ZA200503957B - Exhaust gas purifying catalyst and method for purifying exhaust gas - Google Patents
Exhaust gas purifying catalyst and method for purifying exhaust gas Download PDFInfo
- Publication number
- ZA200503957B ZA200503957B ZA200503957A ZA200503957A ZA200503957B ZA 200503957 B ZA200503957 B ZA 200503957B ZA 200503957 A ZA200503957 A ZA 200503957A ZA 200503957 A ZA200503957 A ZA 200503957A ZA 200503957 B ZA200503957 B ZA 200503957B
- Authority
- ZA
- South Africa
- Prior art keywords
- catalyst
- zeolite
- exhaust gas
- copper
- zsm
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims description 75
- 238000000034 method Methods 0.000 title claims description 20
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 59
- 239000010457 zeolite Substances 0.000 claims description 59
- 229910021536 Zeolite Inorganic materials 0.000 claims description 58
- 239000007789 gas Substances 0.000 claims description 43
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 28
- 230000003197 catalytic effect Effects 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 229910052684 Cerium Inorganic materials 0.000 claims description 6
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 69
- 238000000746 purification Methods 0.000 description 22
- 239000000843 powder Substances 0.000 description 12
- 239000004215 Carbon black (E152) Substances 0.000 description 11
- 229930195733 hydrocarbon Natural products 0.000 description 11
- 150000002430 hydrocarbons Chemical class 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 10
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 9
- 239000005751 Copper oxide Substances 0.000 description 9
- 229910000431 copper oxide Inorganic materials 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 3
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 3
- 229910052878 cordierite Inorganic materials 0.000 description 3
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 235000019837 monoammonium phosphate Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- -1 ceriumborate Chemical compound 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000505 Al2TiO5 Inorganic materials 0.000 description 1
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- VGBWDOLBWVJTRZ-UHFFFAOYSA-K cerium(3+);triacetate Chemical compound [Ce+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VGBWDOLBWVJTRZ-UHFFFAOYSA-K 0.000 description 1
- OZECDDHOAMNMQI-UHFFFAOYSA-H cerium(3+);trisulfate Chemical compound [Ce+3].[Ce+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O OZECDDHOAMNMQI-UHFFFAOYSA-H 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000011369 resultant mixture Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 1
- NFMWFGXCDDYTEG-UHFFFAOYSA-N trimagnesium;diborate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]B([O-])[O-].[O-]B([O-])[O-] NFMWFGXCDDYTEG-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- B01J29/80—Mixtures of different zeolites
-
- 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
-
- 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
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
-
- 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
- B01J29/82—Phosphates
-
- 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
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- 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
-
- 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
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
- B01J29/46—Iron group metals or copper
-
- 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
- B01J29/7007—Zeolite Beta
-
- 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
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002333629 | 2002-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200503957B true ZA200503957B (en) | 2006-06-28 |
Family
ID=32321704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200503957A ZA200503957B (en) | 2002-11-18 | 2005-05-17 | Exhaust gas purifying catalyst and method for purifying exhaust gas |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7393804B2 (fr) |
| EP (1) | EP1579911A4 (fr) |
| JP (1) | JP4425797B2 (fr) |
| KR (1) | KR100719074B1 (fr) |
| CN (2) | CN1711135A (fr) |
| CA (1) | CA2506470C (fr) |
| WO (1) | WO2004045766A1 (fr) |
| ZA (1) | ZA200503957B (fr) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8381299B2 (en) | 2006-02-28 | 2013-02-19 | The Trustees Of Columbia University In The City Of New York | Systems, methods, and media for outputting a dataset based upon anomaly detection |
| DE102006020158B4 (de) * | 2006-05-02 | 2009-04-09 | Argillon Gmbh | Extrudierter Vollkatalysator sowie Verfahren zu seiner Herstellung |
| CN101134172B (zh) * | 2006-08-31 | 2010-10-27 | 中国石油化工股份有限公司 | 一种烃类转化催化剂 |
| TWI596444B (zh) * | 2006-08-31 | 2017-08-21 | 尼康股份有限公司 | Exposure method and device, and device manufacturing method |
| CN101134913B (zh) * | 2006-08-31 | 2011-05-18 | 中国石油化工股份有限公司 | 一种烃类催化转化方法 |
| CN104375390B (zh) * | 2006-08-31 | 2017-10-13 | 株式会社尼康 | 移动体驱动系统及方法、图案形成装置及方法、曝光装置及方法、组件制造方法 |
| US8789172B2 (en) | 2006-09-18 | 2014-07-22 | The Trustees Of Columbia University In The City Of New York | Methods, media, and systems for detecting attack on a digital processing device |
| JP5141063B2 (ja) | 2007-03-26 | 2013-02-13 | トヨタ自動車株式会社 | 排ガス浄化装置 |
| DE102007018612A1 (de) * | 2007-04-19 | 2008-10-23 | Süd-Chemie AG | Katalysatorformkörper |
| JP2009262098A (ja) * | 2008-04-28 | 2009-11-12 | Ne Chemcat Corp | 選択還元触媒を用いた排気ガス浄化方法 |
| US9079162B2 (en) | 2008-04-28 | 2015-07-14 | BASF SE Ludwigshafen | Fe-BEA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOX in gas streams |
| WO2010068059A2 (fr) * | 2008-12-12 | 2010-06-17 | 한국에너지기술연구원 | Catalyseurs à double fonction pour la décomposition et l'oxydation du monoxyde d'azote, catalyseurs mixtes pour un dispositif de réduction de gaz d'échappement comprenant ces catalyseurs et procédé de préparation de ces catalyseurs |
| CN101579639B (zh) * | 2009-06-24 | 2011-10-05 | 江苏优士化学有限公司 | 一种用于合成脂肪腈的催化剂及其制备方法和应用 |
| US20130030232A1 (en) | 2010-01-20 | 2013-01-31 | Jx Nippon Oil & Energy Corporation | Catalyst for production of monocyclic aromatic hydrocarbons and method of producing monocyclic aromatic hydrocarbons |
| CA2795522A1 (fr) * | 2010-04-08 | 2011-10-13 | Basf Se | Catalyseur a zeolithes mixtes fe-bea/fe-mfi et procede de traitement de nox dans des courants gazeux a l'aide de ce catalyseur |
| WO2012131914A1 (fr) | 2011-03-29 | 2012-10-04 | イビデン株式会社 | Structure en nid d'abeille et appareil de purification des gaz d'échappement |
| CN102258941A (zh) * | 2011-04-14 | 2011-11-30 | 李书伟 | 一种改性活化分子筛除味喷剂溶液及其制备方法 |
| RU2543168C2 (ru) * | 2011-09-07 | 2015-02-27 | Закрытое Акционерное Общество "Саровские Лаборатории", Российская Федерация, | Состав адсорбента для удаления токсичных веществ из выхлопных газов автомобиля и способ его изготовления |
| KR102047145B1 (ko) * | 2011-10-05 | 2019-11-20 | 바스프 에스이 | Cu-CHA/Fe-BEA 혼합 제올라이트 촉매 및 가스 스트림 중의 NOx의 처리 방법 |
| US9999877B2 (en) | 2011-10-05 | 2018-06-19 | Basf Se | Cu-CHA/Fe-BEA mixed zeolite catalyst and process for the treatment of NOx in gas streams |
| JP6239584B2 (ja) | 2013-02-21 | 2017-11-29 | Ｊｘｔｇエネルギー株式会社 | 単環芳香族炭化水素の製造方法 |
| DE102015204012A1 (de) * | 2015-03-05 | 2016-09-08 | Clariant International Ltd. | SCR-Katalysator mit verbesserter Haftung |
| CN105413738B (zh) * | 2015-11-06 | 2019-01-15 | 中国第一汽车股份有限公司 | 高能球磨法scr分子筛催化剂及其制备方法 |
| CN105595467A (zh) * | 2015-11-13 | 2016-05-25 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的口罩 |
| CN105361288A (zh) * | 2015-11-13 | 2016-03-02 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的口罩 |
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| CN105212359A (zh) * | 2015-11-13 | 2016-01-06 | 无锡桥阳机械制造有限公司 | 一种防治雾霾的口罩 |
| US10105689B2 (en) * | 2016-05-12 | 2018-10-23 | Saudi Arabian Oil Company | Heat generating catalyst for hydrocarbons cracking |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS60125250A (ja) | 1983-12-08 | 1985-07-04 | Shiyuuichi Kagawa | 窒素酸化物の接触分解触媒及びその使用方法 |
| JP2536104B2 (ja) * | 1988-11-19 | 1996-09-18 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP2789271B2 (ja) * | 1991-11-21 | 1998-08-20 | 長谷川香料株式会社 | 香料組成物 |
| JPH05220403A (ja) | 1991-12-16 | 1993-08-31 | Toyota Motor Corp | 排気ガス浄化用触媒 |
| JP2871948B2 (ja) * | 1992-04-20 | 1999-03-17 | 古河電気工業株式会社 | ポリフェニレンスルフィド樹脂系粉体塗料組成物 |
| US5407880A (en) * | 1992-11-09 | 1995-04-18 | Nissan Motor Co., Ltd. | Catalysts for adsorption of hydrocarbons |
| JP3511638B2 (ja) * | 1993-06-11 | 2004-03-29 | 東ソー株式会社 | 排ガス浄化方法 |
| JPH07144134A (ja) * | 1993-11-25 | 1995-06-06 | Idemitsu Kosan Co Ltd | 排気ガス浄化用触媒 |
| JPH07289910A (ja) | 1994-04-28 | 1995-11-07 | Idemitsu Kosan Co Ltd | 排ガス浄化用触媒 |
| JPH08173761A (ja) * | 1994-12-26 | 1996-07-09 | Tosoh Corp | 窒素酸化物の除去方法 |
| JPH11300211A (ja) | 1998-04-24 | 1999-11-02 | Nissan Motor Co Ltd | 排気ガス浄化用触媒及び排気ガス浄化方法 |
| DE10020100A1 (de) * | 2000-04-22 | 2001-10-31 | Dmc2 Degussa Metals Catalysts | Verfahren und Katalysator zur Reduktion von Stickoxiden |
| US6489259B2 (en) * | 2000-12-29 | 2002-12-03 | Delphi Technologies, Inc. | Mixed zeolite NOx catalyst |
-
2003
- 2003-11-18 CN CNA200380103507XA patent/CN1711135A/zh active Pending
- 2003-11-18 KR KR1020057008497A patent/KR100719074B1/ko active IP Right Grant
- 2003-11-18 EP EP03772855A patent/EP1579911A4/fr not_active Ceased
- 2003-11-18 US US10/535,331 patent/US7393804B2/en not_active Expired - Lifetime
- 2003-11-18 CA CA2506470A patent/CA2506470C/fr not_active Expired - Fee Related
- 2003-11-18 JP JP2004553189A patent/JP4425797B2/ja not_active Expired - Fee Related
- 2003-11-18 CN CN200910139514.4A patent/CN101607209B/zh not_active Expired - Fee Related
- 2003-11-18 WO PCT/JP2003/014650 patent/WO2004045766A1/fr active Application Filing
-
2005
- 2005-05-17 ZA ZA200503957A patent/ZA200503957B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1711135A (zh) | 2005-12-21 |
| CN101607209B (zh) | 2014-07-02 |
| KR20050072141A (ko) | 2005-07-08 |
| EP1579911A1 (fr) | 2005-09-28 |
| EP1579911A4 (fr) | 2010-06-02 |
| CN101607209A (zh) | 2009-12-23 |
| WO2004045766A1 (fr) | 2004-06-03 |
| JP4425797B2 (ja) | 2010-03-03 |
| US20060014630A1 (en) | 2006-01-19 |
| CA2506470A1 (fr) | 2004-06-03 |
| JPWO2004045766A1 (ja) | 2006-03-16 |
| CA2506470C (fr) | 2010-10-26 |
| US7393804B2 (en) | 2008-07-01 |
| KR100719074B1 (ko) | 2007-05-16 |
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