DE2550231A1 - Verfahren zur entfernung von stickstoffoxiden aus verbrennungsabgas - Google Patents
Verfahren zur entfernung von stickstoffoxiden aus verbrennungsabgasInfo
- Publication number
- DE2550231A1 DE2550231A1 DE19752550231 DE2550231A DE2550231A1 DE 2550231 A1 DE2550231 A1 DE 2550231A1 DE 19752550231 DE19752550231 DE 19752550231 DE 2550231 A DE2550231 A DE 2550231A DE 2550231 A1 DE2550231 A1 DE 2550231A1
- Authority
- DE
- Germany
- Prior art keywords
- ammonia
- flame
- gas
- exhaust gas
- combustion exhaust
- 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.)
- Withdrawn
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 32
- 238000000034 method Methods 0.000 title claims description 29
- 239000000567 combustion gas Substances 0.000 title description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 206
- 229910021529 ammonia Inorganic materials 0.000 claims description 102
- 239000007789 gas Substances 0.000 claims description 77
- 238000002485 combustion reaction Methods 0.000 claims description 42
- 239000003085 diluting agent Substances 0.000 claims description 25
- 229910052573 porcelain Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 2
- 239000002243 precursor Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000003054 catalyst Substances 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C99/00—Subject-matter not provided for in other groups of this subclass
-
- 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
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J7/00—Arrangement of devices for supplying chemicals to fire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
- F23M9/06—Baffles or deflectors for air or combustion products; Flame shields in fire-boxes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49129100A JPS5154871A (ja) | 1974-11-09 | 1974-11-09 | Nenshohaigasuchunochitsusosankabutsuno bunkaiho |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2550231A1 true DE2550231A1 (de) | 1976-05-13 |
Family
ID=15001057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752550231 Withdrawn DE2550231A1 (de) | 1974-11-09 | 1975-11-08 | Verfahren zur entfernung von stickstoffoxiden aus verbrennungsabgas |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5154871A (enExample) |
| DE (1) | DE2550231A1 (enExample) |
| FR (1) | FR2290241A1 (enExample) |
| GB (1) | GB1485217A (enExample) |
| NL (1) | NL7513050A (enExample) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2754932A1 (de) * | 1976-12-10 | 1978-06-15 | Hitachi Ltd | Verfahren zum entfernen von stickstoffoxiden aus gas mit ammoniak |
| DE3532209A1 (de) * | 1985-09-10 | 1987-03-12 | Didier Eng | Verfahren zur selektiven katalytischen reduktion von stickoxiden |
| DE3626039A1 (de) * | 1986-08-01 | 1988-02-11 | Hoelter Heinz | No(pfeil abwaerts)x(pfeil abwaerts)-reduktion mittels ammoniak bei einer wirbelschichtfeuerung |
| DE3702107A1 (de) * | 1987-01-24 | 1988-08-04 | Hoelter Heinz | Nutzung von abwasser hinter simultanen so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschanlagen |
| DE3800730A1 (de) * | 1987-02-11 | 1988-08-25 | Babcock Anlagen Ag | Verfahren zum einmischen von ammoniak in einen rauchgasstrom |
| AT392422B (de) * | 1989-04-26 | 1991-03-25 | Waagner Biro Ag | Verfahren zur entfernung von stickoxiden |
| DE4115369A1 (de) * | 1991-03-28 | 1992-10-01 | Asea Brown Boveri | Verfahren zur minimierung der stickstoffoxyde (nox) bei einer verbrennung |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52710A (en) * | 1975-06-24 | 1977-01-06 | Mitsubishi Heavy Ind Ltd | Lower nitrogen oxides indusrrial heating furnace |
| JPS52709A (en) * | 1975-06-24 | 1977-01-06 | Mitsubishi Heavy Ind Ltd | Lower nitrogen oxides industrial heating furnace |
| JPS52708A (en) * | 1975-06-24 | 1977-01-06 | Mitsubishi Heavy Ind Ltd | Lower nitrogen oxides industrial heating furnace |
| JPS531682A (en) * | 1976-06-28 | 1978-01-09 | Osaka Gas Co Ltd | Decreasing method of no# in combustion exhaust gas from hydrocarbon |
| JPS5627957Y2 (enExample) * | 1976-06-30 | 1981-07-03 | ||
| JPS5314664A (en) * | 1976-07-27 | 1978-02-09 | Nippon Steel Corp | Method for removing nitrogen oxides contained |
| JPS5477277A (en) * | 1977-12-02 | 1979-06-20 | Mitsubishi Heavy Ind Ltd | Method and apparatus for reducing nitrogen oxides in combustion exhaust gas |
| JPS6429166A (en) * | 1987-07-24 | 1989-01-31 | Sharp Kk | Picture rotating device |
| DK171982B1 (da) * | 1992-03-27 | 1997-09-08 | Smidth & Co As F L | Fremgangsmåde og anlæg til selektiv reduktion af NO-indholdet i røggas fra et ovnanlæg |
| US6254379B1 (en) * | 2000-09-27 | 2001-07-03 | Praxair Technology, Inc. | Reagent delivery system |
-
1974
- 1974-11-09 JP JP49129100A patent/JPS5154871A/ja active Pending
-
1975
- 1975-11-04 GB GB4581875A patent/GB1485217A/en not_active Expired
- 1975-11-05 FR FR7533786A patent/FR2290241A1/fr active Granted
- 1975-11-07 NL NL7513050A patent/NL7513050A/xx not_active Application Discontinuation
- 1975-11-08 DE DE19752550231 patent/DE2550231A1/de not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2754932A1 (de) * | 1976-12-10 | 1978-06-15 | Hitachi Ltd | Verfahren zum entfernen von stickstoffoxiden aus gas mit ammoniak |
| US4213944A (en) * | 1976-12-10 | 1980-07-22 | Hitachi, Ltd. | Process for removing nitrogen oxides from gas by ammonia |
| DE3532209A1 (de) * | 1985-09-10 | 1987-03-12 | Didier Eng | Verfahren zur selektiven katalytischen reduktion von stickoxiden |
| DE3626039A1 (de) * | 1986-08-01 | 1988-02-11 | Hoelter Heinz | No(pfeil abwaerts)x(pfeil abwaerts)-reduktion mittels ammoniak bei einer wirbelschichtfeuerung |
| DE3702107A1 (de) * | 1987-01-24 | 1988-08-04 | Hoelter Heinz | Nutzung von abwasser hinter simultanen so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschanlagen |
| DE3800730A1 (de) * | 1987-02-11 | 1988-08-25 | Babcock Anlagen Ag | Verfahren zum einmischen von ammoniak in einen rauchgasstrom |
| AT392422B (de) * | 1989-04-26 | 1991-03-25 | Waagner Biro Ag | Verfahren zur entfernung von stickoxiden |
| DE4115369A1 (de) * | 1991-03-28 | 1992-10-01 | Asea Brown Boveri | Verfahren zur minimierung der stickstoffoxyde (nox) bei einer verbrennung |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7513050A (nl) | 1976-05-11 |
| FR2290241B1 (enExample) | 1979-01-19 |
| FR2290241A1 (fr) | 1976-06-04 |
| JPS5154871A (ja) | 1976-05-14 |
| GB1485217A (en) | 1977-09-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |