DE69511854T2 - Methode zur reinigung von stickstoffoxid enthaltenden gasen und vorrichtung zur reinigung von gasen in einem kessel zur erzeugung von dampf - Google Patents
Methode zur reinigung von stickstoffoxid enthaltenden gasen und vorrichtung zur reinigung von gasen in einem kessel zur erzeugung von dampfInfo
- Publication number
- DE69511854T2 DE69511854T2 DE69511854T DE69511854T DE69511854T2 DE 69511854 T2 DE69511854 T2 DE 69511854T2 DE 69511854 T DE69511854 T DE 69511854T DE 69511854 T DE69511854 T DE 69511854T DE 69511854 T2 DE69511854 T2 DE 69511854T2
- Authority
- DE
- Germany
- Prior art keywords
- gases
- convection section
- reduction
- catalytic
- heat transfer
- 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 - Fee Related
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 239000007789 gas Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000006722 reduction reaction Methods 0.000 claims abstract description 65
- 239000003546 flue gas Substances 0.000 claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 30
- 230000003197 catalytic effect Effects 0.000 claims abstract description 25
- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 238000010531 catalytic reduction reaction Methods 0.000 claims abstract description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 66
- 239000003054 catalyst Substances 0.000 claims description 47
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 229910021529 ammonia Inorganic materials 0.000 claims description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 17
- 239000000446 fuel Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000000567 combustion gas Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 239000002243 precursor Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000004071 soot Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 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
- 238000009826 distribution Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000010457 zeolite 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
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
- F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
- F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
- F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2219/00—Treatment devices
- F23J2219/10—Catalytic reduction devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2219/00—Treatment devices
- F23J2219/20—Non-catalytic reduction devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/226,483 US5465690A (en) | 1994-04-12 | 1994-04-12 | Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler |
| PCT/FI1995/000207 WO1995027554A1 (en) | 1994-04-12 | 1995-04-12 | A method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69511854D1 DE69511854D1 (de) | 1999-10-07 |
| DE69511854T2 true DE69511854T2 (de) | 2000-02-17 |
Family
ID=22849086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69511854T Expired - Fee Related DE69511854T2 (de) | 1994-04-12 | 1995-04-12 | Methode zur reinigung von stickstoffoxid enthaltenden gasen und vorrichtung zur reinigung von gasen in einem kessel zur erzeugung von dampf |
Country Status (13)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007022678A1 (de) | 2007-05-11 | 2008-11-13 | Hydraulik-Ring Gmbh | Abgasnachbehandlungseinheit auf Ammoniakbasis und Verfahren zur Reinigung stickoxidhaltiger Abgase von Verbrennungskraftmaschinen |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19533715A1 (de) * | 1995-09-12 | 1997-03-13 | Basf Ag | Verfahren zum Entfernen von Stickstoffoxiden aus einem diese enthaltenden Gasstrom |
| DE19600869A1 (de) * | 1996-01-12 | 1997-07-17 | Metallgesellschaft Ag | Verfahren zur Entstickung von Rauchgasen |
| DE69610759T3 (de) * | 1996-04-22 | 2004-07-29 | Applied Utility Systems, Inc., Irvine | Integriertes katalytisches/nichtkatalytisches Verfahren zur selektiven Reduktion von Stickstoffoxiden |
| US6000935A (en) | 1997-02-21 | 1999-12-14 | Troxler Electronic Laboratories, Inc | Adjustable apparatus for pyrolysis of a composite material and method of calibration therefor |
| TW386894B (en) * | 1997-06-20 | 2000-04-11 | Von Roll Umwelttechnik Ag | Process and plant for deNOxing combustion off-gas |
| FI102409B (fi) * | 1997-09-16 | 1998-11-30 | Foster Wheeler Energia Oy | Menetelmä ja laite NOx päästöjen vähentämiseksi sellaisissa kiertoleij upetireaktoreissa, joita käytetään polttamaan polttoaineita, jotka sis ältävät suuren määrän haihtuvia palavia komponentteja |
| US6048510A (en) * | 1997-09-30 | 2000-04-11 | Coal Tech Corporation | Method for reducing nitrogen oxides in combustion effluents |
| FR2775061B1 (fr) * | 1998-02-16 | 2000-03-10 | Gec Alsthom Stein Ind | Chaudiere a lit fluidise circulant a reduction d'oxydes d'azote amelioree |
| AT406126B (de) * | 1998-07-16 | 2000-02-25 | Integral Umwelt Und Anlagentec | Verfahren zum einbringen mindestens eines zweiten reaktionsmediums in mindestens ein in einem kanal strömendes, erstes reaktionsmedium und zur intensiven vermischung der reaktionsmedien miteinander |
| FR2802287B1 (fr) * | 1999-12-14 | 2002-01-11 | Abb Alstom Power Comb | Procede pour l'amelioration de la combustion dans un systeme a lit fluidise circulant et systeme correspondant |
| US7829033B2 (en) * | 2003-07-03 | 2010-11-09 | Fuel Tech, Inc. | Selective catalytic reduction of NOx enabled by sidestream urea decomposition |
| KR20020084659A (ko) * | 2001-05-04 | 2002-11-09 | 윤만중 | 화석연료 연소 전,후 가스류 및 검뎅분해와 환원 화합물과대기 산성화 방지기술 |
| FI118132B2 (fi) * | 2001-05-08 | 2015-01-30 | Metso Power Oy | Menetelmä soodakattilassa ja soodakattila |
| US6944978B2 (en) * | 2001-06-11 | 2005-09-20 | Douglas Dynamics, Llc | Snowplow and mount assembly |
| FI114737B (fi) * | 2002-04-24 | 2004-12-15 | Tom Blomberg | Menetelmä biomassaa polttavien höyrykattiloiden höyrytulistimien asettelemiseksi ja höyrykattila |
| US7021248B2 (en) | 2002-09-06 | 2006-04-04 | The Babcock & Wilcox Company | Passive system for optimal NOx reduction via selective catalytic reduction with variable boiler load |
| US20050063887A1 (en) * | 2003-05-22 | 2005-03-24 | Stuart Arrol | Method and apparatus for zonal injection of chemicals into a furnace convective pass to reduce pollutants from flue gases |
| US20050084434A1 (en) * | 2003-10-20 | 2005-04-21 | Enviroserve Associates, L.L.C. | Scrubbing systems and methods for coal fired combustion units |
| DE102004051477B4 (de) * | 2004-10-22 | 2008-10-02 | Alstom Technology Ltd. | Verfahren zur Regulierung der Feststoffumlaufmenge eines zirkulierenden Wirbelschichtreaktorsystems |
| DE102005005796A1 (de) * | 2005-02-09 | 2006-08-17 | Applikations- Und Technikzentrum Für Energieverfahrens-, Umwelt- Und Strömungstechnik (Atz-Evus) | Verfahren und Vorrichtung zur thermochemischen Umsetzung eines Brennstoffs |
| US7578265B2 (en) * | 2006-05-09 | 2009-08-25 | Babcock & Wilcox Power Generation Group, Inc. | Multiple pass economizer and method for SCR temperature control |
| US7637233B2 (en) | 2006-05-09 | 2009-12-29 | Babcock & Wilcox Power Generation Group, Inc. | Multiple pass economizer and method for SCR temperature control |
| US8802582B2 (en) * | 2007-01-09 | 2014-08-12 | Catalytic Solutions, Inc. | High temperature ammonia SCR catalyst and method of using the catalyst |
| US7767175B2 (en) * | 2007-01-09 | 2010-08-03 | Catalytic Solutions, Inc. | Ammonia SCR catalyst and method of using the catalyst |
| US7527776B2 (en) * | 2007-01-09 | 2009-05-05 | Catalytic Solutions, Inc. | Ammonia SCR catalyst and method of using the catalyst |
| US7943097B2 (en) * | 2007-01-09 | 2011-05-17 | Catalytic Solutions, Inc. | Reactor system for reducing NOx emissions from boilers |
| KR100794389B1 (ko) | 2007-01-24 | 2008-01-15 | 한국에너지기술연구원 | 선택적비촉매환원법에서 질소산화물 저감을 위한 내부관통형 3중관 환원제 분사기 |
| US8042497B2 (en) * | 2007-04-12 | 2011-10-25 | Babcock & Wilcox Power Generation Group, Inc. | Steam generator arrangement |
| US20090297993A1 (en) * | 2008-05-30 | 2009-12-03 | Foster Wheeler Energia Oy | Method of and System For Generating Power By Oxyfuel Combustion |
| FI129360B2 (fi) * | 2009-04-15 | 2025-09-26 | Andritz Oy | Menetelmä savukaasupäästöjen vähentämiseksi ja kattila |
| US20110036279A1 (en) * | 2009-08-12 | 2011-02-17 | Jeffrey Shallcross | NOx reduction control system for boilers |
| JP5399214B2 (ja) * | 2009-11-18 | 2014-01-29 | 住友重機械工業株式会社 | 循環流動床炉及び循環流動床炉の制御方法 |
| US8012746B2 (en) * | 2009-12-31 | 2011-09-06 | Biogas & Electric, Llc | NOx removal system for biogas engines at anaerobic digestion facilities |
| US20110226195A1 (en) * | 2010-03-18 | 2011-09-22 | Foster Wheeler North America Corp. | Wall Construction for a Boiler Arrangement |
| US9513000B2 (en) * | 2010-09-29 | 2016-12-06 | Mitsubishi Hitachi Power Systems, Ltd. | Oxygen combustion system and method for operating same |
| EP2541144A1 (en) * | 2011-07-01 | 2013-01-02 | Tecnoborgo S.p.A. | Incinerator, particularly for waste-to-energy plants |
| JP5916470B2 (ja) * | 2011-08-04 | 2016-05-11 | 三菱重工業株式会社 | 流動層処理システム及び流動層燃焼排ガスのn2o除去方法 |
| WO2018077390A1 (en) * | 2016-10-25 | 2018-05-03 | Doosan Lentjes Gmbh | A cyclone with means for introducing a reducing agent |
| US10653996B1 (en) * | 2019-05-13 | 2020-05-19 | The Babcock & Wilcox Company | Selective non-catalytic reduction (SNCR) of NOx in fluidized bed combustion reactors |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2078947A (en) * | 1934-06-01 | 1937-05-04 | Houdry Process Corp | Temperature regulation of converters |
| US2078948A (en) * | 1935-02-13 | 1937-05-04 | Houdry Process Corp | Control of exothermic reactions |
| 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 |
| NL167334C (nl) * | 1975-01-13 | Mitsubishi Chem Ind | Werkwijze voor het verwijderen van stikstofoxyden uit een verbrandingsgas, in afwezigheid van een katalysator en in aanwezigheid van een ammoniakbron en zuurstof. | |
| US4208386A (en) * | 1976-03-03 | 1980-06-17 | Electric Power Research Institute, Inc. | Urea reduction of NOx in combustion effluents |
| US4181705A (en) * | 1978-08-18 | 1980-01-01 | Chevron Research Company | Purification of fluidized-bed combustion flue gas |
| US4393031A (en) * | 1979-02-22 | 1983-07-12 | Werner Henke | Process for efficiently removing oxides of nitrogen from exhaust gas |
| JPS5860194A (ja) * | 1981-10-05 | 1983-04-09 | Sumitomo Metal Ind Ltd | 低温排熱回収方法 |
| EP0176293B1 (en) * | 1984-09-24 | 1991-04-03 | Combustion Power Company Inc. | Recirculating fluid bed combustor - method and apparatus |
| DE3615705A1 (de) * | 1986-05-09 | 1987-11-12 | Bloom Eng Europa Gmbh | Rauchgaskanal fuer grosskessel mit einer vorrichtung zum einspeisen von ammoniak in den rauchgasstrom |
| DE3721051A1 (de) * | 1987-06-23 | 1989-01-05 | Lentjes Leisegang Umwelttechni | Verfahren und einrichtung zur entstickung von rauchgas |
| US4981660A (en) * | 1988-11-07 | 1991-01-01 | Leach James T | Selective hybrid NOx reduction process |
| DK166377C (da) * | 1989-02-10 | 1993-09-27 | Haldor Topsoe As | Fremgangsmaade til fjernelse af nitrogenoxider fra udstoedningsgasser fra turbiner |
| SE466991B (sv) * | 1989-08-07 | 1992-05-11 | Abb Carbon Ab | Foerfarande foer reducering av emission av nox vid foerbraenning |
| US4978514A (en) * | 1989-09-12 | 1990-12-18 | Fuel Tech, Inc. | Combined catalytic/non-catalytic process for nitrogen oxides reduction |
| US5139754A (en) * | 1989-09-12 | 1992-08-18 | Fuel Tech, Inc. | Catalytic/non-catalytic combination process for nitrogen oxides reduction |
| SE467646B (sv) * | 1989-11-20 | 1992-08-24 | Abb Carbon Ab | Saett vid roekgasrening i pfbc-anlaeggning |
| US5133950A (en) * | 1990-04-17 | 1992-07-28 | A. Ahlstrom Corporation | Reducing N2 O emissions when burning nitrogen-containing fuels in fluidized bed reactors |
| US5043150A (en) * | 1990-04-17 | 1991-08-27 | A. Ahlstrom Corporation | Reducing emissions of N2 O when burning nitrogen containing fuels in fluidized bed reactors |
| US5048432B1 (en) * | 1990-12-27 | 1996-07-02 | Nalco Fuel Tech | Process and apparatus for the thermal decomposition of nitrous oxide |
| US5233934A (en) * | 1992-08-20 | 1993-08-10 | Wahlco Environmental Systems, Inc. | Control of NOx reduction in flue gas flows |
| US5300270A (en) * | 1992-08-20 | 1994-04-05 | Wahlco Environmental Systems, Inc. | Hot-side electrostatic precipitator |
| US5237939A (en) * | 1992-08-20 | 1993-08-24 | Wahlco Environmental Systems, Inc. | Method and apparatus for reducing NOx emissions |
| US5318755A (en) * | 1992-11-30 | 1994-06-07 | A. Ahlstrom Corporation | Method and apparatus for cleaning flue gases |
| US5555849A (en) * | 1994-12-22 | 1996-09-17 | Combustion Engineering, Inc. | Gas temperature control system for catalytic reduction of nitrogen oxide emissions |
-
1994
- 1994-04-12 US US08/226,483 patent/US5465690A/en not_active Expired - Lifetime
-
1995
- 1995-04-12 CZ CZ19962977A patent/CZ287910B6/cs not_active IP Right Cessation
- 1995-04-12 PL PL95316785A patent/PL316785A1/xx unknown
- 1995-04-12 WO PCT/FI1995/000207 patent/WO1995027554A1/en not_active Application Discontinuation
- 1995-04-12 DE DE69511854T patent/DE69511854T2/de not_active Expired - Fee Related
- 1995-04-12 HU HU9602805A patent/HUT76752A/hu unknown
- 1995-04-12 EP EP95915897A patent/EP0755299B1/en not_active Revoked
- 1995-04-12 CA CA002186369A patent/CA2186369C/en not_active Expired - Fee Related
- 1995-04-12 DK DK95915897T patent/DK0755299T3/da active
- 1995-04-12 JP JP7526107A patent/JPH09509474A/ja active Pending
- 1995-04-12 AT AT95915897T patent/ATE183942T1/de not_active IP Right Cessation
- 1995-04-12 KR KR1019960705496A patent/KR970702097A/ko not_active Ceased
- 1995-06-12 TW TW084103616A patent/TW260621B/zh active
-
1997
- 1997-11-26 US US08/979,308 patent/US5911956A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007022678A1 (de) | 2007-05-11 | 2008-11-13 | Hydraulik-Ring Gmbh | Abgasnachbehandlungseinheit auf Ammoniakbasis und Verfahren zur Reinigung stickoxidhaltiger Abgase von Verbrennungskraftmaschinen |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE183942T1 (de) | 1999-09-15 |
| EP0755299B1 (en) | 1999-09-01 |
| HU9602805D0 (en) | 1996-12-30 |
| CA2186369C (en) | 2000-08-08 |
| HUT76752A (en) | 1997-11-28 |
| KR970702097A (ko) | 1997-05-13 |
| PL316785A1 (en) | 1997-02-17 |
| MX9604721A (es) | 1998-05-31 |
| WO1995027554A1 (en) | 1995-10-19 |
| EP0755299A1 (en) | 1997-01-29 |
| JPH09509474A (ja) | 1997-09-22 |
| CZ297796A3 (en) | 1997-03-12 |
| US5465690A (en) | 1995-11-14 |
| DK0755299T3 (da) | 2000-03-27 |
| CA2186369A1 (en) | 1995-10-19 |
| CZ287910B6 (cs) | 2001-03-14 |
| TW260621B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1995-10-21 |
| US5911956A (en) | 1999-06-15 |
| DE69511854D1 (de) | 1999-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69511854T2 (de) | Methode zur reinigung von stickstoffoxid enthaltenden gasen und vorrichtung zur reinigung von gasen in einem kessel zur erzeugung von dampf | |
| DE60127164T2 (de) | DURCH NEBENSTROM-HARNSTOFFABBAU ERMÖGLICHTE, SELEKTIVE KATALYTISCHE NOx-REDUKTION | |
| DE69408825T2 (de) | Abgaskessel | |
| DE69821505T2 (de) | Verfahren zur herstellung von ammonium aus harnstoff und anwendung dieses verfahrens | |
| DE69608140T2 (de) | Methode und vorrichtung zur verwendung von biobrennstoff oder abfallmaterial in der energieproduktion | |
| DE69111058T2 (de) | Verfahren zur Verminderung des Ausstosses von Distickstoffoxid bei der Verbrennung von stickstoffhaltigem Brennstoff in Wirbelschichtreaktoren. | |
| DE3032927C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE69130115T2 (de) | Verfahren und vorrichtung zur thermischen zersetzung von distickstoffoxid | |
| DE3517987A1 (de) | Verfahren und vorrichtung zur steuerung der funktion eines wirbelschichtreaktors mit zirkulierender wirbelschicht | |
| DE3407689C2 (de) | Verfahren zur Verminderung des NO↓x↓-Gehalts in den Verbrennungsabgasen einer Verbrennungsanlage | |
| DE3501189A1 (de) | Verfahren und anlage zur reduzierung des no(pfeil abwaerts)x(pfeil abwaerts)-gehaltes von mittels fossiler brennstoffe beheizten grossfeuerungsanlagen | |
| DE2550635A1 (de) | Verfahren zur entfernung von stickstoffoxiden aus verbrennungsabgasen | |
| WO1999058902A1 (de) | Verfahren zur thermischen behandlung von feststoffen | |
| DE3515582A1 (de) | Abgasentschwefelung | |
| DE69505959T2 (de) | Behandlung von abgas eines fliessbett-druckreaktionssystems | |
| DE69511482T2 (de) | Anlage und Verfahren zur Reduzierung von NOx-Emissionen bei einem Wirbelschichtreaktor | |
| EP0195075B1 (de) | Verfahren und vorrichtung zur selektiven katalytischen beseitigung von stickoxyden aus den abgasen von feuerungsanlagen | |
| EP0132584B1 (de) | Verfahren und Anlage zum Vermindern der Schadstoffemissionen in Rauchgasen von Feuerungsanlagen | |
| EP0607210A1 (de) | Verfahren zur verbrennung von feststoffen. | |
| EP1350552B1 (de) | Verfahren und Vorrichtung zur Beseitigung von Ammoniak aus Abgasen | |
| DE69800641T2 (de) | Verfahren zur entfernung und rückgewinnung von schwefelverbindungen h2s, so2, cos und/oder cs2 aus einem abgas einer schwefelanlage | |
| EP0911072B1 (de) | Verfahren und Vorrichtung zur Verringerung von NOx-Emissionen | |
| DE3731082C1 (en) | Method and plant for obtaining energy from solid, high-ballast fuels | |
| DE69100523T2 (de) | Verfahren und Vorrichtung zur Wärmeerzeugung mit Entschwefelung von Abgasen durch Absorptionsmittelteilchen feiner Teilchengrösse in einem Wanderbett. | |
| DE69609092T2 (de) | Verfahren und Vorrichtung zum Regenerieren von Sorbentien, die verwendet werden zur Behandlung von Brennprodukten in Heizkesseln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8339 | Ceased/non-payment of the annual fee |