FR2257324A1 - Catalyst for selective redn of nitrogen oxides - contg copper and alkali(ne earth) or transition metal on alumina carrier - Google Patents
Catalyst for selective redn of nitrogen oxides - contg copper and alkali(ne earth) or transition metal on alumina carrierInfo
- Publication number
- FR2257324A1 FR2257324A1 FR7425408A FR7425408A FR2257324A1 FR 2257324 A1 FR2257324 A1 FR 2257324A1 FR 7425408 A FR7425408 A FR 7425408A FR 7425408 A FR7425408 A FR 7425408A FR 2257324 A1 FR2257324 A1 FR 2257324A1
- Authority
- FR
- France
- Prior art keywords
- esp
- alkali
- catalyst
- transition metal
- contg
- 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.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title abstract 5
- 239000003513 alkali Substances 0.000 title abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 4
- 229910052723 transition metal Inorganic materials 0.000 title abstract 3
- 150000003624 transition metals Chemical class 0.000 title abstract 3
- 229910052802 copper Inorganic materials 0.000 title abstract 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title 1
- 239000010949 copper Substances 0.000 title 1
- 229910052593 corundum Inorganic materials 0.000 abstract 3
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 3
- 229910052783 alkali metal Inorganic materials 0.000 abstract 2
- 150000001340 alkali metals Chemical class 0.000 abstract 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 2
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 2
- 229910052777 Praseodymium Inorganic materials 0.000 abstract 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 abstract 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 238000005470 impregnation Methods 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000004898 kneading Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910000510 noble metal Inorganic materials 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 231100000572 poisoning Toxicity 0.000 abstract 1
- 230000000607 poisoning effect Effects 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 229910052707 ruthenium Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910000314 transition metal oxide Inorganic materials 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 abstract 1
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
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- 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
- B01J23/74—Iron group metals
-
- 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
- B01J23/78—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 alkali- or alkaline earth metals
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2047—Magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20784—Chromium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10977473A JPS5621450B2 (enrdf_load_stackoverflow) | 1973-09-29 | 1973-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2257324A1 true FR2257324A1 (en) | 1975-08-08 |
| FR2257324B1 FR2257324B1 (enrdf_load_stackoverflow) | 1980-10-31 |
Family
ID=14518875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7425408A Granted FR2257324A1 (en) | 1973-09-29 | 1974-07-22 | Catalyst for selective redn of nitrogen oxides - contg copper and alkali(ne earth) or transition metal on alumina carrier |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5621450B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2402094C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2257324A1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4428863A (en) | 1982-07-06 | 1984-01-31 | The Dow Chemical Company | Alumina compositions of improved strength useful as catalyst supports |
| DE3430887C2 (de) * | 1984-08-22 | 1987-02-05 | Didier-Werke Ag, 6200 Wiesbaden | Verfahren zur Reaktivierung eines Katalysators |
| EP0362960A3 (en) * | 1988-10-05 | 1990-06-27 | Sakai Chemical Industry Co., Ltd., | Use of a catalyst composition for denitrization and denitrizing catalysts |
| DE102018128152A1 (de) * | 2018-11-12 | 2020-05-14 | Man Energy Solutions Se | Verfahren zur Nachbehandlung des Abgases einer Brennkraftmaschine und Brennkraftmaschine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1036510A (en) * | 1964-06-05 | 1966-07-20 | Grace W R & Co | Catalytic treatment of exhaust gases |
| US3449063A (en) * | 1966-05-13 | 1969-06-10 | Ethyl Corp | Method of controlling exhaust emission |
| CA1007830A (en) * | 1972-09-01 | 1977-04-05 | Albert B. Welty (Jr.) | Removal of nitrogen oxides from flue gas |
-
1973
- 1973-09-29 JP JP10977473A patent/JPS5621450B2/ja not_active Expired
-
1974
- 1974-01-17 DE DE2402094A patent/DE2402094C3/de not_active Expired
- 1974-07-22 FR FR7425408A patent/FR2257324A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2402094C3 (de) | 1981-12-03 |
| DE2402094A1 (de) | 1975-04-17 |
| DE2402094B2 (de) | 1980-06-12 |
| JPS5060465A (enrdf_load_stackoverflow) | 1975-05-24 |
| FR2257324B1 (enrdf_load_stackoverflow) | 1980-10-31 |
| JPS5621450B2 (enrdf_load_stackoverflow) | 1981-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |