IT1143068B - Catalizzatore per il trattamento delle emissioni di scarico da motori a combustione interna - Google Patents
Catalizzatore per il trattamento delle emissioni di scarico da motori a combustione internaInfo
- Publication number
- IT1143068B IT1143068B IT47688/80A IT4768880A IT1143068B IT 1143068 B IT1143068 B IT 1143068B IT 47688/80 A IT47688/80 A IT 47688/80A IT 4768880 A IT4768880 A IT 4768880A IT 1143068 B IT1143068 B IT 1143068B
- Authority
- IT
- Italy
- Prior art keywords
- catalyst
- treatment
- internal combustion
- combustion engines
- exhaust emissions
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title 1
- 238000002485 combustion reaction Methods 0.000 title 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
- B01J23/40—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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
-
- 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
- B01J23/894—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 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
-
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2276579A | 1979-03-22 | 1979-03-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8047688A0 IT8047688A0 (it) | 1980-01-24 |
| IT1143068B true IT1143068B (it) | 1986-10-22 |
Family
ID=21811315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT47688/80A IT1143068B (it) | 1979-03-22 | 1980-01-24 | Catalizzatore per il trattamento delle emissioni di scarico da motori a combustione interna |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS55129135A (it) |
| DE (1) | DE3010800A1 (it) |
| FR (1) | FR2451773A1 (it) |
| GB (1) | GB2046118A (it) |
| IT (1) | IT1143068B (it) |
| NL (1) | NL8000554A (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69111612T2 (de) * | 1990-10-04 | 1996-01-25 | Huntsman Spec Chem Corp | Geformter oxydationkatalysator für die herstellung von maleinsäureanhydrid. |
| US5168090A (en) * | 1990-10-04 | 1992-12-01 | Monsanto Company | Shaped oxidation catalyst structures for the production of maleic anhydride |
| DE10005775A1 (de) * | 2000-09-28 | 2001-08-16 | Sued Chemie Ag | Katalysator für die Hydrierung von ungesättigten Kohlenwasserstoffen |
| US7704486B2 (en) * | 2005-02-16 | 2010-04-27 | Basf Corporation | Precious metal water-gas shift catalyst with oxide support modified with rare earth elements |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3764565A (en) * | 1970-03-09 | 1973-10-09 | Standard Oil Co | Catalyst for hydrocracking a resid hydrocarbon |
| US3857780A (en) * | 1972-05-22 | 1974-12-31 | W Gustafson | Hydroforming petroleum fractions in gas phase using shaped catalyst particles |
| US4028227A (en) * | 1974-09-24 | 1977-06-07 | American Cyanamid Company | Hydrotreating of petroleum residuum using shaped catalyst particles of small diameter pores |
| DE2544185C3 (de) * | 1975-10-03 | 1981-10-29 | Basf Ag, 6700 Ludwigshafen | Verfahren zur katalytischen Dehydrierung von Äthylbenzol |
-
1980
- 1980-01-23 GB GB8002237A patent/GB2046118A/en not_active Withdrawn
- 1980-01-24 IT IT47688/80A patent/IT1143068B/it active
- 1980-01-29 NL NL8000554A patent/NL8000554A/nl not_active Application Discontinuation
- 1980-02-29 FR FR8004529A patent/FR2451773A1/fr not_active Withdrawn
- 1980-03-12 JP JP3046680A patent/JPS55129135A/ja active Pending
- 1980-03-20 DE DE3010800A patent/DE3010800A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2046118A (en) | 1980-11-12 |
| NL8000554A (nl) | 1980-09-24 |
| JPS55129135A (en) | 1980-10-06 |
| DE3010800A1 (de) | 1980-10-02 |
| IT8047688A0 (it) | 1980-01-24 |
| FR2451773A1 (fr) | 1980-10-17 |
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