JPS5641300B2 - - Google Patents
Info
- Publication number
- JPS5641300B2 JPS5641300B2 JP9656473A JP9656473A JPS5641300B2 JP S5641300 B2 JPS5641300 B2 JP S5641300B2 JP 9656473 A JP9656473 A JP 9656473A JP 9656473 A JP9656473 A JP 9656473A JP S5641300 B2 JPS5641300 B2 JP S5641300B2
- Authority
- JP
- Japan
- 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
- 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
-
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28481072A | 1972-08-30 | 1972-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4959075A JPS4959075A (de) | 1974-06-07 |
| JPS5641300B2 true JPS5641300B2 (de) | 1981-09-28 |
Family
ID=23091610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9656473A Expired JPS5641300B2 (de) | 1972-08-30 | 1973-08-28 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5641300B2 (de) |
| DE (1) | DE2341744C2 (de) |
| FR (1) | FR2197815B1 (de) |
| GB (1) | GB1393053A (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516169A (de) * | 1974-07-05 | 1976-01-19 | Hitachi Ltd | |
| JPS539598B2 (de) * | 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 |
| EP0205813A3 (de) * | 1985-04-22 | 1988-09-21 | Klaus Rennebeck | Katalysator, insbesondere für die Abgasreinigung, Verfahren und Vorrichtung zu seiner Herstellung |
| 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 |
| FR2613253B1 (fr) * | 1987-04-03 | 1989-06-09 | Azote & Prod Chim | Composition catalytique de reduction selective des oxydes d'azote contenus dans des effluents gazeux oxygenes et procede d'epuration desdits effluents |
| FR2622474B2 (fr) * | 1987-04-03 | 1990-01-26 | Azote & Prod Chim | Composition catalytique de reduction selective des oxydes d'azote contenus dans des effluents gazeux oxygenes et procede d'epuration desdits effluents |
| FR2625919B1 (fr) * | 1988-01-19 | 1994-02-11 | Institut Francais Petrole | Procede et catalyseur pour la reduction selective des oxydes d'azote |
| 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 |
| JP5886042B2 (ja) * | 2008-05-07 | 2016-03-16 | ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフトＵｍｉｃｏｒｅ ＡＧ ＆ Ｃｏ．ＫＧ | 分子ふるいをベースとするｓｃｒ触媒の使用下での炭化水素を含有する排気ガス中の窒素酸化物を減少する方法 |
| EP3473825A1 (de) | 2008-06-27 | 2019-04-24 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2341744C2 (de) | 1983-07-14 |
| FR2197815B1 (de) | 1978-01-27 |
| GB1393053A (en) | 1975-05-07 |
| FR2197815A1 (de) | 1974-03-29 |
| DE2341744A1 (de) | 1974-03-07 |
| JPS4959075A (de) | 1974-06-07 |