DE3021875A1 - METHOD FOR APPLYING THE SELECTIVE REDUCTION OF NITROGEN OXIDS FROM A FLAME COMBUSTION WITH THE AID OF AMMONIA - Google Patents
METHOD FOR APPLYING THE SELECTIVE REDUCTION OF NITROGEN OXIDS FROM A FLAME COMBUSTION WITH THE AID OF AMMONIAInfo
- Publication number
- DE3021875A1 DE3021875A1 DE3021875A DE3021875A DE3021875A1 DE 3021875 A1 DE3021875 A1 DE 3021875A1 DE 3021875 A DE3021875 A DE 3021875A DE 3021875 A DE3021875 A DE 3021875A DE 3021875 A1 DE3021875 A1 DE 3021875A1
- Authority
- DE
- Germany
- Prior art keywords
- ammonia
- carrier medium
- air
- combustion
- selective reduction
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims description 14
- 238000002485 combustion reaction Methods 0.000 title claims description 14
- 229910021529 ammonia Inorganic materials 0.000 title claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 title 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 239000003546 flue gas Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 238000000197 pyrolysis Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims 1
- 235000012501 ammonium carbonate Nutrition 0.000 claims 1
- 239000001099 ammonium carbonate Substances 0.000 claims 1
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 claims 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000003245 coal Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000008365 aqueous carrier Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Combustion Of Fluid Fuel (AREA)
Description
& C. Steinmüller GmbH 527o Gummersbach, den 9.6.198o Postfach 1949/196O Pa 8008& C. Steinmüller GmbH 527o Gummersbach, 9.6.198o P.O. Box 1949/1990 Pa 8008
Kl./Al.Kl./Al.
'Verfahren zur Anwendung der selektiven Reduktion von Stickoxiden aus einer Flammenverbrennung mit Hilfe von Ammoniak"'' Method for applying the selective reduction of nitrogen oxides from flame combustion with the help of ammonia "
Dje Erfindung betrifft ein Verfahren zur selektiven oduktion von N0v, die bei den technischen Verbrennungsprozessen durch Oxidation des molekularen Stickstoffes der Luft bei hohen Temperaturen durch atomaren Sauerstoff und durch die Pyrolyse des stickstoffhaltigen Brennstoffes entstehen, durch Zugabe von Ammoniak mittels eines Trägermittelstromes in den ereich der Brennerflamme.The invention relates to a method for the selective oduction of N0 v , which arise in the technical combustion processes by oxidation of the molecular nitrogen of the air at high temperatures by atomic oxygen and by the pyrolysis of the nitrogen-containing fuel, by adding ammonia by means of a carrier medium flow in the area of the Burner flame.
Zur erfolgreichen Durchführung der selektiven Reduzierung von NO durch NH~ wird gemäß der Offenlegungschrift 2 411 672 der Esso Research & Engineering Co., Linden, N.J. (USA) neben dem Vorhandensein einer auseichenden Menge von Sauerstoff und Ammoniak nach der eaktionTo successfully carry out the selective reduction of NO by NH ~, according to the laid-open specification 2,411,672 from Esso Research & Engineering Co., Linden, N.J. (USA) in addition to the presence of an adequate Amount of oxygen and ammonia after the reaction
2 NO + 2 NK3 + i O2 ^ 2 N2 + 3 H3O2 NO + 2 NK 3 + i O 2 ^ 2 N 2 + 3 H 3 O
ein Temperaturbereich von 7o5 — Io95 ° C vorgeschlagen, wobei die optimale Temperatur bei etwa looo ° C angegeben wird.suggested a temperature range of 7o5 - Io95 ° C, the optimum temperature being given at around 100 ° C.
Es sind Verfahren bekannt, mit denen auf verschiedene Art und Weise die Reduktionsmittel in den Feuerraum ein. gegeben werden.Processes are known with which the reducing agents can be introduced into the combustion chamber in various ways. are given.
Bei einem üblichen Verfahren ist die Vorgehensweise derart, daß die Reduktionsmittel oberhalb des Flammenbcreichs in den Feuerraum mit Hilfe von Luftstrahlen oingodüst worden. Der Nachteil dieses bekannten Verfahren.'; besteht darin, daß die Art des Einbringens der Reduktionsmittel in den Feuerraum die Reduktion von Stickoxiden durch die Reduktionsmittel deshalb nicht sicherstellt, da die relativ geringe Mischungsenergie der Luftstrahlen nicht ausreicht, um einen guten Mischungsgrad der Reduktionspartner zu erzielen. Außerdem erfolgt die Mischung der Reduktionspartner zum größten Teil in Temperaturbereichen, die nicht optimale Reaktionsbedingungen gewährleisten.In a common method, the procedure is such that the reducing agents are above the flame area been oingodusted in the furnace with the help of air jets. The disadvantage of this known method. '; is that the way of introducing the reducing agent into the furnace, the reduction of Nitrogen oxides by the reducing agent therefore does not ensure, since the relatively low mixing energy the air jets are not sufficient to achieve a good degree of mixing of the reducing partners. aside from that the mixing of the reducing partners takes place for the most part in temperature ranges that are not optimal reaction conditions guarantee.
Die vorliegende Erfindung hat sich daher die Aufgabe gestellt, ein Verfahren der eingangs beschriebenen Art zu entwickeln, mit dem sichergestellt ist, daß bei Zucjabe von die Stickoxide bindenden Reduktionsmittel diese mit den Reaktionsprodukten aus der Verbrennung an einem Ort und in einer Form im Feuerraum so zusammen geführt werden, daß die für die Reaktion notwendigen Voraussetzungen in Bezug auf Temperatur und Mischungsgrad erreicht werden. The present invention has therefore set itself the task of providing a method of the type described at the outset to be developed to ensure that zucjabe reducing agents binding the nitrogen oxides to these with the reaction products from the combustion be brought together in one place and in a form in the furnace so that the necessary for the reaction Requirements in terms of temperature and degree of mixing are achieved.
Zur Lösung dieser Aufgabe wird nach der Erfindung vorgeschlagen, daß die Reduktionsmittel der Brennerflamme mittels eines gasförmigen und/oder flüssigen Trägermittelstromes unter Bildung eines die Brennerflamme umgebenden Schleiers zugegeben werden.To solve this problem it is proposed according to the invention that the reducing agent of the burner flame by means of a gaseous and / or liquid carrier medium flow with the formation of a flame surrounding the burner flame Veil to be added.
Als Trägermittel können verschiedene Stoffe zur Anwendung kommen. Gemäß einer ersten Ausführungsform des erfindungsgemäßen Verfahrens kann als Trägermittel Verbrennungsluft in Form eines Teilluftstromes verwendet werden.Various substances can be used as carriers. According to a first embodiment of the invention In the process, combustion air in the form of a partial air stream can be used as the carrier medium.
Es besteht nach der Erfindung auch die Möglichkeit, als Trägermittel ein Gemisch aus Verbrennungsluft und Rauchgas zu verwenden.According to the invention, there is also the possibility of using a mixture of combustion air and flue gas as the carrier medium to use.
130051/0268 ' Λ 130051/0268 ' Λ
Eine andere Möglichkeit ist, als Trägermittel reines Rauchgas einzusetzen.Another possibility is to use pure flue gas as the carrier medium.
ch dem Verfahren kann auch als Trägermittel eine wässrige Lösung verwendet werden.The process can also use an aqueous carrier medium Solution can be used.
s Reduktionsmittel kann NH, sowie sine reaktionsfähi-s reducing agent can be NH, as well as its reactive
3
geh Verbindungen, wie sie im Anspruch 6 genannt sind,3
go connections, as they are mentioned in claim 6,
Verwendung finden.Find use.
Daüurch, daß der Ort und die Form der Zugabe der Reduktionsmittel im Bereich der Flamme unter Verwendung einesBy that the place and the form of the addition of the reducing agent in the area of the flame using a
gegeben sind, wird erreicht, daß die Reaktion der Re-are given, it is achieved that the reaction of the
:tionsmittel mit den Stickoxiden aus den Brenngasen 2ts dort erfolgt, wo die Reaktionsbedingungen verfah-: medium with the nitrogen oxides from the fuel gases 2ts takes place where the reaction conditions
Di sp foTuesday sp fo
förmigen und flüssigen Trägermittelstromes klar vor-shaped and liquid carrier medium flow is clearly
rensoptimal vorliegen.rensoptimal available.
Au 5er der Festlegung des Ortes und der Form für die ZugaDe des Reduktionsmittels kann die Wahl des Trägermittels r den Reaktionsablauf in Richtung weiterer Optimierung sinflußt werden. Dies gilt z. B., wenn Brennstoffe mitExcept for the definition of the place and the form for the access of the reducing agent can be the choice of the carrier r the course of the reaction in the direction of further optimization be flowing. This applies e.g. B. if fuels with
hoien Flanimentemperaturen die für die Reaktion notwendige Temperatur negativ beeinflussen könnten. Weiterhin ka in durch die Wahl des Impulsstromes des Trägermittels fü.r das Reduktionsmittel der Mischvorgang der Reaktionsrtner hinsichtlich einer Reaktionsoptimierung gesteuert werden.hoien flaniment temperatures that necessary for the reaction Could negatively affect the temperature. Furthermore ka in by the choice of the impulse current of the carrier means For the reducing agent, the mixing process of the reactants is controlled with a view to optimizing the reaction will.
ϊ Anwendung des erfindungsgemäßen Verfahrens ist beielsweise an einem Kohlenstaubbrenner nach Bild 1 nachgend beschrieben.ϊ Application of the method according to the invention is for example described below on a pulverized coal burner according to Figure 1.
dem Kernluftrohr 2, Brennstoff und Kohlenstaub-Tragtteil 1 und Mantelluftteil 3 bestehenden Brenner wirdthe core air pipe 2, fuel and pulverized coal support part 1 and jacket air part 3 existing burner
eine Primärverbrennungszone 6 erzeugt, deren Luftzahl zwischen dem o,6- bis 1,1-fachen der Stöchiometrie liegta primary combustion zone 6 is generated, the air ratio of which is between 0.6 and 1.1 times the stoichiometry
130051/0268130051/0268
Der Brenner ist so ausgebildet, daß durch bestimmte Maßnahmen (Drall der Mantelluft, konisch erweiterte Brennermündung, geschlossene Kernluft) im Inneren der Flamme eine Zone intensiver Rückströmung 5 aus einem Gebiet bereits fortgeschrittener Verbrennung erzeugt wird. Hierdurch wird das Brennstoff-Luftgemisch rasch aufgeheizt und gezündet. Die Aufheizung und Zündung kann über die Einstellung der Kernluftmenge beeinflußt werden.The burner is designed so that certain measures (swirl of the jacket air, widened conically Burner mouth, closed core air) inside the flame a zone of intense backflow 5 from a Area of already advanced combustion is generated. This makes the fuel-air mixture quick heated up and ignited. The heating and ignition can be influenced by setting the amount of core air will.
Die restliche Verbrennungsluft wird als Teilluftstrom mit Reduktionsmitteln, die mit den bei der Verbrennung entstehenden Stickoxiden reagieren sollen, über einige Düsen am Umfang so eingeblasen, daß sich um die Flamme ein Teilluftstrom-Reduktionsmittel-Schleier bildet, durch den sich außerhalb der Primärflamme die Sekundärflamme oder auch Naehroaktionszone 7 ausbildet, die über den Teilluftstrom mit Sauerstoff und Reduktionsmittel versorgt wird. Der Teilluftstrom 4 wird hierfür in einem Teilkreis angeordnet, der dem Doppelten oder mehr des Mantelluftrohrdurchmessers entspricht. Hierdurch ist sichergestellt, daß der Teilluftstrom 4 mit den Reduktionsmitteln erst nach einer Strecke von etwa 1 bis Mantelluftrohrdurchmessern außerhalb der höheren Temperaturbereiche die eigentliche Flamme stromab der Brennermündung erreicht. Die Zugabe der Reduktionsmittel zum Teilluftstrom 4 erfolgt über eine Leitung 8, und zwar im Bereich des Teilluftmenge-Regulierorgans, da dort wegen sich bildender Strcmungswirbel eine gute Durchmischung gew-ährleistet ist.The remaining combustion air is used as a partial air flow with reducing agents, which are supposed to react with the nitrogen oxides produced during combustion, via some Nozzles blown in on the circumference so that a partial air flow reducing agent veil is formed around the flame the secondary flame is located outside the primary flame or also near-action zone 7, which is supplied with oxygen and reducing agent via the partial air flow will. The partial air flow 4 is arranged for this in a partial circle that is twice or more the Jacket air tube diameter corresponds. This is ensures that the partial air flow 4 with the reducing agents only after a distance of about 1 to Jacket air pipe diameters outside the higher temperature ranges reaches the actual flame downstream of the burner mouth. The addition of the reducing agent to the partial air flow 4 takes place via a line 8, and although in the area of the partial air volume regulator, there there, due to the formation of vortices, good mixing is guaranteed.
An den Abschnitten der Umfangsflache der Flamme, die nicht der Teilluftströmung 9 benachbart sind, werden durch Impulsaustausch Rauchgase aus dem Feurraum eingesogen. Hierdurch wird die Flammentemperatur erniedrigt, was zu einer günstigen Beeinflussung des Reaktionsablaufes zwischen Reduktionsmittel und gasförmigen Stickoxiden mit beiträgt.At the sections of the circumferential surface of the flame that are not adjacent to the partial air flow 9, flue gases are sucked in from the furnace by the exchange of pulses. This lowers the flame temperature, which has a beneficial effect on the course of the reaction between reducing agents and gaseous nitrogen oxides.
130051/0268 A 130051/0268 A
Claims (1)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3021875A DE3021875C2 (en) | 1980-06-11 | 1980-06-11 | Method for applying the selective reduction of nitrogen oxides from flame combustion with the aid of ammonia |
| FR8110903A FR2484277A1 (en) | 1980-06-11 | 1981-06-02 | Nitrogen oxide redn. by ammonia - using burner with reductant fed to flame through a curtain of gas or liq. |
| JP8587881A JPS5726307A (en) | 1980-06-11 | 1981-06-05 | Selective reduction of nitrogen oxide |
| IT22163/81A IT1167540B (en) | 1980-06-11 | 1981-06-05 | PROCESS FOR THE USE OF THE SELECTIVE REDUCTION OF NITROGEN OXIDES COMING FROM A COMBUSTION TO THE FLAME WITH THE AID OF AMMONIA |
| NL8102783A NL8102783A (en) | 1980-06-11 | 1981-06-09 | METHOD FOR USING A SELECTIVE REDUCTION OF NITROGEN OXIDES FROM A FLAME COMBUSTION USING AMMONIA. |
| AU71423/81A AU7142381A (en) | 1980-06-11 | 1981-06-09 | Reduction of nitrogen oxides |
| BE0/205055A BE889166A (en) | 1980-06-11 | 1981-06-10 | PROCESS FOR APPLICATION TO SELECTIVE REDUCTION USING AMMONIA, NITRIC OXIDES PRODUCED BY FLAME COMBUSTION |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3021875A DE3021875C2 (en) | 1980-06-11 | 1980-06-11 | Method for applying the selective reduction of nitrogen oxides from flame combustion with the aid of ammonia |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3021875A1 true DE3021875A1 (en) | 1981-12-17 |
| DE3021875C2 DE3021875C2 (en) | 1985-04-25 |
Family
ID=6104351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3021875A Expired DE3021875C2 (en) | 1980-06-11 | 1980-06-11 | Method for applying the selective reduction of nitrogen oxides from flame combustion with the aid of ammonia |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5726307A (en) |
| AU (1) | AU7142381A (en) |
| BE (1) | BE889166A (en) |
| DE (1) | DE3021875C2 (en) |
| FR (1) | FR2484277A1 (en) |
| IT (1) | IT1167540B (en) |
| NL (1) | NL8102783A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3426796A1 (en) * | 1984-07-20 | 1986-01-30 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Separation out of SO2 and simultaneous separation out of NOx downstream of nonferrous metal furnaces, such as anode furnaces or converter furnace plants |
| DE3441726A1 (en) * | 1984-11-15 | 1986-05-22 | L. & C. Steinmüller GmbH, 5270 Gummersbach | METHOD FOR MIXING INTENSIVE MIXTURES OF ADDITIVES INTO THE FIREPLACE TO BIND THE SULFUR |
| DE3502788A1 (en) * | 1985-01-28 | 1986-07-31 | Saacke GmbH & Co KG, 2800 Bremen | METHOD AND DEVICE FOR REDUCING POLLUTANT EMISSIONS FROM COMBUSTION PLANTS |
| DE3513484A1 (en) * | 1985-04-16 | 1986-10-16 | Krupp Polysius Ag, 4720 Beckum | METHOD FOR REDUCING NITROGEN EMISSION FROM CEMENT PLANTING PLANTS |
| DE3604045C1 (en) * | 1986-02-08 | 1987-01-29 | Steag Ag | Process for the separation of nitrogen oxides from flue gases |
| DE3545190A1 (en) * | 1985-12-20 | 1987-06-25 | Hoelter Heinz | Process for producing utilisable products downstream of a flue-gas desulphurisation |
| DE3600270A1 (en) * | 1986-01-08 | 1987-07-30 | Hoelter Heinz | Simultaneous SO2 and NOx separation in the high temperature region and in the simultaneous wet technique region |
| DE3626039A1 (en) * | 1986-08-01 | 1988-02-11 | Hoelter Heinz | NOx reduction by ammonia in a fluidised-bed furnace |
| DE3627086A1 (en) * | 1986-08-09 | 1988-02-11 | Steag Ag | Process and arrangement for removing nitrogen oxides from flue gases |
| DE3800730A1 (en) * | 1987-02-11 | 1988-08-25 | Babcock Anlagen Ag | Method for mixing ammonia into a flue gas stream |
| CN112119261A (en) * | 2018-05-22 | 2020-12-22 | 三菱动力株式会社 | Burner and combustion apparatus |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3621347A1 (en) * | 1986-06-26 | 1988-01-14 | Henkel Kgaa | METHOD AND SYSTEM FOR REDUCING THE NO (ARROW DOWN) X (ARROW DOWN) CONTENT IN THE SMOKE GAS IN THE STEAM GENERATORS WITH DRY DUMPING |
| DE3713408A1 (en) * | 1987-04-21 | 1988-11-03 | Weishaupt Max Gmbh | METHOD FOR REDUCING NO (ARROW DOWN) X (ARROW DOWN) VALUES IN OIL- OR GAS-OPERATED COMBUSTION SYSTEMS |
| DE3735203A1 (en) * | 1987-10-17 | 1989-04-27 | Metallgesellschaft Ag | METHOD FOR REMOVING NO FROM COMBUSTION EXHAUST GASES |
| DE19853162C2 (en) * | 1998-11-18 | 2003-04-30 | Steag Encotec Gmbh | Process for burning a nitrogenous fuel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2550635A1 (en) * | 1974-11-11 | 1976-05-20 | Mitsubishi Chem Ind | PROCEDURE FOR THE REMOVAL OF NITROGEN OXIDES FROM COMBUSTION GASES |
-
1980
- 1980-06-11 DE DE3021875A patent/DE3021875C2/en not_active Expired
-
1981
- 1981-06-02 FR FR8110903A patent/FR2484277A1/en not_active Withdrawn
- 1981-06-05 JP JP8587881A patent/JPS5726307A/en active Pending
- 1981-06-05 IT IT22163/81A patent/IT1167540B/en active
- 1981-06-09 NL NL8102783A patent/NL8102783A/en not_active Application Discontinuation
- 1981-06-09 AU AU71423/81A patent/AU7142381A/en not_active Abandoned
- 1981-06-10 BE BE0/205055A patent/BE889166A/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2550635A1 (en) * | 1974-11-11 | 1976-05-20 | Mitsubishi Chem Ind | PROCEDURE FOR THE REMOVAL OF NITROGEN OXIDES FROM COMBUSTION GASES |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3426796A1 (en) * | 1984-07-20 | 1986-01-30 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Separation out of SO2 and simultaneous separation out of NOx downstream of nonferrous metal furnaces, such as anode furnaces or converter furnace plants |
| DE3441726A1 (en) * | 1984-11-15 | 1986-05-22 | L. & C. Steinmüller GmbH, 5270 Gummersbach | METHOD FOR MIXING INTENSIVE MIXTURES OF ADDITIVES INTO THE FIREPLACE TO BIND THE SULFUR |
| DE3502788A1 (en) * | 1985-01-28 | 1986-07-31 | Saacke GmbH & Co KG, 2800 Bremen | METHOD AND DEVICE FOR REDUCING POLLUTANT EMISSIONS FROM COMBUSTION PLANTS |
| DE3513484A1 (en) * | 1985-04-16 | 1986-10-16 | Krupp Polysius Ag, 4720 Beckum | METHOD FOR REDUCING NITROGEN EMISSION FROM CEMENT PLANTING PLANTS |
| DE3545190A1 (en) * | 1985-12-20 | 1987-06-25 | Hoelter Heinz | Process for producing utilisable products downstream of a flue-gas desulphurisation |
| DE3600270A1 (en) * | 1986-01-08 | 1987-07-30 | Hoelter Heinz | Simultaneous SO2 and NOx separation in the high temperature region and in the simultaneous wet technique region |
| DE3604045C1 (en) * | 1986-02-08 | 1987-01-29 | Steag Ag | Process for the separation of nitrogen oxides from flue gases |
| DE3626039A1 (en) * | 1986-08-01 | 1988-02-11 | Hoelter Heinz | NOx reduction by ammonia in a fluidised-bed furnace |
| DE3627086A1 (en) * | 1986-08-09 | 1988-02-11 | Steag Ag | Process and arrangement for removing nitrogen oxides from flue gases |
| DE3800730A1 (en) * | 1987-02-11 | 1988-08-25 | Babcock Anlagen Ag | Method for mixing ammonia into a flue gas stream |
| CN112119261A (en) * | 2018-05-22 | 2020-12-22 | 三菱动力株式会社 | Burner and combustion apparatus |
| EP3798514A4 (en) * | 2018-05-22 | 2022-06-08 | Mitsubishi Power, Ltd. | Burner and combustion device |
| CN112119261B (en) * | 2018-05-22 | 2023-10-27 | 三菱重工业株式会社 | Burner and combustion device |
Also Published As
| Publication number | Publication date |
|---|---|
| BE889166A (en) | 1981-10-01 |
| FR2484277A1 (en) | 1981-12-18 |
| IT8122163A0 (en) | 1981-06-05 |
| JPS5726307A (en) | 1982-02-12 |
| DE3021875C2 (en) | 1985-04-25 |
| AU7142381A (en) | 1981-12-17 |
| NL8102783A (en) | 1982-01-04 |
| IT1167540B (en) | 1987-05-13 |
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