FR2413128B1 - - Google Patents
Info
- Publication number
- FR2413128B1 FR2413128B1 FR7739422A FR7739422A FR2413128B1 FR 2413128 B1 FR2413128 B1 FR 2413128B1 FR 7739422 A FR7739422 A FR 7739422A FR 7739422 A FR7739422 A FR 7739422A FR 2413128 B1 FR2413128 B1 FR 2413128B1
- 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
- B01J23/70—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
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7739422A FR2413128A1 (fr) | 1977-12-28 | 1977-12-28 | Composition catalytique utilisee notamment dans l'epuration des effluents gazeux pollues par des oxydes d'azote |
US05/973,626 US4228039A (en) | 1977-12-28 | 1978-12-27 | Catalytic composition used in purifying gaseous effluents polluted by nitrogen oxides and process for preparing the composition |
JP16128178A JPS54100995A (en) | 1977-12-28 | 1978-12-28 | Catalyst composition and manufacture for purifying nitrogen oxide polluted flowwout gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7739422A FR2413128A1 (fr) | 1977-12-28 | 1977-12-28 | Composition catalytique utilisee notamment dans l'epuration des effluents gazeux pollues par des oxydes d'azote |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2413128A1 FR2413128A1 (fr) | 1979-07-27 |
FR2413128B1 true FR2413128B1 (fr) | 1981-12-04 |
Family
ID=9199421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7739422A Granted FR2413128A1 (fr) | 1977-12-28 | 1977-12-28 | Composition catalytique utilisee notamment dans l'epuration des effluents gazeux pollues par des oxydes d'azote |
Country Status (3)
Country | Link |
---|---|
US (1) | US4228039A (fr) |
JP (1) | JPS54100995A (fr) |
FR (1) | FR2413128A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4868150A (en) * | 1987-12-22 | 1989-09-19 | Rhone-Poulenc Inc. | Catalyst support material containing lanthanides |
US6069111A (en) * | 1995-06-02 | 2000-05-30 | Nissan Motor Co., Ltd. | Catalysts for the purification of exhaust gas and method of manufacturing thereof |
US20040024071A1 (en) * | 2002-08-01 | 2004-02-05 | Meier Paul F. | Perovskite compositions and method of making and process of using such compositions |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4029738A (en) * | 1971-12-02 | 1977-06-14 | Societe Francaise Des Produits Pour Catalyse | Decomposing nitrogen oxides with nickel-iron-chromium catalysts |
US3857921A (en) * | 1972-09-27 | 1974-12-31 | Asahi Chemical Ind | Method for eliminating nitrogen oxides and catalyst composition for use in practicing said method |
JPS506590A (fr) * | 1973-05-21 | 1975-01-23 | ||
JPS5220197B2 (fr) * | 1973-10-29 | 1977-06-01 | ||
JPS5085565A (fr) * | 1973-12-05 | 1975-07-10 | ||
JPS50126570A (fr) * | 1974-03-26 | 1975-10-04 | ||
US3995357A (en) * | 1974-12-16 | 1976-12-07 | Caterpillar Tractor Co. | Integrally cast bearing, method and apparatus for making same |
FR2299909A1 (fr) * | 1975-02-04 | 1976-09-03 | Azote & Prod Chim | Epuration des effluents gazeux contenant des oxydes d'azote |
JPS52123371A (en) * | 1976-04-09 | 1977-10-17 | Mitsubishi Chem Ind Ltd | Decomposition of nitrogen oxides by catalytic reduction |
-
1977
- 1977-12-28 FR FR7739422A patent/FR2413128A1/fr active Granted
-
1978
- 1978-12-27 US US05/973,626 patent/US4228039A/en not_active Expired - Lifetime
- 1978-12-28 JP JP16128178A patent/JPS54100995A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
US4228039A (en) | 1980-10-14 |
JPS54100995A (en) | 1979-08-09 |
JPS6219895B2 (fr) | 1987-05-01 |
FR2413128A1 (fr) | 1979-07-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |