CA1091899A - Procede d'extraction d'oxydes d'azote dans des gaz de combustion contenant des oxydes d'azote - Google Patents
Procede d'extraction d'oxydes d'azote dans des gaz de combustion contenant des oxydes d'azoteInfo
- Publication number
- CA1091899A CA1091899A CA304,764A CA304764A CA1091899A CA 1091899 A CA1091899 A CA 1091899A CA 304764 A CA304764 A CA 304764A CA 1091899 A CA1091899 A CA 1091899A
- Authority
- CA
- Canada
- Prior art keywords
- catalyst
- nitrogen oxides
- exhaust gas
- manganese
- removal
- Prior art date
- 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
- 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
- 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
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP67584/1977 | 1977-06-08 | ||
JP52067584A JPS5920383B2 (ja) | 1977-06-08 | 1977-06-08 | 低温で活性の高いNOx還元用触媒 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1091899A true CA1091899A (fr) | 1980-12-23 |
Family
ID=13349104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA304,764A Expired CA1091899A (fr) | 1977-06-08 | 1978-06-05 | Procede d'extraction d'oxydes d'azote dans des gaz de combustion contenant des oxydes d'azote |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5920383B2 (fr) |
CA (1) | CA1091899A (fr) |
DE (1) | DE2824246A1 (fr) |
FR (1) | FR2393602A1 (fr) |
GB (1) | GB1599079A (fr) |
NL (1) | NL7806130A (fr) |
PL (1) | PL207401A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5790159A (en) * | 1980-11-27 | 1982-06-04 | Toa Medical Electronics Co Ltd | Blood analyzer |
DE3634553A1 (de) * | 1986-10-10 | 1988-04-21 | Didier Werke Ag | Verwendung von manganknollen oder manganhaltigen tiefsee-erzen in katalysatoren zur verminderung von stickstoffoxiden in abgasen |
DE69204291T2 (de) * | 1991-07-29 | 1996-04-11 | British Tech Group | Katalysator und Katalytische Reduktion. |
WO1993002776A1 (fr) * | 1991-07-29 | 1993-02-18 | British Technology Group Ltd. | Catalyseur et reduction catalytique |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1253685B (de) * | 1963-01-22 | 1967-11-09 | Degussa | Verfahren zur Entfernung von Stickstoffoxyden aus stickstoffoxydhaltigen Abgasen |
BE789846A (fr) * | 1971-10-08 | 1973-02-01 | Du Pont | Procede de purification de courants gazeux contenant des impuretes soufrees |
US4003854A (en) * | 1974-06-03 | 1977-01-18 | Gennady Alexeevich Skvortsov | Catalyst of supported vanadium oxide and manganese oxide and method of producing same |
-
1977
- 1977-06-08 JP JP52067584A patent/JPS5920383B2/ja not_active Expired
-
1978
- 1978-05-31 GB GB2518578A patent/GB1599079A/en not_active Expired
- 1978-06-02 DE DE19782824246 patent/DE2824246A1/de active Pending
- 1978-06-05 CA CA304,764A patent/CA1091899A/fr not_active Expired
- 1978-06-06 PL PL20740178A patent/PL207401A1/xx unknown
- 1978-06-06 NL NL7806130A patent/NL7806130A/xx not_active Application Discontinuation
- 1978-06-07 FR FR787816995A patent/FR2393602A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS5920383B2 (ja) | 1984-05-12 |
NL7806130A (nl) | 1978-12-12 |
DE2824246A1 (de) | 1978-12-14 |
GB1599079A (en) | 1981-09-30 |
FR2393602A1 (fr) | 1979-01-05 |
PL207401A1 (pl) | 1979-03-12 |
JPS542289A (en) | 1979-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |