CH641057A5 - Method for removing nitrogen oxides and sulphur oxides from furnace off-gases - Google Patents
Method for removing nitrogen oxides and sulphur oxides from furnace off-gases Download PDFInfo
- Publication number
- CH641057A5 CH641057A5 CH944579A CH944579A CH641057A5 CH 641057 A5 CH641057 A5 CH 641057A5 CH 944579 A CH944579 A CH 944579A CH 944579 A CH944579 A CH 944579A CH 641057 A5 CH641057 A5 CH 641057A5
- Authority
- CH
- Switzerland
- Prior art keywords
- ammonia
- nitrogen
- oxides
- nitrogen oxide
- equilibrium
- Prior art date
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims 55
- 238000000034 method Methods 0.000 title claims 25
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 title claims 10
- 239000007789 gas Substances 0.000 title claims 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 52
- 229910021529 ammonia Inorganic materials 0.000 claims 26
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims 17
- 238000006243 chemical reaction Methods 0.000 claims 12
- 239000003546 flue gas Substances 0.000 claims 9
- 229910052815 sulfur oxide Inorganic materials 0.000 claims 7
- 238000006477 desulfuration reaction Methods 0.000 claims 5
- 230000023556 desulfurization Effects 0.000 claims 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 4
- 239000003054 catalyst Substances 0.000 claims 2
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 claims 2
- 229910052757 nitrogen Inorganic materials 0.000 claims 2
- 239000001272 nitrous oxide Substances 0.000 claims 2
- 239000000376 reactant Substances 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000012670 alkaline solution Substances 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 claims 1
- 238000010531 catalytic reduction reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000003912 environmental pollution Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
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
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2852336A DE2852336C2 (de) | 1978-12-04 | 1978-12-04 | Verfahren zur Abscheidung von NO↓x↓ und SO↓x↓ aus Feuerungsabgasen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH641057A5 true CH641057A5 (en) | 1984-02-15 |
Family
ID=6056242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH944579A CH641057A5 (en) | 1978-12-04 | 1979-10-22 | Method for removing nitrogen oxides and sulphur oxides from furnace off-gases |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5581729A (cs) |
| AT (1) | AT376584B (cs) |
| CH (1) | CH641057A5 (cs) |
| CS (1) | CS222289B2 (cs) |
| DE (1) | DE2852336C2 (cs) |
| DK (1) | DK512679A (cs) |
| FR (1) | FR2443274B1 (cs) |
| NL (1) | NL7908531A (cs) |
| PL (1) | PL123282B1 (cs) |
| SE (1) | SE441150B (cs) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT382089B (de) * | 1985-04-05 | 1987-01-12 | Waagner Biro Ag | Verfahren und einrichtung zur reinigung von mit staeuben und schadgasen verunreinigten abgasen |
| AT384958B (de) * | 1985-05-28 | 1988-02-10 | Waagner Biro Ag | Verfahren und einrichtung zur reinigung von mit staeuben und schadgasen verunreinigten abgasen |
| DE3610942A1 (de) * | 1985-11-26 | 1987-08-13 | Lothar Dipl Ing Mueller | Verfahren zur simultanen schadstoffbeseitigung aus rauchgasen und reaktor zur durchfuehrung des verfahrens |
| US4853193A (en) * | 1986-01-10 | 1989-08-01 | Exxon Research And Engineering Company | Process for removing NOx and SOx from a gaseous mixture |
| NO904892L (no) * | 1990-11-12 | 1992-05-13 | Miljoeutvikling As | Apparat og framgangsmaate for rensing av eksos med hensyn til so2, nox og stoev. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1438119A (en) * | 1972-09-01 | 1976-06-03 | Exxon Research Engineering Co | Removal of nitrogen oxides and sulphur oxides from gases |
| JPS5636971B2 (cs) * | 1974-05-08 | 1981-08-27 | ||
| DE2431130C3 (de) * | 1974-06-28 | 1979-07-26 | Maschinenfabrik Burkau R. Wolf Kg, 4048 Grevenbroich | Verfahren zur Entfernung von sauren Komponenten aus Abgasen |
| FR2299071A1 (fr) * | 1974-07-20 | 1976-08-27 | Mitsubishi Chem Ind | Procede d'elimination chimique des oxydes d'azote et des oxydes de soufre |
| JPS535984B2 (cs) * | 1974-09-04 | 1978-03-03 | ||
| FR2368987A1 (fr) * | 1976-11-01 | 1978-05-26 | Mitsubishi Chem Ind | Reduction catalytique des oxydes d'azote |
-
1978
- 1978-12-04 DE DE2852336A patent/DE2852336C2/de not_active Expired
-
1979
- 1979-10-22 CH CH944579A patent/CH641057A5/de not_active IP Right Cessation
- 1979-10-23 FR FR7926268A patent/FR2443274B1/fr not_active Expired
- 1979-10-29 AT AT0699379A patent/AT376584B/de active
- 1979-11-23 NL NL7908531A patent/NL7908531A/nl not_active Application Discontinuation
- 1979-11-26 SE SE7909735A patent/SE441150B/sv not_active IP Right Cessation
- 1979-12-03 PL PL1979220110A patent/PL123282B1/pl unknown
- 1979-12-03 DK DK512679A patent/DK512679A/da not_active Application Discontinuation
- 1979-12-03 CS CS798354A patent/CS222289B2/cs unknown
- 1979-12-04 JP JP15644979A patent/JPS5581729A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ATA699379A (de) | 1984-05-15 |
| DE2852336C2 (de) | 1986-10-16 |
| DE2852336A1 (de) | 1980-06-26 |
| NL7908531A (nl) | 1980-06-06 |
| JPS5581729A (en) | 1980-06-20 |
| FR2443274A1 (fr) | 1980-07-04 |
| CS222289B2 (en) | 1983-06-24 |
| PL220110A1 (cs) | 1980-09-22 |
| FR2443274B1 (fr) | 1987-01-23 |
| SE7909735L (sv) | 1980-06-05 |
| AT376584B (de) | 1984-12-10 |
| PL123282B1 (en) | 1982-10-30 |
| DK512679A (da) | 1980-06-05 |
| SE441150B (sv) | 1985-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |