DD123928A1 - - Google Patents
Info
- Publication number
- DD123928A1 DD123928A1 DD192685A DD19268576A DD123928A1 DD 123928 A1 DD123928 A1 DD 123928A1 DD 192685 A DD192685 A DD 192685A DD 19268576 A DD19268576 A DD 19268576A DD 123928 A1 DD123928 A1 DD 123928A1
- Authority
- DD
- German Democratic Republic
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS753204A CS196549B1 (en) | 1975-05-07 | 1975-05-07 | Process for selective catalytic reduction of nitrogen oxides from waste gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD123928A1 true DD123928A1 (en) | 1977-01-26 |
Family
ID=5371448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD192685A DD123928A1 (en) | 1975-05-07 | 1976-05-05 |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE841612A (en) |
| CS (1) | CS196549B1 (en) |
| DD (1) | DD123928A1 (en) |
| DE (1) | DE2618510A1 (en) |
| FR (1) | FR2310153A1 (en) |
| IT (1) | IT1059763B (en) |
| NL (1) | NL7604741A (en) |
| NO (1) | NO761370L (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1586530A (en) * | 1977-05-31 | 1981-03-18 | Caterpillar Tractor Co | Two-stage catalysts of engine exhaust |
| US4438082A (en) * | 1982-09-30 | 1984-03-20 | Engelhard Corporation | Platinum gold catalyst for removing NOx and NH3 from gas streams |
| DE3335917C3 (en) * | 1983-10-03 | 1997-03-13 | Wahlco Power Products Inc | Device for regeneratively preheating a stream of combustion air with a hot NO¶x¶-containing flue gas stream and for reducing the NO¶x¶ contained in the flue gases |
-
1975
- 1975-05-07 CS CS753204A patent/CS196549B1/en unknown
-
1976
- 1976-04-22 NO NO761370A patent/NO761370L/no unknown
- 1976-04-27 DE DE19762618510 patent/DE2618510A1/en active Pending
- 1976-05-03 IT IT22929/76A patent/IT1059763B/en active
- 1976-05-04 NL NL7604741A patent/NL7604741A/en unknown
- 1976-05-05 DD DD192685A patent/DD123928A1/xx not_active IP Right Cessation
- 1976-05-06 FR FR7613508A patent/FR2310153A1/en active Granted
- 1976-05-07 BE BE166868A patent/BE841612A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2618510A1 (en) | 1976-11-25 |
| FR2310153B3 (en) | 1979-03-16 |
| IT1059763B (en) | 1982-06-21 |
| FR2310153A1 (en) | 1976-12-03 |
| NL7604741A (en) | 1976-11-09 |
| BE841612A (en) | 1976-09-01 |
| CS196549B1 (en) | 1980-03-31 |
| NO761370L (en) | 1976-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |