FR2220296B1 - - Google Patents
Info
- Publication number
- FR2220296B1 FR2220296B1 FR7407453A FR7407453A FR2220296B1 FR 2220296 B1 FR2220296 B1 FR 2220296B1 FR 7407453 A FR7407453 A FR 7407453A FR 7407453 A FR7407453 A FR 7407453A FR 2220296 B1 FR2220296 B1 FR 2220296B1
- 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
- B01J23/30—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
- B01D53/92—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
- B01J23/16—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
- B01J23/28—Molybdenum
-
- 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
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
-
- 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
- B01D2255/20769—Molybdenum
-
- 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
- B01D2255/20776—Tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48026759A JPS49114573A (it) | 1973-03-06 | 1973-03-06 | |
JP10566073A JPS5328019B2 (it) | 1973-09-18 | 1973-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2220296A1 FR2220296A1 (it) | 1974-10-04 |
FR2220296B1 true FR2220296B1 (it) | 1978-01-06 |
Family
ID=26364581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7407453A Expired FR2220296B1 (it) | 1973-03-06 | 1974-03-05 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2410715B2 (it) |
FR (1) | FR2220296B1 (it) |
GB (1) | GB1451290A (it) |
IT (1) | IT1009216B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5915022B2 (ja) * | 1976-03-26 | 1984-04-07 | 株式会社日立製作所 | 排ガス中の窒素酸化物除去用触媒 |
DE102014113786A1 (de) * | 2014-09-24 | 2016-03-24 | Umicore Ag & Co. Kg | Verfahren zur Herstellung eines Wolfram-haltigen Katalysators |
DE102014113784A1 (de) * | 2014-09-24 | 2016-03-24 | Umicore Ag & Co. Kg | Verfahren zur Herstellung eines Vanadium-haltigen Katalysators |
-
1974
- 1974-03-05 GB GB988174A patent/GB1451290A/en not_active Expired
- 1974-03-05 FR FR7407453A patent/FR2220296B1/fr not_active Expired
- 1974-03-06 DE DE19742410715 patent/DE2410715B2/de not_active Withdrawn
- 1974-03-06 IT IT6759774A patent/IT1009216B/it active
Also Published As
Publication number | Publication date |
---|---|
GB1451290A (en) | 1976-09-29 |
DE2410715B2 (de) | 1980-02-28 |
FR2220296A1 (it) | 1974-10-04 |
DE2410715A1 (de) | 1974-09-12 |
IT1009216B (it) | 1976-12-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |