FR2197815A1 - - Google Patents
Info
- Publication number
- FR2197815A1 FR2197815A1 FR7331280A FR7331280A FR2197815A1 FR 2197815 A1 FR2197815 A1 FR 2197815A1 FR 7331280 A FR7331280 A FR 7331280A FR 7331280 A FR7331280 A FR 7331280A FR 2197815 A1 FR2197815 A1 FR 2197815A1
- 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.)
- Granted
Links
Classifications
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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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
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- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
-
- 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
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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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/082—X-type faujasite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/02—Preparation of nitrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28481072A | 1972-08-30 | 1972-08-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2197815A1 true FR2197815A1 (me) | 1974-03-29 |
FR2197815B1 FR2197815B1 (me) | 1978-01-27 |
Family
ID=23091610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7331280A Expired FR2197815B1 (me) | 1972-08-30 | 1973-08-29 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5641300B2 (me) |
DE (1) | DE2341744C2 (me) |
FR (1) | FR2197815B1 (me) |
GB (1) | GB1393053A (me) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0205813A2 (de) * | 1985-04-22 | 1986-12-30 | Klaus Rennebeck | Katalysator, insbesondere für die Abgasreinigung, Verfahren und Vorrichtung zu seiner Herstellung |
FR2613253A1 (fr) * | 1987-04-03 | 1988-10-07 | Azote & Prod Chim | Composition catalytique de reduction selective des oxydes d'azote contenus dans des effluents gazeux oxygenes et procede d'epuration desdits effluents |
EP0286507A1 (fr) * | 1987-04-03 | 1988-10-12 | Societe Chimique De La Grande Paroisse | Procédé d'épuration des effluents gazeux oxygénées par un réduction sélective des oxydes d'azote |
FR2625919A1 (fr) * | 1988-01-19 | 1989-07-21 | Inst Francais Du Petrole | Procede et catalyseur pour la reduction selective des oxydes d'azote |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS516169A (me) * | 1974-07-05 | 1976-01-19 | Hitachi Ltd | |
JPS539598B2 (me) * | 1974-09-10 | 1978-04-06 | ||
US4104361A (en) * | 1975-03-28 | 1978-08-01 | Exxon Research & Engineering Co. | Catalyst for reduction of nitrogen oxides and process for preparing the same |
JPS5242489A (en) * | 1976-05-20 | 1977-04-02 | Toa Nenryo Kogyo Kk | Nox-reduction catalyst and method of producing thereof |
GB1586530A (en) * | 1977-05-31 | 1981-03-18 | Caterpillar Tractor Co | Two-stage catalysts of engine exhaust |
GB2039863B (en) * | 1979-01-12 | 1982-11-24 | Norton Co | Catalytic reduction of oxides of nitrogen by ammonia in presence of clinoptilolite |
DE3244370A1 (de) * | 1982-12-01 | 1984-06-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zur entfernung von distickstoffoxid aus wasserstoff, stickstoffmonoxid und distickstoffoxid enthaltenden gasen |
DE3328653A1 (de) * | 1983-08-09 | 1985-02-28 | Steuler Industriewerke GmbH, 5410 Höhr-Grenzhausen | Vorrichtung zur durchfuehrung eines verfahrens zur ausscheidung von stickoxyden aus abgasen |
GB2162830B (en) * | 1984-08-10 | 1988-08-10 | Babcock Hitachi Kk | Ammonia reduction-denitration process and apparatus therefor |
DE3674692D1 (de) * | 1985-07-29 | 1990-11-08 | Eka Nobel Ab | Katalysator und verfahren zur entfernung von stickstoffoxyden aus abgasen. |
DE3704030A1 (de) * | 1987-02-10 | 1988-08-18 | Ruhrgas Ag | Verfahren zum abscheiden von stickstoffoxiden aus abgasen durch selektive katalytische reduktion |
JPH01299642A (ja) * | 1988-05-30 | 1989-12-04 | Hitachi Zosen Corp | 低濃度窒素酸化物の吸着除去剤 |
DE4300988C1 (de) * | 1993-01-15 | 1994-04-07 | Ppv Verwaltungs Ag Zuerich | Vorrichtung zur Sauerstoffanreicherung von Luft |
EP2918330B1 (de) * | 2008-05-07 | 2017-03-15 | Umicore Ag & Co. Kg | Verfahren zur verminderung von stickoxiden in kohlenwasserstoff-haltigen abgasen unter verwendung eines scr-katalysators auf basis eines molekularsiebes |
EP2138681B1 (de) | 2008-06-27 | 2019-03-27 | Umicore AG & Co. KG | Verfahren und Vorrichtung zur Reinigung von Dieselabgasen |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3015369A (en) * | 1960-05-23 | 1962-01-02 | Socony Mobil Oil Co Inc | Removal of nitrogen oxides from combustion gases |
-
1973
- 1973-07-23 GB GB3497073A patent/GB1393053A/en not_active Expired
- 1973-08-17 DE DE19732341744 patent/DE2341744C2/de not_active Expired
- 1973-08-28 JP JP9656473A patent/JPS5641300B2/ja not_active Expired
- 1973-08-29 FR FR7331280A patent/FR2197815B1/fr not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3015369A (en) * | 1960-05-23 | 1962-01-02 | Socony Mobil Oil Co Inc | Removal of nitrogen oxides from combustion gases |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0205813A2 (de) * | 1985-04-22 | 1986-12-30 | Klaus Rennebeck | Katalysator, insbesondere für die Abgasreinigung, Verfahren und Vorrichtung zu seiner Herstellung |
EP0205813A3 (de) * | 1985-04-22 | 1988-09-21 | Klaus Rennebeck | Katalysator, insbesondere für die Abgasreinigung, Verfahren und Vorrichtung zu seiner Herstellung |
FR2613253A1 (fr) * | 1987-04-03 | 1988-10-07 | Azote & Prod Chim | Composition catalytique de reduction selective des oxydes d'azote contenus dans des effluents gazeux oxygenes et procede d'epuration desdits effluents |
EP0286507A1 (fr) * | 1987-04-03 | 1988-10-12 | Societe Chimique De La Grande Paroisse | Procédé d'épuration des effluents gazeux oxygénées par un réduction sélective des oxydes d'azote |
FR2622474A2 (fr) * | 1987-04-03 | 1989-05-05 | Azote & Prod Chim | Composition catalytique de reduction selective des oxydes d'azote contenus dans des effluents gazeux oxygenes et procede d'epuration desdits effluents |
US4910004A (en) * | 1987-04-03 | 1990-03-20 | Azote et Societe Chimique de la Grande Paroisse, Produits Chemiques | Process for selective reduction of nitrogen oxides contained in oxygenated gaseous effluents |
FR2625919A1 (fr) * | 1988-01-19 | 1989-07-21 | Inst Francais Du Petrole | Procede et catalyseur pour la reduction selective des oxydes d'azote |
EP0325511A1 (fr) * | 1988-01-19 | 1989-07-26 | Institut Français du Pétrole | Procédé et catalyseur pour la réduction sélective des oxydes d'azote |
US5059569A (en) * | 1988-01-19 | 1991-10-22 | Institut Francais Du Petrole | Process and catalyst for selective reduction of nitrogen oxides |
Also Published As
Publication number | Publication date |
---|---|
DE2341744C2 (de) | 1983-07-14 |
FR2197815B1 (me) | 1978-01-27 |
GB1393053A (en) | 1975-05-07 |
JPS4959075A (me) | 1974-06-07 |
DE2341744A1 (de) | 1974-03-07 |
JPS5641300B2 (me) | 1981-09-28 |