FR2293965B1 - - Google Patents
Info
- Publication number
- FR2293965B1 FR2293965B1 FR7441145A FR7441145A FR2293965B1 FR 2293965 B1 FR2293965 B1 FR 2293965B1 FR 7441145 A FR7441145 A FR 7441145A FR 7441145 A FR7441145 A FR 7441145A FR 2293965 B1 FR2293965 B1 FR 2293965B1
- Authority
- FR
- France
- 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
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
- B01J23/70—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
- B01J23/8993—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 chromium, molybdenum or tungsten
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
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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)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7441145A FR2293965A1 (fr) | 1974-12-13 | 1974-12-13 | Purification des gaz d'echappement des moteurs a explosion ou a combustion interne |
| DE19752555368 DE2555368A1 (de) | 1974-12-13 | 1975-12-09 | Verfahren und vorrichtung zur katalytischen reinigung der auspuffgase von benzinmotoren |
| JP50147498A JPS5186093A (US07368563-20080506-C00056.png) | 1974-12-13 | 1975-12-12 | |
| GB51086/75A GB1503377A (en) | 1974-12-13 | 1975-12-12 | Catalytic purification of internal combustion engine exhaust gases |
| IT70076/75A IT1051500B (it) | 1974-12-13 | 1975-12-12 | Procedimento e catalizzatore per la depurazione dei gas di scarico dei motori a scoppio o a combustione in terna |
| CA241,994A CA1062228A (en) | 1974-12-13 | 1975-12-12 | Purification of the exhaust gases of internal combustion engines |
| US05/640,280 US4064073A (en) | 1974-12-13 | 1975-12-12 | Catalyst for the purification of the exhaust gases of internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7441145A FR2293965A1 (fr) | 1974-12-13 | 1974-12-13 | Purification des gaz d'echappement des moteurs a explosion ou a combustion interne |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2293965A1 FR2293965A1 (fr) | 1976-07-09 |
| FR2293965B1 true FR2293965B1 (US07368563-20080506-C00056.png) | 1980-03-21 |
Family
ID=9146145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7441145A Granted FR2293965A1 (fr) | 1974-12-13 | 1974-12-13 | Purification des gaz d'echappement des moteurs a explosion ou a combustion interne |
Country Status (7)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX4509E (es) * | 1975-08-27 | 1982-06-02 | Engelhard Min & Chem | Composicion catalitica mejorada para oxidar en forma simultanea hidrocarburos gascosos y monoxido de carbono y reducir oxidos de nitrogeno |
| US5078979A (en) * | 1990-07-20 | 1992-01-07 | Uop | Molecular sieve bed/catalyst to treat automotive exhaust |
| US5051244A (en) * | 1990-07-20 | 1991-09-24 | Uop | Use of a molecular sieve bed to minimize emissions during cold start of internal combustion engines |
| GB9407512D0 (en) * | 1994-04-15 | 1994-06-08 | Ici Plc | Catalysts |
| US5736104A (en) * | 1996-03-27 | 1998-04-07 | Motorola Inc. | Transition metal oxide based calorimetric non-methane hydrocarbon sensor and method |
| US6835689B1 (en) * | 2000-10-10 | 2004-12-28 | Corning Incorporated | NH3 generation catalysts for lean-burn and diesel applications |
| BR102016022962B1 (pt) * | 2016-10-03 | 2021-10-26 | Petróleo Brasileiro S.A. - Petrobras | Processo de preparação de um catalisador de ferro-cromo promovido com platina, e, catalisador composto de ferro-cromo promovido com platina |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649706A (en) * | 1969-06-27 | 1972-03-14 | Universal Oil Prod Co | Steam dealkylation process |
| JPS5338714B2 (US07368563-20080506-C00056.png) * | 1971-10-04 | 1978-10-17 | ||
| FR2186290B1 (US07368563-20080506-C00056.png) * | 1972-02-23 | 1974-08-02 | Azote & Prod Chim | |
| DE2214797B2 (de) * | 1972-03-25 | 1975-03-20 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Reinigung von Automobil- und Industrieabgasen |
| DE2214604C3 (de) * | 1972-03-25 | 1975-06-12 | Deutsche Gold- U. Silber-Scheideanstalt, Vormals Roessler, 6000 Frankfurt | Verfahren zur Herstellung verbesserter Abgasreinigungs-Katalysatoren |
| JPS5315473B2 (US07368563-20080506-C00056.png) * | 1973-03-29 | 1978-05-25 |
-
1974
- 1974-12-13 FR FR7441145A patent/FR2293965A1/fr active Granted
-
1975
- 1975-12-09 DE DE19752555368 patent/DE2555368A1/de not_active Ceased
- 1975-12-12 GB GB51086/75A patent/GB1503377A/en not_active Expired
- 1975-12-12 CA CA241,994A patent/CA1062228A/en not_active Expired
- 1975-12-12 US US05/640,280 patent/US4064073A/en not_active Expired - Lifetime
- 1975-12-12 JP JP50147498A patent/JPS5186093A/ja active Pending
- 1975-12-12 IT IT70076/75A patent/IT1051500B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| CA1062228A (en) | 1979-09-11 |
| GB1503377A (en) | 1978-03-08 |
| JPS5186093A (US07368563-20080506-C00056.png) | 1976-07-28 |
| FR2293965A1 (fr) | 1976-07-09 |
| DE2555368A1 (de) | 1976-06-16 |
| IT1051500B (it) | 1981-04-21 |
| US4064073A (en) | 1977-12-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |