DK0652040T3 - Fremgangsmåde og katalysator til reduktion af NOx i forbrændingsudstødningsgasser - Google Patents
Fremgangsmåde og katalysator til reduktion af NOx i forbrændingsudstødningsgasserInfo
- Publication number
- DK0652040T3 DK0652040T3 DK94203091T DK94203091T DK0652040T3 DK 0652040 T3 DK0652040 T3 DK 0652040T3 DK 94203091 T DK94203091 T DK 94203091T DK 94203091 T DK94203091 T DK 94203091T DK 0652040 T3 DK0652040 T3 DK 0652040T3
- Authority
- DK
- Denmark
- Prior art keywords
- catalyst
- combustion exhaust
- exhaust gases
- reducing nox
- molar ratio
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 2
- 238000002485 combustion reaction Methods 0.000 title abstract 2
- 239000007789 gas Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 229910021536 Zeolite Inorganic materials 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 150000001868 cobalt Chemical class 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000010457 zeolite Substances 0.000 abstract 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
- B01D53/74—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
- B01D53/8628—Processes characterised by a specific catalyst
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
- B01J29/7615—Zeolite Beta
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/208—Hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20746—Cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
- B01D2255/502—Beta zeolites
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT93MI002337A IT1266666B1 (it) | 1993-11-04 | 1993-11-04 | Processo per la riduzione catalitica di nox nei fumi di combustione |
| ITMI941091A IT1269853B (it) | 1994-05-27 | 1994-05-27 | Processo e catalizzatore per la riduzione di no(x) nei fumi di combustione |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0652040T3 true DK0652040T3 (da) | 2000-07-03 |
Family
ID=26331059
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK94203091T DK0652040T3 (da) | 1993-11-04 | 1994-10-25 | Fremgangsmåde og katalysator til reduktion af NOx i forbrændingsudstødningsgasser |
| DK99201922T DK0945166T3 (da) | 1993-11-04 | 1994-10-25 | Katalysator til reduktion af NOx i forbrændingsgasser |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK99201922T DK0945166T3 (da) | 1993-11-04 | 1994-10-25 | Katalysator til reduktion af NOx i forbrændingsgasser |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6074976A (da) |
| EP (2) | EP0945166B1 (da) |
| JP (1) | JP3543224B2 (da) |
| KR (1) | KR100359675B1 (da) |
| CN (1) | CN1117271A (da) |
| AT (2) | ATE278454T1 (da) |
| CA (1) | CA2153154A1 (da) |
| DE (2) | DE69434059T2 (da) |
| DK (2) | DK0652040T3 (da) |
| WO (1) | WO1995012447A1 (da) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11221469A (ja) * | 1995-03-17 | 1999-08-17 | Osaka Gas Co Ltd | 窒素酸化物還元用触媒及び排ガス中の窒素酸化物の還元方法 |
| ES2162642T3 (es) * | 1995-04-17 | 2002-01-01 | Enitecnologie Spa | Catalizador de reduccion de oxidos de nitrogeno y procedimiento para la reduccion de oxidos de nitrogeno en un gas de escape. |
| ES2171687T3 (es) * | 1995-06-23 | 2002-09-16 | Reilly Ind Inc | Sintesis de base de piridina. |
| EP0766992B1 (en) * | 1995-10-06 | 2003-07-30 | ENITECNOLOGIE S.p.a. | Nitrogen oxides reduction catalyst and process for reducing nitrogen oxides in exhaust gas |
| AUPO787797A0 (en) * | 1997-07-15 | 1997-08-07 | University Of Queensland, The | Catalytic conversion of gases via cation-exchangeable alumino-silicate materials |
| US6514470B1 (en) | 1999-10-28 | 2003-02-04 | The Regents Of The University Of California | Catalysts for lean burn engine exhaust abatement |
| EP1184556A3 (en) * | 2000-09-04 | 2004-01-02 | Nissan Motor Co., Ltd. | Engine exhaust emission purifier |
| US6912847B2 (en) | 2001-12-21 | 2005-07-05 | Engelhard Corporation | Diesel engine system comprising a soot filter and low temperature NOx trap |
| US6999777B1 (en) | 2001-12-21 | 2006-02-14 | Verizon Corporate Services Group Inc. | Method for providing location information of a wireless communication device |
| JP3994862B2 (ja) | 2002-06-17 | 2007-10-24 | 住友金属鉱山株式会社 | 排ガス浄化触媒及び浄化方法 |
| US6979430B2 (en) * | 2002-12-18 | 2005-12-27 | Foster Wheeler Energy Corporation | System and method for controlling NOx emissions from boilers combusting carbonaceous fuels without using external reagent |
| US20080016768A1 (en) | 2006-07-18 | 2008-01-24 | Togna Keith A | Chemically-modified mixed fuels, methods of production and used thereof |
| KR101011830B1 (ko) | 2009-09-30 | 2011-01-31 | 상명대학교 산학협력단 | 질소산화물 분해용 혼합금속산화물 촉매 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3308069A (en) * | 1964-05-01 | 1967-03-07 | Mobil Oil Corp | Catalytic composition of a crystalline zeolite |
| US4867954A (en) * | 1988-04-07 | 1989-09-19 | Uop | Catalytic reduction of nitrogen oxides |
| JPH07106300B2 (ja) * | 1989-12-08 | 1995-11-15 | 財団法人産業創造研究所 | 燃焼排ガス中の窒素酸化物除去法 |
| US5149512A (en) * | 1991-08-01 | 1992-09-22 | Air Products And Chemicals, Inc. | Catalytic reduction of NOx using methane in the presence of oxygen |
| US5171553A (en) * | 1991-11-08 | 1992-12-15 | Air Products And Chemicals, Inc. | Catalytic decomposition of N2 O |
| JPH05220403A (ja) * | 1991-12-16 | 1993-08-31 | Toyota Motor Corp | 排気ガス浄化用触媒 |
| US5316661A (en) * | 1992-07-08 | 1994-05-31 | Mobil Oil Corporation | Processes for converting feedstock organic compounds |
| DE4408772B4 (de) * | 1993-03-16 | 2006-09-07 | Mitsubishi Chemical Corp. | Verfahren zur Herstellung eines Polyoxyalkylenglykols und neues Metallaluminosilikat |
-
1994
- 1994-10-25 AT AT99201922T patent/ATE278454T1/de not_active IP Right Cessation
- 1994-10-25 DK DK94203091T patent/DK0652040T3/da active
- 1994-10-25 DE DE69434059T patent/DE69434059T2/de not_active Expired - Lifetime
- 1994-10-25 AT AT94203091T patent/ATE191363T1/de not_active IP Right Cessation
- 1994-10-25 EP EP99201922A patent/EP0945166B1/en not_active Expired - Lifetime
- 1994-10-25 DE DE69423845T patent/DE69423845T2/de not_active Expired - Lifetime
- 1994-10-25 DK DK99201922T patent/DK0945166T3/da active
- 1994-10-25 EP EP94203091A patent/EP0652040B1/en not_active Expired - Lifetime
- 1994-11-02 JP JP51312595A patent/JP3543224B2/ja not_active Expired - Fee Related
- 1994-11-02 CA CA002153154A patent/CA2153154A1/en not_active Abandoned
- 1994-11-02 KR KR1019950702749A patent/KR100359675B1/ko not_active Expired - Fee Related
- 1994-11-02 CN CN94191106A patent/CN1117271A/zh active Pending
- 1994-11-02 WO PCT/JP1994/001857 patent/WO1995012447A1/en not_active Ceased
-
1998
- 1998-09-22 US US09/158,087 patent/US6074976A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0652040A1 (en) | 1995-05-10 |
| DK0945166T3 (da) | 2005-01-24 |
| DE69423845T2 (de) | 2000-10-26 |
| DE69423845D1 (de) | 2000-05-11 |
| ATE191363T1 (de) | 2000-04-15 |
| CA2153154A1 (en) | 1995-05-11 |
| DE69434059T2 (de) | 2006-02-23 |
| JP3543224B2 (ja) | 2004-07-14 |
| JPH08507965A (ja) | 1996-08-27 |
| ATE278454T1 (de) | 2004-10-15 |
| KR960700097A (ko) | 1996-01-19 |
| US6074976A (en) | 2000-06-13 |
| DE69434059D1 (de) | 2004-11-11 |
| WO1995012447A1 (en) | 1995-05-11 |
| EP0652040B1 (en) | 2000-04-05 |
| KR100359675B1 (ko) | 2003-01-15 |
| EP0945166B1 (en) | 2004-10-06 |
| CN1117271A (zh) | 1996-02-21 |
| EP0945166A1 (en) | 1999-09-29 |
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