FI69694C - Nox-reduktion i multisolida svaevbaeddsfoerbraenningsanordningar - Google Patents
Nox-reduktion i multisolida svaevbaeddsfoerbraenningsanordningar Download PDFInfo
- Publication number
- FI69694C FI69694C FI812631A FI812631A FI69694C FI 69694 C FI69694 C FI 69694C FI 812631 A FI812631 A FI 812631A FI 812631 A FI812631 A FI 812631A FI 69694 C FI69694 C FI 69694C
- Authority
- FI
- Finland
- Prior art keywords
- particles
- region
- bed
- combustion
- fluidized bed
- Prior art date
Links
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000002245 particle Substances 0.000 claims abstract description 37
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 31
- 239000011593 sulfur Substances 0.000 claims abstract description 31
- 239000000446 fuel Substances 0.000 claims abstract description 28
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 23
- 239000010419 fine particle Substances 0.000 claims description 22
- 239000002594 sorbent Substances 0.000 claims description 16
- 230000001590 oxidative effect Effects 0.000 claims description 15
- 238000011084 recovery Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 239000000567 combustion gas Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 229960004424 carbon dioxide Drugs 0.000 abstract description 3
- 229910002090 carbon oxide Inorganic materials 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 description 24
- 238000007254 oxidation reaction Methods 0.000 description 24
- 239000007789 gas Substances 0.000 description 19
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 10
- 235000019738 Limestone Nutrition 0.000 description 9
- 239000006028 limestone Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000011362 coarse particle Substances 0.000 description 5
- 239000000571 coke Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000001272 nitrous oxide Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002006 petroleum coke Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 101100065878 Caenorhabditis elegans sec-10 gene Proteins 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 238000003339 best practice Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 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
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/32—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with introduction into the fluidised bed of more than one kind of moving particles
-
- 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
- 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
- F23C10/005—Fluidised bed combustion apparatus comprising two or more beds
-
- 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
-
- 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
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
- F23C2206/101—Entrained or fast fluidised bed
-
- 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
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
- F23C2206/103—Cooling recirculating particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/09—Reaction techniques
- Y10S423/16—Fluidization
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Treating Waste Gases (AREA)
- Catalysts (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Radar Systems Or Details Thereof (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/106,745 US4704084A (en) | 1979-12-26 | 1979-12-26 | NOX reduction in multisolid fluidized bed combustors |
| US10674579 | 1979-12-26 | ||
| US8001737 | 1980-12-22 | ||
| PCT/US1980/001737 WO1981001873A1 (en) | 1979-12-26 | 1980-12-22 | No x reduction in multisolid fluidized bed combustors |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI812631L FI812631L (fi) | 1981-08-26 |
| FI69694B FI69694B (fi) | 1985-11-29 |
| FI69694C true FI69694C (fi) | 1986-03-10 |
Family
ID=22313021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI812631A FI69694C (fi) | 1979-12-26 | 1981-08-26 | Nox-reduktion i multisolida svaevbaeddsfoerbraenningsanordningar |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4704084A (da) |
| EP (2) | EP0042418A1 (da) |
| JP (1) | JPS56501811A (da) |
| AT (1) | ATE12188T1 (da) |
| BR (1) | BR8009003A (da) |
| CA (1) | CA1156516A (da) |
| DE (1) | DE3070358D1 (da) |
| DK (1) | DK150285C (da) |
| FI (1) | FI69694C (da) |
| NO (1) | NO153746C (da) |
| WO (1) | WO1981001873A1 (da) |
| ZA (1) | ZA808096B (da) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1184743A (en) * | 1981-10-09 | 1985-04-02 | Herbert A. Arbib | Superjet gas agitation process |
| US4453497A (en) * | 1982-12-21 | 1984-06-12 | Struthers Wells Corporation | Augmented heat transfer method and apparatus |
| US5171542A (en) * | 1984-03-20 | 1992-12-15 | A. Ahlstrom Corporation | Circulating fluidized bed reactor |
| US4672918A (en) * | 1984-05-25 | 1987-06-16 | A. Ahlstrom Corporation | Circulating fluidized bed reactor temperature control |
| FI79403C (fi) * | 1984-06-01 | 1989-12-11 | Ahlstroem Oy | Foerbraenningsmetod. |
| US4579070A (en) * | 1985-03-01 | 1986-04-01 | The M. W. Kellogg Company | Reducing mode circulating fluid bed combustion |
| DK158531C (da) * | 1985-06-13 | 1990-10-29 | Aalborg Vaerft As | Fremgangsmaade til kontinuerlig drift af en cirkulerende fluidiseret bed-reaktor samt reaktor til anvendelse ved udoevelse af fremgangsmaaden |
| FI853615L (fi) * | 1985-09-20 | 1987-03-21 | Tampella Oy Ab | Foerfarande foer minskning av utslaeppen av kvaeve- och svaveloxider vid foerbraenning av kvaeve- och svavelhaltigt braensle. |
| FI86105C (fi) * | 1985-11-19 | 1992-07-10 | Ahlstroem Oy | Foerfarande och anordning foer reglering av en virvelbaeddsreaktors funktion. |
| DE3580488D1 (de) * | 1985-12-09 | 1990-12-13 | Ahlstroem Oy | Reaktor mit zirkulierendem wirbelbett, verfahren zum trennen von feststoffen aus rauchgas. |
| NO159879C (no) * | 1986-05-02 | 1989-02-15 | Santo As | Fremgangsm te ved drift av et forbrenningsanlegg, segg for utfoerelse ten. |
| US4643110A (en) * | 1986-07-07 | 1987-02-17 | Enron, Inc. | Direct fuel-fired furnace arrangement for the recovery of gallium and germanium from coal fly ash |
| DE3702089C1 (de) * | 1987-01-24 | 1988-06-30 | Kernforschungsanlage Juelich | Wirbelschichtofen zur Muellverbrennung |
| DE3702892A1 (de) * | 1987-01-31 | 1988-08-11 | Rheinische Braunkohlenw Ag | Verfahren und einrichtung zur behandlung von koernigen feststoffen in einer wirbelschicht |
| US4869207A (en) * | 1987-07-13 | 1989-09-26 | A. Ahlstrom Corporation | Circulating fluidized bed reactor |
| FR2620517B1 (fr) * | 1987-09-14 | 1989-12-22 | Fives Cail Babcock | Procede de combustion en lit fluidise et installation pour la mise en oeuvre de ce procede |
| US5141708A (en) * | 1987-12-21 | 1992-08-25 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having an integrated recycle heat exchanger |
| FI87013C (fi) * | 1988-01-04 | 1992-11-10 | Tampella Oy Ab | Braenningsfoerfarande foer minskande av bildning av kvaeveoxider i samband med foerbraenning samt anordning foer tillaempande av foerfarandet |
| JP2637449B2 (ja) * | 1988-01-12 | 1997-08-06 | 三菱重工業株式会社 | 流動床燃焼方法 |
| US4881476A (en) * | 1988-07-26 | 1989-11-21 | The United States Of America As Represented By The United States Department Of Energy | Cyclone reactor with internal separation and axial recirculation |
| WO1991012465A1 (en) * | 1988-11-14 | 1991-08-22 | Mobil Oil Corporation | Circulating fluid bed combustion with co combustion promoter |
| WO1991012464A1 (en) * | 1988-11-14 | 1991-08-22 | Mobil Oil Corporation | Circulating fluid bed combustion with circulating co combustion promoter |
| US4927348A (en) * | 1988-11-14 | 1990-05-22 | Mobil Oil Corporation | Circulating fluid bed combustion with CO combustion promoter and reduced combustion air |
| US4899695A (en) * | 1989-02-14 | 1990-02-13 | Air Products And Chemicals, Inc. | Fluidized bed combustion heat transfer enhancement |
| US5069170A (en) * | 1990-03-01 | 1991-12-03 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having an integral recycle heat exchanger with inlet and outlet chambers |
| US5133943A (en) * | 1990-03-28 | 1992-07-28 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having a multicompartment external recycle heat exchanger |
| US5054436A (en) * | 1990-06-12 | 1991-10-08 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and process for operating same |
| US5069171A (en) * | 1990-06-12 | 1991-12-03 | Foster Wheeler Agency Corporation | Fluidized bed combustion system and method having an integral recycle heat exchanger with a transverse outlet chamber |
| FR2669099B1 (fr) * | 1990-11-13 | 1994-03-18 | Stein Industrie | Procede et dispositif de combustion de materiaux carbones divises. |
| US5040492A (en) * | 1991-01-14 | 1991-08-20 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having a recycle heat exchanger with a non-mechanical solids control system |
| US5140950A (en) * | 1991-05-15 | 1992-08-25 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having an integral recycle heat exchanger with recycle rate control and backflow sealing |
| US5163374A (en) * | 1991-08-27 | 1992-11-17 | Institute Of Gas Technology | Combustion process |
| FI91800C (sv) * | 1991-09-12 | 1994-08-10 | Imatran Voima Oy | Förfarande och anordning vid avkylning av cirkulationsmassan i en svävväddspanna |
| AU1449992A (en) * | 1992-03-05 | 1993-10-05 | Technische Universiteit Delft | Method and apparatus for combusting a carbonaceous material |
| US5325796A (en) * | 1992-05-22 | 1994-07-05 | Foster Wheeler Energy Corporation | Process for decreasing N2 O emissions from a fluidized bed reactor |
| US5239946A (en) * | 1992-06-08 | 1993-08-31 | Foster Wheeler Energy Corporation | Fluidized bed reactor system and method having a heat exchanger |
| US5390612A (en) * | 1993-03-01 | 1995-02-21 | Foster Wheeler Energy Corporation | Fluidized bed reactor having a furnace strip-air system and method for reducing heat content and increasing combustion efficiency of drained furnace solids |
| ZA946850B (en) * | 1993-09-13 | 1995-04-21 | Dorr Oliver Inc | Firing liquid and gaseous fuels for a circulating fluidized bed reactor |
| US5735682A (en) * | 1994-08-11 | 1998-04-07 | Foster Wheeler Energy Corporation | Fluidized bed combustion system having an improved loop seal valve |
| US5463968A (en) * | 1994-08-25 | 1995-11-07 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having a multicompartment variable duty recycle heat exchanger |
| CN1262791C (zh) * | 1998-06-16 | 2006-07-05 | 三菱重工业株式会社 | 流化床焚烧炉及其运行方法 |
| US6089855A (en) * | 1998-07-10 | 2000-07-18 | Thermo Power Corporation | Low NOx multistage combustor |
| DE10051733B4 (de) * | 2000-10-18 | 2005-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur gestuften Verbrennung von Brennstoffen |
| 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) |
| 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 |
| CN100491824C (zh) * | 2007-11-02 | 2009-05-27 | 清华大学 | 低床压降循环流化床锅炉燃烧工艺方法 |
| US8069824B2 (en) | 2008-06-19 | 2011-12-06 | Nalco Mobotec, Inc. | Circulating fluidized bed boiler and method of operation |
| FI123853B (fi) * | 2009-03-06 | 2013-11-15 | Metso Power Oy | Menetelmä typenoksidipäästöjen vähentämiseksi happipoltossa |
| FI125496B (fi) | 2009-08-17 | 2015-10-30 | Valmet Technologies Oy | Menetelmä ja järjestely palamisolosuhteiden optimoimiseksi leijukerroskattilassa |
| CN112426877B (zh) * | 2020-09-24 | 2022-07-19 | 宣城市楷昂化工有限公司 | 一种焦亚硫酸钠生产中的氮氧化物废气的处理方法及其设备 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1181682B (de) * | 1957-08-28 | 1964-11-19 | Reinluft G M B H | Verfahren zur Herstellung von Aktivkohle |
| US4033725A (en) * | 1972-02-24 | 1977-07-05 | John Zink Company | Apparatus for NOx control using steam-hydrocarbon injection |
| DE2452717A1 (de) * | 1974-11-06 | 1976-05-13 | Nissan Motor | Katalytisches konvertersystem fuer einen innenverbrennungsmotor |
| GB1488087A (en) * | 1975-03-04 | 1977-10-05 | Zink Co John | Process for disposal of oxides of nitrogen |
| US4017272A (en) * | 1975-06-05 | 1977-04-12 | Bamag Verfahrenstechnik Gmbh | Process for gasifying solid carbonaceous fuel |
| US4021184A (en) * | 1975-10-02 | 1977-05-03 | Dorr-Oliver Incorporated | Dilute phase waste incinerator |
| GB1523500A (en) * | 1975-10-21 | 1978-09-06 | Battelle Development Corp | Method of operating a fluidized bed system |
| DE2624302C2 (de) * | 1976-05-31 | 1987-04-23 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Durchführung exothermer Prozesse |
| US4103646A (en) * | 1977-03-07 | 1978-08-01 | Electric Power Research Institute, Inc. | Apparatus and method for combusting carbonaceous fuels employing in tandem a fast bed boiler and a slow boiler |
| US4154581A (en) * | 1978-01-12 | 1979-05-15 | Battelle Development Corporation | Two-zone fluid bed combustion or gasification process |
| US4158701A (en) * | 1978-11-06 | 1979-06-19 | Kaiser Aluminum & Chemical Corporation | Pyrohydrolysis system for processing fluorine-containing spent and waste materials |
| DE2911712C2 (de) * | 1979-03-24 | 1991-10-31 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur Entfernung von Schwefeloxiden und Stickstoffoxiden aus Abgasen |
-
1979
- 1979-12-26 US US06/106,745 patent/US4704084A/en not_active Expired - Lifetime
-
1980
- 1980-12-22 WO PCT/US1980/001737 patent/WO1981001873A1/en not_active Ceased
- 1980-12-22 JP JP81500438A patent/JPS56501811A/ja active Pending
- 1980-12-22 EP EP81900256A patent/EP0042418A1/en not_active Withdrawn
- 1980-12-22 BR BR8009003A patent/BR8009003A/pt unknown
- 1980-12-29 CA CA000367656A patent/CA1156516A/en not_active Expired
- 1980-12-29 DE DE8080304736T patent/DE3070358D1/de not_active Expired
- 1980-12-29 EP EP80304736A patent/EP0033808B1/en not_active Expired
- 1980-12-29 ZA ZA00808096A patent/ZA808096B/xx unknown
- 1980-12-29 AT AT80304736T patent/ATE12188T1/de not_active IP Right Cessation
-
1981
- 1981-08-25 NO NO812872A patent/NO153746C/no unknown
- 1981-08-25 DK DK375981A patent/DK150285C/da active
- 1981-08-26 FI FI812631A patent/FI69694C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1981001873A1 (en) | 1981-07-09 |
| NO812872L (no) | 1981-08-25 |
| NO153746B (no) | 1986-02-03 |
| ATE12188T1 (de) | 1985-04-15 |
| JPS56501811A (da) | 1981-12-10 |
| EP0033808B1 (en) | 1985-03-20 |
| DK150285B (da) | 1987-01-26 |
| BR8009003A (pt) | 1981-10-20 |
| NO153746C (no) | 1986-05-21 |
| ZA808096B (en) | 1982-01-27 |
| EP0042418A1 (en) | 1981-12-30 |
| FI69694B (fi) | 1985-11-29 |
| DK375981A (da) | 1981-08-25 |
| CA1156516A (en) | 1983-11-08 |
| DK150285C (da) | 1987-10-26 |
| US4704084A (en) | 1987-11-03 |
| FI812631L (fi) | 1981-08-26 |
| DE3070358D1 (en) | 1985-04-25 |
| EP0033808A1 (en) | 1981-08-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Transfer of assignment of patent |
Owner name: INTERNATIONAL PAPER COMPANY |
|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: INTERNATIONAL PAPER COMPANY |