DD264274B5 - Verfahren zur Verminderung der Stickoxide in einem Rauchgas sowie dementsprechende Rauchgasleitung - Google Patents
Verfahren zur Verminderung der Stickoxide in einem Rauchgas sowie dementsprechende Rauchgasleitung Download PDFInfo
- Publication number
- DD264274B5 DD264274B5 DD30705487A DD30705487A DD264274B5 DD 264274 B5 DD264274 B5 DD 264274B5 DD 30705487 A DD30705487 A DD 30705487A DD 30705487 A DD30705487 A DD 30705487A DD 264274 B5 DD264274 B5 DD 264274B5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- flue gas
- catalyst
- ammonia
- nitrogen oxides
- excess
- Prior art date
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000003546 flue gas Substances 0.000 title claims abstract description 69
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 96
- 239000003054 catalyst Substances 0.000 claims abstract description 79
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 abstract description 17
- 238000007254 oxidation reaction Methods 0.000 abstract description 17
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 27
- 238000006722 reduction reaction Methods 0.000 description 17
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 4
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 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
- B01D53/74—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
- B01D53/8631—Processes characterised by a specific device
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Chimneys And Flues (AREA)
- Catalysts (AREA)
- Seasonings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3632595 | 1986-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DD264274A1 DD264274A1 (de) | 1989-01-25 |
| DD264274B5 true DD264274B5 (de) | 1996-08-08 |
Family
ID=6310334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD30705487A DD264274B5 (de) | 1986-09-25 | 1987-09-18 | Verfahren zur Verminderung der Stickoxide in einem Rauchgas sowie dementsprechende Rauchgasleitung |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0261610A1 (da) |
| JP (1) | JPS6387521A (da) |
| DD (1) | DD264274B5 (da) |
| DK (1) | DK174013B1 (da) |
| FI (1) | FI88363C (da) |
| NO (1) | NO873994L (da) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK166377C (da) * | 1989-02-10 | 1993-09-27 | Haldor Topsoe As | Fremgangsmaade til fjernelse af nitrogenoxider fra udstoedningsgasser fra turbiner |
| DE4204603C2 (de) * | 1992-02-15 | 1996-02-29 | Hager & Elsaesser | Vorrichtung zur mehrstufigen, katalytischen Verbrennung von stickstoffhaltigen Gasen |
| JP3349182B2 (ja) * | 1992-12-21 | 2002-11-20 | 三菱重工業株式会社 | アンモニアの処理方法 |
| CA2154500C (en) * | 1994-07-28 | 2001-10-02 | Kouzo Iida | Methods of denitrating exhaust gases |
| US5770163A (en) * | 1994-12-21 | 1998-06-23 | Mitsubishi Jukogyo Kabushiki Kaisha | System for the recovery of ammonia escaping from an ammonia reduction denitrator |
| JP2000093749A (ja) * | 1998-09-25 | 2000-04-04 | Mitsubishi Heavy Ind Ltd | 排ガスの脱硝方法 |
| US6685897B1 (en) | 2000-01-06 | 2004-02-03 | The Regents Of The University Of California | Highly-basic large-pore zeolite catalysts for NOx reduction at low temperatures |
| KR20220160765A (ko) * | 2021-05-28 | 2022-12-06 | (주)트리플코어스코리아 | 질소산화물 제거 시스템 |
Family Cites Families (2)
| 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 |
| US4571329A (en) * | 1984-08-13 | 1986-02-18 | Babcock-Hitachi Kabushiki Kaisha | Ammonia reduction-denitration process and apparatus therefor |
-
1987
- 1987-09-08 FI FI873876A patent/FI88363C/fi not_active IP Right Cessation
- 1987-09-18 EP EP87113717A patent/EP0261610A1/de not_active Withdrawn
- 1987-09-18 DD DD30705487A patent/DD264274B5/de not_active IP Right Cessation
- 1987-09-21 JP JP62238602A patent/JPS6387521A/ja active Pending
- 1987-09-23 DK DK198704988A patent/DK174013B1/da not_active IP Right Cessation
- 1987-09-24 NO NO873994A patent/NO873994L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6387521A (ja) | 1988-04-18 |
| NO873994L (no) | 1988-03-28 |
| DK174013B1 (da) | 2002-04-15 |
| DD264274A1 (de) | 1989-01-25 |
| FI88363B (fi) | 1993-01-29 |
| EP0261610A1 (de) | 1988-03-30 |
| DK498887D0 (da) | 1987-09-23 |
| FI873876A0 (fi) | 1987-09-08 |
| NO873994D0 (no) | 1987-09-24 |
| FI88363C (fi) | 1993-05-10 |
| FI873876L (fi) | 1988-03-26 |
| DK498887A (da) | 1988-03-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EP | Request for examination under paragraph 12(1) filed | ||
| AUF | Maintained (sect. 12/3 extension act | ||
| B5 | Patent specification, 2nd publ. accord. to extension act | ||
| VE | Opposition against patent raised | ||
| WP12 | As result of examination under paragraph 12 erstrg. patent revoked |