FR2322651B1 - - Google Patents
Info
- Publication number
- FR2322651B1 FR2322651B1 FR7623509A FR7623509A FR2322651B1 FR 2322651 B1 FR2322651 B1 FR 2322651B1 FR 7623509 A FR7623509 A FR 7623509A FR 7623509 A FR7623509 A FR 7623509A FR 2322651 B1 FR2322651 B1 FR 2322651B1
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—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
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
-
- 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
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/847—Vanadium, niobium or tantalum or polonium
- B01J23/8474—Niobium
-
- 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
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50108179A JPS6052856B2 (ja) | 1975-09-05 | 1975-09-05 | 固定燃焼装置よりの排ガス中に含まれる窒素酸化物の除去法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2322651A1 FR2322651A1 (fr) | 1977-04-01 |
| FR2322651B1 true FR2322651B1 (US06420036-20020716-C00037.png) | 1980-05-23 |
Family
ID=14477985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7623509A Granted FR2322651A1 (fr) | 1975-09-05 | 1976-07-30 | Catalyseur pour la reduction des oxydes d'azote et son application a la purification des gaz d'echappement |
Country Status (6)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6479428B1 (en) * | 1998-07-27 | 2002-11-12 | Battelle Memorial Institute | Long life hydrocarbon conversion catalyst and method of making |
| JP7041062B2 (ja) * | 2015-12-22 | 2022-03-23 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 触媒床、及び酸化窒素を減少させるための方法 |
| JP6929288B2 (ja) * | 2015-12-22 | 2021-09-01 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 触媒床、及び酸化窒素を減少させるための方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53382B2 (US06420036-20020716-C00037.png) * | 1972-02-25 | 1978-01-07 | ||
| US3849342A (en) * | 1972-11-29 | 1974-11-19 | Texas Instruments Inc | Catalysts for conversion of nitrogen oxide pollutants in automotive exhaust gases |
| JPS5523086B2 (US06420036-20020716-C00037.png) * | 1973-03-26 | 1980-06-20 | ||
| JPS5013590A (US06420036-20020716-C00037.png) * | 1973-06-14 | 1975-02-13 | ||
| JPS5417033B2 (US06420036-20020716-C00037.png) * | 1973-06-14 | 1979-06-27 | ||
| GB1488044A (en) * | 1973-10-23 | 1977-10-05 | Union Carbide Corp | Catalyst with mo,v,nb and process for preparing unsaturated acids |
-
1975
- 1975-09-05 JP JP50108179A patent/JPS6052856B2/ja not_active Expired
-
1976
- 1976-07-29 IT IT2583976A patent/IT1064688B/it active
- 1976-07-30 FR FR7623509A patent/FR2322651A1/fr active Granted
- 1976-07-30 DE DE19762634279 patent/DE2634279C2/de not_active Expired
- 1976-07-30 CA CA258,141A patent/CA1090097A/en not_active Expired
- 1976-07-30 GB GB3182076A patent/GB1557044A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5231971A (en) | 1977-03-10 |
| CA1090097A (en) | 1980-11-25 |
| DE2634279A1 (de) | 1977-03-10 |
| FR2322651A1 (fr) | 1977-04-01 |
| IT1064688B (it) | 1985-02-25 |
| DE2634279C2 (de) | 1982-12-30 |
| GB1557044A (en) | 1979-12-05 |
| JPS6052856B2 (ja) | 1985-11-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |