GB1473951A - Improvements in or relating to catalysts for exhaust gas treatment - Google Patents
Improvements in or relating to catalysts for exhaust gas treatmentInfo
- Publication number
- GB1473951A GB1473951A GB2371174A GB2371174A GB1473951A GB 1473951 A GB1473951 A GB 1473951A GB 2371174 A GB2371174 A GB 2371174A GB 2371174 A GB2371174 A GB 2371174A GB 1473951 A GB1473951 A GB 1473951A
- Authority
- GB
- United Kingdom
- Prior art keywords
- catalyst
- catalysts
- exhaust gases
- treatment
- exhaust gas
- 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
Links
- 239000003054 catalyst Substances 0.000 title abstract 8
- 239000007789 gas Substances 0.000 abstract 4
- 229910052777 Praseodymium Inorganic materials 0.000 abstract 2
- 229910052746 lanthanum Inorganic materials 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 229910052779 Neodymium Inorganic materials 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052792 caesium Inorganic materials 0.000 abstract 1
- 150000001768 cations Chemical class 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 229910052701 rubidium Inorganic materials 0.000 abstract 1
- 229910052708 sodium Inorganic materials 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- 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
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8986—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with manganese, technetium or rhenium
-
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36426073A | 1973-05-29 | 1973-05-29 | |
| US375948A US3884837A (en) | 1973-07-02 | 1973-07-02 | Catalyst containing a perovskite-like manganite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1473951A true GB1473951A (en) | 1977-05-18 |
Family
ID=27002388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2371174A Expired GB1473951A (en) | 1973-05-29 | 1974-05-29 | Improvements in or relating to catalysts for exhaust gas treatment |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5439277B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2425343B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2231424B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1473951A (enrdf_load_stackoverflow) |
| IT (1) | IT1014234B (enrdf_load_stackoverflow) |
| NL (1) | NL7407129A (enrdf_load_stackoverflow) |
| SE (1) | SE7406976L (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2236493A (en) * | 1989-10-03 | 1991-04-10 | Riken Kk | Exhaust gas purification catalyst |
| CN112076757A (zh) * | 2020-10-02 | 2020-12-15 | 武汉纺织大学 | 一种醋酸刻蚀制备多孔LaCoO3钙钛矿催化剂的方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5092880A (enrdf_load_stackoverflow) * | 1973-12-20 | 1975-07-24 | ||
| JPS5187187A (enrdf_load_stackoverflow) * | 1975-01-30 | 1976-07-30 | Nissan Motor | |
| CN1004992B (zh) * | 1986-07-30 | 1989-08-16 | 北京工业大学 | 制备稀土金属复合氧化物/合金蜂窝体催化剂的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4852691A (enrdf_load_stackoverflow) * | 1971-10-19 | 1973-07-24 |
-
1974
- 1974-05-25 DE DE2425343A patent/DE2425343B2/de active Granted
- 1974-05-27 SE SE7406976A patent/SE7406976L/xx unknown
- 1974-05-28 NL NL7407129A patent/NL7407129A/xx not_active Application Discontinuation
- 1974-05-28 FR FR7418481A patent/FR2231424B1/fr not_active Expired
- 1974-05-28 IT IT68669/74A patent/IT1014234B/it active
- 1974-05-29 GB GB2371174A patent/GB1473951A/en not_active Expired
- 1974-05-29 JP JP5983374A patent/JPS5439277B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2236493A (en) * | 1989-10-03 | 1991-04-10 | Riken Kk | Exhaust gas purification catalyst |
| CN112076757A (zh) * | 2020-10-02 | 2020-12-15 | 武汉纺织大学 | 一种醋酸刻蚀制备多孔LaCoO3钙钛矿催化剂的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2425343A1 (de) | 1975-01-02 |
| FR2231424A1 (enrdf_load_stackoverflow) | 1974-12-27 |
| IT1014234B (it) | 1977-04-20 |
| DE2425343B2 (de) | 1978-10-26 |
| NL7407129A (enrdf_load_stackoverflow) | 1974-12-03 |
| FR2231424B1 (enrdf_load_stackoverflow) | 1976-12-24 |
| JPS5439277B2 (enrdf_load_stackoverflow) | 1979-11-27 |
| SE7406976L (enrdf_load_stackoverflow) | 1974-12-02 |
| JPS5027793A (enrdf_load_stackoverflow) | 1975-03-22 |
| DE2425343C3 (enrdf_load_stackoverflow) | 1979-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |