 1980-01-17 |
AU524724B2 AU524724B2 (en) | 1982-09-30 |
Family
ID=27124012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU38039/78A Expired AU524724B2 (en) | 1977-07-15 | 1978-07-14 | Automotive emission control catalyst and method for making same |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5419494A (en) |
AU (1) | AU524724B2 (en) |
DE (1) | DE2830686A1 (en) |
GB (1) | GB2000985B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2023019B (en) * | 1978-02-06 | 1982-10-13 | Gen Motors Corp | Platinum thodium and palladium catalyst for automotive emission control |
SE462143C (en) * | 1988-03-07 | 1996-02-19 | Heraeus Gmbh W C | Catalytic converter for car exhaust cleaning, process for its preparation and use thereof |
US5131224A (en) * | 1990-07-23 | 1992-07-21 | General Motors Corporation | Method for reducing methane exhaust emissions from natural gas fueled engines |
KR100756025B1 (en) * | 2006-08-28 | 2007-09-07 | 희성엥겔하드주식회사 | A catalyst system with three layers for purifying the exhaust gases from internal engines |
GB201303396D0 (en) | 2013-02-26 | 2013-04-10 | Johnson Matthey Plc | Oxidation catalyst for a combustion engine |
FR3064500A1 (en) * | 2017-03-29 | 2018-10-05 | IFP Energies Nouvelles | SELECTIVE HYROGENATION MULTILAYER CATALYST |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3931054A (en) * | 1974-04-19 | 1976-01-06 | Universal Oil Products Company | Method of catalyst manufacture |
-
1978
- 1978-06-28 GB GB7828127A patent/GB2000985B/en not_active Expired
- 1978-07-12 DE DE19782830686 patent/DE2830686A1/en not_active Withdrawn
- 1978-07-13 JP JP8460678A patent/JPS5419494A/en active Pending
- 1978-07-14 AU AU38039/78A patent/AU524724B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU524724B2 (en) | 1982-09-30 |
DE2830686A1 (en) | 1979-02-01 |
JPS5419494A (en) | 1979-02-14 |
GB2000985B (en) | 1982-02-24 |
GB2000985A (en) | 1979-01-24 |
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