FI884716A - Foerfarande foer minskning av kvaeveoxider i avloppsgaser. - Google Patents
Foerfarande foer minskning av kvaeveoxider i avloppsgaser. Download PDFInfo
- Publication number
- FI884716A FI884716A FI884716A FI884716A FI884716A FI 884716 A FI884716 A FI 884716A FI 884716 A FI884716 A FI 884716A FI 884716 A FI884716 A FI 884716A FI 884716 A FI884716 A FI 884716A
- Authority
- FI
- Finland
- Prior art keywords
- urea
- effluent
- mixtures
- nitrogen oxides
- furfural
- Prior art date
Links
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
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00058—Temperature measurement
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Amplifiers (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/014,431 US4770863A (en) | 1987-02-13 | 1987-02-13 | Process for the reduction of nitrogen oxides in an effluent |
PCT/US1988/000493 WO1988006140A1 (en) | 1987-02-13 | 1988-02-11 | Process for the reduction of nitrogen oxides in an effluent |
Publications (2)
Publication Number | Publication Date |
---|---|
FI884716A true FI884716A (fi) | 1988-10-13 |
FI884716A0 FI884716A0 (fi) | 1988-10-13 |
Family
ID=21765454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI884716A FI884716A0 (fi) | 1987-02-13 | 1988-10-13 | Foerfarande foer minskning av kvaeveoxider i avloppsgaser. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4770863A (fi) |
EP (1) | EP0301085B1 (fi) |
JP (1) | JPH01502497A (fi) |
AT (1) | ATE113929T1 (fi) |
AU (1) | AU592286B2 (fi) |
CA (1) | CA1311908C (fi) |
DE (1) | DE3852068T2 (fi) |
FI (1) | FI884716A0 (fi) |
WO (1) | WO1988006140A1 (fi) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4927612A (en) * | 1985-10-04 | 1990-05-22 | Fuel Tech, Inc. | Reduction of nitrogen- and carbon-based pollutants |
US4877591A (en) * | 1987-03-13 | 1989-10-31 | Fuel Tech, Inc. | Process for the reduction of nitrogen oxides in an effluent using sugar |
US5017347A (en) * | 1987-02-13 | 1991-05-21 | Fuel Tech, Inc. | Process for nitrogen oxides reduction and minimization of the production of other pollutants |
US5057293A (en) * | 1987-02-13 | 1991-10-15 | Fuel Tech, Inc. | Multi-stage process for reducing the concentration of pollutants in an effluent |
ATE113868T1 (de) * | 1988-02-26 | 1994-11-15 | Fuel Tech Inc | Verfahren zur ermässigung der konzentration von schadstoffen in abgasen. |
US4915036A (en) * | 1988-02-26 | 1990-04-10 | Fuel Tech, Inc. | Boiler and injector for reducing the concentration of pollutants in an effluent |
DE3823848A1 (de) * | 1988-07-14 | 1990-01-18 | Sueddeutsche Kalkstickstoff | Verfahren zur reduzierung von so(pfeil abwaerts)2(pfeil abwaerts)- und/oder no(pfeil abwaerts)x(pfeil abwaerts)-emissionen bei verbrennungsprozessen |
US4985218A (en) * | 1989-03-03 | 1991-01-15 | Fuel Tech, Inc. | Process and injector for reducing the concentration of pollutants in an effluent |
US5055279A (en) * | 1989-05-20 | 1991-10-08 | Skw Trostberg Aktiengesellschaft | Process for the reduction of emissions of sulphur dioxide and/or oxides of nitrogen in the case of combustion processes |
US5240689A (en) * | 1989-06-19 | 1993-08-31 | Noell, Inc. | Process using two-stage boiler injection for reduction of nitrogen |
EP0432166A1 (en) * | 1989-07-04 | 1991-06-19 | Fuel Tech Europe Limited | Lance-type injection apparatus for introducing chemical agents into flue gases |
NL8902490A (nl) * | 1989-10-06 | 1991-05-01 | Leonardus Mathijs Marie Nevels | Werkwijze voor het reinigen van rookgassen. |
US5543123A (en) * | 1990-08-01 | 1996-08-06 | Nalco Fuel Tech | Low pressure formation of a urea hydrolysate for nitrogen oxides reduction |
US5048432B1 (en) * | 1990-12-27 | 1996-07-02 | Nalco Fuel Tech | Process and apparatus for the thermal decomposition of nitrous oxide |
US5229090A (en) * | 1991-07-03 | 1993-07-20 | Nalco Fuel Tech | Process for nitrogen oxides reduction to lowest achievable level |
US5443805A (en) * | 1991-08-21 | 1995-08-22 | Massachusetts Institute Of Technology | Reduction of combustion effluent pollutants |
US5226925A (en) * | 1992-10-01 | 1993-07-13 | Texaco Inc. | Composition of matter for allophanate encapsulation in an aromatic-aliphatic |
US5292351A (en) * | 1992-11-16 | 1994-03-08 | Texaco Inc. | Composition of matter for aloyl and aroyl ureas as nitric oxide reducing agents in diesel emissions |
US5538704A (en) * | 1993-05-26 | 1996-07-23 | Air Products And Chemicals, Inc. | Reduction of ammonia slip in nitrogen oxides reduction process |
US5404841A (en) * | 1993-08-30 | 1995-04-11 | Valentine; James M. | Reduction of nitrogen oxides emissions from diesel engines |
US6258336B1 (en) | 1995-06-09 | 2001-07-10 | Gas Research Institute | Method and apparatus for NOx reduction in flue gases |
US5985222A (en) | 1996-11-01 | 1999-11-16 | Noxtech, Inc. | Apparatus and method for reducing NOx from exhaust gases produced by industrial processes |
US6280695B1 (en) | 2000-07-10 | 2001-08-28 | Ge Energy & Environmental Research Corp. | Method of reducing NOx in a combustion flue gas |
RU2596816C1 (ru) * | 2015-06-30 | 2016-09-10 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" | Способ концентрирования радиоактивных отходов |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3846981A (en) * | 1970-10-19 | 1974-11-12 | Nanaimo Enviro Syst Corp | Emission control process and system |
JPS531462B2 (fi) * | 1971-08-30 | 1978-01-19 | ||
US3801696A (en) * | 1971-11-18 | 1974-04-02 | J Mark | Apparatus for removing nitrogen oxides from engine exhaust |
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 |
JPS5067609A (fi) * | 1973-10-17 | 1975-06-06 | ||
JPS511138A (fi) * | 1974-06-24 | 1976-01-07 | Nippon Telegraph & Telephone | |
JPS5112330A (ja) * | 1974-07-22 | 1976-01-30 | Nippon Steel Corp | Nabekeidosochi |
JPS5539971B2 (fi) * | 1975-02-04 | 1980-10-15 | ||
JPS526368A (en) * | 1975-07-05 | 1977-01-18 | Hitachi Ltd | Process for reducing nitrogen oxides in exhaust combustion gases |
US4208386A (en) * | 1976-03-03 | 1980-06-17 | Electric Power Research Institute, Inc. | Urea reduction of NOx in combustion effluents |
JPS53128023A (en) * | 1977-04-15 | 1978-11-08 | Toray Ind Inc | Method for reducing the concentration of nitrogen oxide in combustion effluent gas |
US4325924A (en) * | 1977-10-25 | 1982-04-20 | Electric Power Research Institute, Inc. | Urea reduction of NOx in fuel rich combustion effluents |
US4507269A (en) * | 1983-11-10 | 1985-03-26 | Exxon Research & Engineering Co. | Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures greater than about 1300 degree K |
US4624840A (en) * | 1983-11-10 | 1986-11-25 | Exxon Research & Engineering Company | Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures greater than about 1300° K. |
-
1987
- 1987-02-13 US US07/014,431 patent/US4770863A/en not_active Expired - Lifetime
-
1988
- 1988-02-11 AU AU14286/88A patent/AU592286B2/en not_active Ceased
- 1988-02-11 CA CA000558753A patent/CA1311908C/en not_active Expired - Lifetime
- 1988-02-11 AT AT88902330T patent/ATE113929T1/de not_active IP Right Cessation
- 1988-02-11 JP JP63502302A patent/JPH01502497A/ja active Pending
- 1988-02-11 WO PCT/US1988/000493 patent/WO1988006140A1/en active IP Right Grant
- 1988-02-11 DE DE3852068T patent/DE3852068T2/de not_active Expired - Fee Related
- 1988-02-11 EP EP88902330A patent/EP0301085B1/en not_active Expired - Lifetime
- 1988-10-13 FI FI884716A patent/FI884716A0/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU1428688A (en) | 1988-09-14 |
ATE113929T1 (de) | 1994-11-15 |
EP0301085B1 (en) | 1994-11-09 |
DE3852068D1 (de) | 1994-12-15 |
DE3852068T2 (de) | 1995-03-16 |
US4770863A (en) | 1988-09-13 |
EP0301085A1 (en) | 1989-02-01 |
FI884716A0 (fi) | 1988-10-13 |
EP0301085A4 (en) | 1989-12-18 |
CA1311908C (en) | 1992-12-29 |
AU592286B2 (en) | 1990-01-04 |
JPH01502497A (ja) | 1989-08-31 |
WO1988006140A1 (en) | 1988-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed | ||
FD | Application lapsed |
Owner name: FUEL TECH, INC. |