FR2211281B1 - - Google Patents
Info
- Publication number
- FR2211281B1 FR2211281B1 FR7344945A FR7344945A FR2211281B1 FR 2211281 B1 FR2211281 B1 FR 2211281B1 FR 7344945 A FR7344945 A FR 7344945A FR 7344945 A FR7344945 A FR 7344945A FR 2211281 B1 FR2211281 B1 FR 2211281B1
- 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
- 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
-
- 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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes 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
- B01J23/56—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
- 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
- B01J23/58—Platinum group metals with alkali- or alkaline earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1026—Ruthenium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2042—Barium
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 |
---|---|---|---|
US00318339A US3819536A (en) | 1972-12-26 | 1972-12-26 | Process for preparing a catalyst based on ruthenium |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2211281A1 FR2211281A1 (fr) | 1974-07-19 |
FR2211281B1 true FR2211281B1 (fr) | 1976-06-25 |
Family
ID=23237762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7344945A Expired FR2211281B1 (fr) | 1972-12-26 | 1973-12-14 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3819536A (fr) |
JP (1) | JPS5127636B2 (fr) |
CA (1) | CA1018145A (fr) |
DE (1) | DE2362922C3 (fr) |
FR (1) | FR2211281B1 (fr) |
GB (1) | GB1451087A (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3907968A (en) * | 1972-12-29 | 1975-09-23 | Gulf Research Development Co | Process for reducing the content of nitrogen oxides in a gaseous mixture containing the same |
DE2306395C3 (de) * | 1973-02-09 | 1978-08-10 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Trägerkatalysator |
US3972837A (en) * | 1973-07-03 | 1976-08-03 | Johnson Matthey & Co., Limited | Catalyst for purifying automotive exhaust gases |
FR2241339A1 (en) * | 1973-07-03 | 1975-03-21 | Johnson Matthey Co Ltd | Single catalysts for exhaust gas purifcn - contg. ruthenium metal or oxide and gp. IIA metal oxide on inert carrier |
US3980589A (en) * | 1975-06-03 | 1976-09-14 | Exxon Research And Engineering Company | Method for preparing a catalyst comprising ruthenium supported on a group IIA oxide |
FR2354813A1 (fr) * | 1976-06-17 | 1978-01-13 | Commissariat Energie Atomique | Catalyseur d'oxydo-reduction pour le traitement des gaz de combustion et son procede de fabrication |
US4092265A (en) * | 1976-09-28 | 1978-05-30 | Exxon Research & Engineering Co. | Process for preventing ecological contamination due to radioactive ruthenium, molybdenum or technetium |
US4438219A (en) | 1981-10-28 | 1984-03-20 | Texaco Inc. | Alumina catalyst stable at high temperatures |
GB2142253A (en) * | 1983-06-27 | 1985-01-16 | Johnson Matthey Plc | Exhaust gas purification catalysts |
US5002921A (en) * | 1987-10-30 | 1991-03-26 | Nkk Corporation | Catalyzer for decomposing ammonia |
YU47516B (sh) * | 1990-06-21 | 1995-10-03 | Ihtm-Oour Institut Za Katalizu I Hemijsko Inženjerstvo, Rj Kataliza | Perovskitni materijali, katalizatori i postupak dobijanja perovskita |
US7749474B2 (en) * | 2004-08-12 | 2010-07-06 | Ford Global Technologies, Llc | Catalyst composition for use in a lean NOx trap and method of using |
US7622095B2 (en) * | 2004-08-12 | 2009-11-24 | Ford Global Technologies, Llc | Catalyst composition for use in a lean NOx trap and method of using |
US20060035782A1 (en) * | 2004-08-12 | 2006-02-16 | Ford Global Technologies, Llc | PROCESSING METHODS AND FORMULATIONS TO ENHANCE STABILITY OF LEAN-NOx-TRAP CATALYSTS BASED ON ALKALI- AND ALKALINE-EARTH-METAL COMPOUNDS |
US7811961B2 (en) * | 2004-08-12 | 2010-10-12 | Ford Global Technologies, Llc | Methods and formulations for enhancing NH3 adsorption capacity of selective catalytic reduction catalysts |
US20090263300A1 (en) * | 2008-04-16 | 2009-10-22 | Yang Xiaolin D | Stabilized Iridium and Ruthenium Catalysts |
US20090264283A1 (en) * | 2008-04-16 | 2009-10-22 | Basf Catalysts Llc | Stabilized Iridium and Ruthenium Catalysts |
EP4324555A1 (fr) * | 2022-08-17 | 2024-02-21 | Heraeus Precious Metals GmbH & Co. KG | Composition catalytiquement active contenant du ruthénium pour catalyseurs de post-traitement de gaz d'échappement |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3055840A (en) * | 1958-01-13 | 1962-09-25 | Engelhard Ind Inc | Ruthenium-containing catalysts and methods of making said catalysts and increasing their activity |
US3155724A (en) * | 1961-12-29 | 1964-11-03 | Du Pont | Process for bringing stereoisomeric mixture of bis-(4-aminocyclohexane) methane close to the equilibrium concentration |
FR2036832A1 (fr) * | 1969-04-04 | 1970-12-31 | Inst Francais Du Petrole |
-
1972
- 1972-12-26 US US00318339A patent/US3819536A/en not_active Expired - Lifetime
-
1973
- 1973-09-18 CA CA181,370A patent/CA1018145A/en not_active Expired
- 1973-12-10 GB GB5711673A patent/GB1451087A/en not_active Expired
- 1973-12-14 FR FR7344945A patent/FR2211281B1/fr not_active Expired
- 1973-12-18 DE DE2362922A patent/DE2362922C3/de not_active Expired
- 1973-12-20 JP JP48141939A patent/JPS5127636B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2362922B2 (de) | 1977-11-17 |
CA1018145A (en) | 1977-09-27 |
FR2211281A1 (fr) | 1974-07-19 |
GB1451087A (en) | 1976-09-29 |
JPS4991094A (fr) | 1974-08-30 |
DE2362922C3 (de) | 1978-08-03 |
JPS5127636B2 (fr) | 1976-08-13 |
US3819536A (en) | 1974-06-25 |
DE2362922A1 (de) | 1974-07-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
DL | Decision of the director general to leave to make available licences of right | ||
ST | Notification of lapse |