DD121917A1 - - Google Patents
Info
- Publication number
- DD121917A1 DD121917A1 DD190103A DD19010375A DD121917A1 DD 121917 A1 DD121917 A1 DD 121917A1 DD 190103 A DD190103 A DD 190103A DD 19010375 A DD19010375 A DD 19010375A DD 121917 A1 DD121917 A1 DD 121917A1
- Authority
- DD
- German Democratic Republic
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
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
-
- 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
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS7400008649A CS179083B1 (en) | 1974-12-17 | 1974-12-17 | Mode of vanadium catalyzer production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD121917A1 true DD121917A1 (xx) | 1976-09-05 |
Family
ID=5437313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD190103A DD121917A1 (xx) | 1974-12-17 | 1975-12-12 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5186091A (xx) |
| AT (1) | AT343610B (xx) |
| CS (1) | CS179083B1 (xx) |
| DD (1) | DD121917A1 (xx) |
| DE (1) | DE2555189A1 (xx) |
| FI (1) | FI753457A (xx) |
| FR (1) | FR2294748A1 (xx) |
| GB (1) | GB1513578A (xx) |
| IT (1) | IT1051083B (xx) |
| NL (1) | NL7514277A (xx) |
| NO (1) | NO753965L (xx) |
| SE (1) | SE7513234L (xx) |
| SU (1) | SU610559A1 (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2749901A1 (de) * | 1976-11-09 | 1978-05-11 | Hitachi Shipbuilding Eng Co | Verfahren zur herstellung von katalysatoren |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2450784A1 (fr) * | 1979-03-05 | 1980-10-03 | Rhone Poulenc Ind | Catalyseur d'elimination des oxydes d'azote contenus dans un courant gazeux |
| US4547487A (en) * | 1983-05-19 | 1985-10-15 | Gulf Research & Development Company | Process for preparing catalysts |
| US4518710A (en) * | 1984-01-25 | 1985-05-21 | Uop Inc. | Catalyst for the reduction of nitrogen oxides in gaseous mixtures and method of making the catalyst |
| DE3674692D1 (de) * | 1985-07-29 | 1990-11-08 | Eka Nobel Ab | Katalysator und verfahren zur entfernung von stickstoffoxyden aus abgasen. |
| SE459903B (sv) * | 1987-03-20 | 1989-08-21 | Eka Nobel Ab | Saett att rena roekgaser fraan kvaeveoxider |
-
1974
- 1974-12-17 CS CS7400008649A patent/CS179083B1/cs unknown
-
1975
- 1975-11-25 SE SE7513234A patent/SE7513234L/xx unknown
- 1975-11-25 NO NO753965A patent/NO753965L/no unknown
- 1975-12-08 FR FR7537406A patent/FR2294748A1/fr not_active Withdrawn
- 1975-12-08 DE DE19752555189 patent/DE2555189A1/de active Pending
- 1975-12-08 NL NL7514277A patent/NL7514277A/xx not_active Application Discontinuation
- 1975-12-09 FI FI753457A patent/FI753457A/fi not_active Application Discontinuation
- 1975-12-11 GB GB50798/75A patent/GB1513578A/en not_active Expired
- 1975-12-12 AT AT945575A patent/AT343610B/de not_active IP Right Cessation
- 1975-12-12 DD DD190103A patent/DD121917A1/xx unknown
- 1975-12-16 IT IT30377/75A patent/IT1051083B/it active
- 1975-12-16 JP JP50149177A patent/JPS5186091A/ja active Pending
- 1975-12-17 SU SU752199206A patent/SU610559A1/ru active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2749901A1 (de) * | 1976-11-09 | 1978-05-11 | Hitachi Shipbuilding Eng Co | Verfahren zur herstellung von katalysatoren |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5186091A (xx) | 1976-07-28 |
| CS179083B1 (en) | 1977-10-31 |
| AT343610B (de) | 1978-06-12 |
| NO753965L (xx) | 1976-06-18 |
| SE7513234L (sv) | 1976-06-18 |
| DE2555189A1 (de) | 1976-07-01 |
| NL7514277A (nl) | 1976-06-21 |
| SU610559A1 (ru) | 1978-06-15 |
| GB1513578A (en) | 1978-06-07 |
| FI753457A (xx) | 1976-06-18 |
| FR2294748A1 (fr) | 1976-07-16 |
| IT1051083B (it) | 1981-04-21 |
| ATA945575A (de) | 1977-10-15 |