DE2754932C2 - Verfahren zum Entfernen von Stickstoffoxiden aus einem Gas - Google Patents
Verfahren zum Entfernen von Stickstoffoxiden aus einem GasInfo
- Publication number
- DE2754932C2 DE2754932C2 DE2754932A DE2754932A DE2754932C2 DE 2754932 C2 DE2754932 C2 DE 2754932C2 DE 2754932 A DE2754932 A DE 2754932A DE 2754932 A DE2754932 A DE 2754932A DE 2754932 C2 DE2754932 C2 DE 2754932C2
- Authority
- DE
- Germany
- Prior art keywords
- gas
- ammonia
- reduction
- temperature
- ppm
- 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.)
- Expired
Links
- 239000007789 gas Substances 0.000 title claims description 67
- 238000000034 method Methods 0.000 title claims description 31
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 107
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 88
- 229910021529 ammonia Inorganic materials 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 238000002485 combustion reaction Methods 0.000 claims description 13
- MDFFNEOEWAXZRQ-UHFFFAOYSA-N aminyl Chemical compound [NH2] MDFFNEOEWAXZRQ-UHFFFAOYSA-N 0.000 claims description 8
- 238000011946 reduction process Methods 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 239000000567 combustion gas Substances 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000006722 reduction reaction Methods 0.000 claims 12
- 239000003054 catalyst Substances 0.000 claims 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 239000003595 mist Substances 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 101100352919 Caenorhabditis elegans ppm-2 gene Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- MMBMIVSDYYPRHH-UHFFFAOYSA-N hydrogen peroxide Chemical compound OO.OO MMBMIVSDYYPRHH-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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 |
|---|---|---|---|
| JP14774776A JPS5372773A (en) | 1976-12-10 | 1976-12-10 | Direct reductive denitration method of ammonia |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2754932A1 DE2754932A1 (de) | 1978-06-15 |
| DE2754932C2 true DE2754932C2 (de) | 1982-08-26 |
Family
ID=15437217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2754932A Expired DE2754932C2 (de) | 1976-12-10 | 1977-12-09 | Verfahren zum Entfernen von Stickstoffoxiden aus einem Gas |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4213944A (enExample) |
| JP (1) | JPS5372773A (enExample) |
| CA (1) | CA1089195A (enExample) |
| DE (1) | DE2754932C2 (enExample) |
| FR (1) | FR2373327A1 (enExample) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456976A (en) * | 1977-10-14 | 1979-05-08 | Hitachi Ltd | Treatment of gases containing nitrogen oxideds |
| JPS5499771A (en) * | 1978-01-24 | 1979-08-06 | Mitsubishi Heavy Ind Ltd | Controlling method for ammonia injection at dry process exhaust gas dieitration method |
| US4351810A (en) * | 1981-07-09 | 1982-09-28 | The United States Of America As Represented By The Secretary Of Commerce | Method for removing sulfur dioxide from a gas stream |
| US4473536A (en) * | 1982-12-27 | 1984-09-25 | General Electric Company | Catalytic pollution control system for gas turbine exhaust |
| US4473537A (en) * | 1982-12-27 | 1984-09-25 | General Electric Company | Ammonia control system for NOx emission control for gas turbine exhaust |
| DE3407689C2 (de) * | 1984-03-02 | 1987-01-22 | Steag Ag, 4300 Essen | Verfahren zur Verminderung des NO↓x↓-Gehalts in den Verbrennungsabgasen einer Verbrennungsanlage |
| US4783325A (en) * | 1985-05-14 | 1988-11-08 | Jones Dale G | Process and apparatus for removing oxides of nitrogen and sulfur from combustion gases |
| GB8622593D0 (en) * | 1986-09-19 | 1986-10-22 | Stordy Combustion Eng Ltd | Carrying out combustion process |
| US5057293A (en) * | 1987-02-13 | 1991-10-15 | Fuel Tech, Inc. | Multi-stage process for reducing the concentration of pollutants in an effluent |
| US5017347A (en) * | 1987-02-13 | 1991-05-21 | Fuel Tech, Inc. | Process for nitrogen oxides reduction and minimization of the production of other pollutants |
| US4777024A (en) * | 1987-03-06 | 1988-10-11 | Fuel Tech, Inc. | Multi-stage process for reducing the concentration of pollutants in an effluent |
| US4902488A (en) * | 1987-05-14 | 1990-02-20 | Fuel Tech, Inc. | Process for nitrogen oxides reduction with minimization of the production of other pollutants |
| US4830839A (en) * | 1987-02-13 | 1989-05-16 | Fuel Tech, Inc. | Ammonia scrubbing |
| EP0354220B1 (en) * | 1987-09-23 | 1993-04-21 | Fuel Tech, Inc. | Multi-stage process for reducing the concentration of pollutants in an effluent |
| WO1989007004A1 (en) * | 1988-02-02 | 1989-08-10 | Dale Gordon Jones | Process and apparatus using two-stage boiler injection for reduction of oxides of nitrogen |
| WO1990005000A1 (en) * | 1988-10-31 | 1990-05-17 | Dale Gordon Jones | Devices and method for cleaning gases |
| CA1295813C (en) * | 1988-12-14 | 1992-02-18 | Karl T. Chuang | Reduction of nitrogen oxides |
| US5240689A (en) * | 1989-06-19 | 1993-08-31 | Noell, Inc. | Process using two-stage boiler injection for reduction of nitrogen |
| US5120516A (en) * | 1990-01-08 | 1992-06-09 | Physical Sciences, Inc. | Process for removing nox emissions from combustion effluents |
| US5252298A (en) * | 1991-04-23 | 1993-10-12 | Noell, Inc. | Device for cleaning gases |
| US5670122A (en) * | 1994-09-23 | 1997-09-23 | Energy And Environmental Research Corporation | Methods for removing air pollutants from combustion flue gas |
| US20010012700A1 (en) * | 1998-12-15 | 2001-08-09 | Klaus F. Schuegraf | Semiconductor processing methods of chemical vapor depositing sio2 on a substrate |
| US6676912B1 (en) * | 1999-10-28 | 2004-01-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration | Method for removal of nitrogen oxides from stationary combustion sources |
| US8449288B2 (en) * | 2003-03-19 | 2013-05-28 | Nalco Mobotec, Inc. | Urea-based mixing process for increasing combustion efficiency and reduction of nitrogen oxides (NOx) |
| US7790128B2 (en) * | 2003-04-04 | 2010-09-07 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Hydrogen peroxide catalytic decomposition |
| KR100597961B1 (ko) * | 2003-04-24 | 2006-07-06 | 한국남부발전 주식회사 | 고정원에서 발생되는 이산화질소 가시매연 저감방법 |
| US7670569B2 (en) * | 2003-06-13 | 2010-03-02 | Mobotec Usa, Inc. | Combustion furnace humidification devices, systems & methods |
| US8251694B2 (en) * | 2004-02-14 | 2012-08-28 | Nalco Mobotec, Inc. | Method for in-furnace reduction flue gas acidity |
| US7537743B2 (en) * | 2004-02-14 | 2009-05-26 | Mobotec Usa, Inc. | Method for in-furnace regulation of SO3 in catalytic NOx reducing systems |
| US7410356B2 (en) | 2005-11-17 | 2008-08-12 | Mobotec Usa, Inc. | Circulating fluidized bed boiler having improved reactant utilization |
| US8069824B2 (en) * | 2008-06-19 | 2011-12-06 | Nalco Mobotec, Inc. | Circulating fluidized bed boiler and method of operation |
| CA2760777C (en) * | 2009-05-15 | 2017-09-05 | Fmc Corporation | Combustion flue gas nox treatment |
| DE102009023224A1 (de) * | 2009-05-29 | 2010-12-02 | Avl Emission Test Systems Gmbh | Anordnung zur geregelten Zuführung und Förderung eines Gasgemisches in eine Analysekammer |
| RU2403081C1 (ru) * | 2009-06-30 | 2010-11-10 | Государственное образовательное учреждение высшего профессионального образования Российский государственный университет нефти и газа им. И.М. Губкина | Способ некаталитической очистки дымовых газов от оксидов азота |
| CN102741157B (zh) | 2009-08-03 | 2016-01-20 | Fmc有限公司 | 用催化剂对活性化合物进行活化 |
| WO2014172152A1 (en) * | 2013-04-19 | 2014-10-23 | Siemens Healthcare Diagnostics Inc. | Non-contact micro droplet dispenser and method |
| WO2015039019A1 (en) | 2013-09-13 | 2015-03-19 | Peroxychem Llc | Treatment of nitrogen oxides in flue gas streams |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5154871A (ja) * | 1974-11-09 | 1976-05-14 | Mitsubishi Chem Ind | Nenshohaigasuchunochitsusosankabutsuno bunkaiho |
| CA989141A (en) | 1971-10-21 | 1976-05-18 | Arnold M. Eisenberg | Process for destruction of nitrogen oxides |
| US3900554A (en) * | 1973-03-16 | 1975-08-19 | Exxon Research Engineering Co | Method for the reduction of the concentration of no in combustion effluents using ammonia |
| JPS5120771A (ja) * | 1974-08-13 | 1976-02-19 | Mitsubishi Chem Ind | Chitsusosankabutsuobunkaisuruhoho |
| JPS51111466A (en) * | 1975-03-26 | 1976-10-01 | Tsutomu Kagitani | Decomposition of nitrogen oxides |
-
1976
- 1976-12-10 JP JP14774776A patent/JPS5372773A/ja active Granted
-
1977
- 1977-12-07 CA CA292,595A patent/CA1089195A/en not_active Expired
- 1977-12-09 FR FR7737255A patent/FR2373327A1/fr active Granted
- 1977-12-09 US US05/859,176 patent/US4213944A/en not_active Expired - Lifetime
- 1977-12-09 DE DE2754932A patent/DE2754932C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4213944A (en) | 1980-07-22 |
| JPS561128B2 (enExample) | 1981-01-12 |
| CA1089195A (en) | 1980-11-11 |
| JPS5372773A (en) | 1978-06-28 |
| DE2754932A1 (de) | 1978-06-15 |
| FR2373327B1 (enExample) | 1980-08-22 |
| FR2373327A1 (fr) | 1978-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |