ZA200610234B - Layered exhaust treatment catalyst - Google Patents
Layered exhaust treatment catalyst Download PDFInfo
- Publication number
- ZA200610234B ZA200610234B ZA200610234A ZA200610234A ZA200610234B ZA 200610234 B ZA200610234 B ZA 200610234B ZA 200610234 A ZA200610234 A ZA 200610234A ZA 200610234 A ZA200610234 A ZA 200610234A ZA 200610234 B ZA200610234 B ZA 200610234B
- Authority
- ZA
- South Africa
- Prior art keywords
- layer
- catalyst
- metal component
- oxygen storage
- component
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims description 81
- 229910052760 oxygen Inorganic materials 0.000 claims description 60
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 59
- 239000001301 oxygen Substances 0.000 claims description 59
- 238000003860 storage Methods 0.000 claims description 54
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 39
- 239000000203 mixture Substances 0.000 claims description 36
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 36
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 32
- 229910044991 metal oxide Inorganic materials 0.000 claims description 28
- 150000004706 metal oxides Chemical class 0.000 claims description 28
- 239000003870 refractory metal Substances 0.000 claims description 28
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 17
- 229910052763 palladium Inorganic materials 0.000 claims description 15
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 12
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 12
- 239000010948 rhodium Substances 0.000 claims description 11
- 229910052703 rhodium Inorganic materials 0.000 claims description 11
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 11
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical group [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052878 cordierite Inorganic materials 0.000 claims description 4
- 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 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 241000907788 Cordia gerascanthus Species 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 description 22
- 239000002002 slurry Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 239000002245 particle Substances 0.000 description 14
- 239000007787 solid Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- -1 platinum group metals Chemical class 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 241000264877 Hippospongia communis Species 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 239000010970 precious metal Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910052845 zircon Inorganic materials 0.000 description 3
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000006255 coating slurry Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- VXNYVYJABGOSBX-UHFFFAOYSA-N rhodium(3+);trinitrate Chemical compound [Rh+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VXNYVYJABGOSBX-UHFFFAOYSA-N 0.000 description 2
- SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- HEHRHMRHPUNLIR-UHFFFAOYSA-N aluminum;hydroxy-[hydroxy(oxo)silyl]oxy-oxosilane;lithium Chemical compound [Li].[Al].O[Si](=O)O[Si](O)=O.O[Si](=O)O[Si](O)=O HEHRHMRHPUNLIR-UHFFFAOYSA-N 0.000 description 1
- CNLWCVNCHLKFHK-UHFFFAOYSA-N aluminum;lithium;dioxido(oxo)silane Chemical compound [Li+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O CNLWCVNCHLKFHK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000013154 diagnostic monitoring Methods 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 235000012243 magnesium silicates Nutrition 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 229910052670 petalite Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- NFOHLBHARAZXFQ-UHFFFAOYSA-L platinum(2+);dihydroxide Chemical compound O[Pt]O NFOHLBHARAZXFQ-UHFFFAOYSA-L 0.000 description 1
- NWAHZABTSDUXMJ-UHFFFAOYSA-N platinum(2+);dinitrate Chemical compound [Pt+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O NWAHZABTSDUXMJ-UHFFFAOYSA-N 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052851 sillimanite Inorganic materials 0.000 description 1
- 229910052642 spodumene Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
-
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/902—Multilayered catalyst
- B01D2255/9022—Two layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/902—Multilayered catalyst
- B01D2255/9025—Three layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/908—O2-storage component incorporated in the catalyst
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0248—Coatings comprising impregnated 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
- 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
-
- 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)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/874,051 US7795172B2 (en) | 2004-06-22 | 2004-06-22 | Layered exhaust treatment catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200610234B true ZA200610234B (en) | 2008-07-30 |
Family
ID=34981891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200610234A ZA200610234B (en) | 2004-06-22 | 2006-12-06 | Layered exhaust treatment catalyst |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7795172B2 (ko) |
| JP (1) | JP2008503345A (ko) |
| KR (1) | KR101202162B1 (ko) |
| DE (1) | DE112005001392B4 (ko) |
| WO (1) | WO2006009684A1 (ko) |
| ZA (1) | ZA200610234B (ko) |
Families Citing this family (67)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1839749B1 (en) * | 2004-12-14 | 2014-10-08 | Nissan Motor Co., Ltd. | Catalyst, exhaust gas clarifying catalyst, and method for producing catalyst |
| DE202007019615U1 (de) * | 2006-06-29 | 2014-05-20 | Umicore Ag & Co. Kg | Dreiweg-Katalysator |
| US7749472B2 (en) * | 2006-08-14 | 2010-07-06 | Basf Corporation | Phosgard, a new way to improve poison resistance in three-way catalyst applications |
| US7550124B2 (en) * | 2006-08-21 | 2009-06-23 | Basf Catalysts Llc | Layered catalyst composite |
| US7758834B2 (en) * | 2006-08-21 | 2010-07-20 | Basf Corporation | Layered catalyst composite |
| US8389432B2 (en) * | 2006-09-25 | 2013-03-05 | Umicore Ag & Co. Kg | Structured automotive catalyst with improved thermal ageing stability |
| JP5173180B2 (ja) * | 2006-10-30 | 2013-03-27 | 株式会社キャタラー | 排ガス浄化用触媒 |
| JP5100085B2 (ja) * | 2006-10-31 | 2012-12-19 | 株式会社キャタラー | 排ガス浄化用触媒 |
| EP2050496A1 (en) * | 2006-12-21 | 2009-04-22 | Cataler Corporation | Exhaust gas purifying catalyst |
| US8496899B2 (en) * | 2007-01-26 | 2013-07-30 | Cataler Corporation | Exhaust gas purifying catalyst |
| US7754171B2 (en) | 2007-02-02 | 2010-07-13 | Basf Corporation | Multilayered catalyst compositions |
| JP4793316B2 (ja) * | 2007-04-20 | 2011-10-12 | トヨタ自動車株式会社 | 硫黄吸蔵触媒 |
| US8007750B2 (en) * | 2007-07-19 | 2011-08-30 | Basf Corporation | Multilayered catalyst compositions |
| US7622096B2 (en) * | 2007-08-09 | 2009-11-24 | Basf Catalysts Llc | Multilayered catalyst compositions |
| US7922988B2 (en) * | 2007-08-09 | 2011-04-12 | Michel Deeba | Multilayered catalyst compositions |
| US7879755B2 (en) * | 2007-08-09 | 2011-02-01 | Basf Corporation | Catalyst compositions |
| US8038951B2 (en) * | 2007-08-09 | 2011-10-18 | Basf Corporation | Catalyst compositions |
| EP2042225B2 (de) * | 2007-09-28 | 2017-07-12 | Umicore AG & Co. KG | Entfernung von Partikeln aus dem Abgas von mit überwiegend stöchiometrischem Luft/Kraftstoff-Gemisch betriebenen Verbrennungsmotoren |
| US20090175773A1 (en) * | 2008-01-08 | 2009-07-09 | Chen Shau-Lin F | Multilayered Catalyst Compositions |
| EP2112339A1 (de) * | 2008-04-24 | 2009-10-28 | Umicore AG & Co. KG | Verfahren und Vorrichtung zur Reinigung von Abgasen eines Verbrennungsmotors |
| EP2301662A4 (en) * | 2008-07-17 | 2011-12-21 | Cataler Corp | EMISSION CONTROL CATALYST |
| JP5322526B2 (ja) * | 2008-07-17 | 2013-10-23 | エヌ・イーケムキャット株式会社 | 自動車から排出される排気ガスを浄化するためのハニカム構造型触媒及びその製造方法、並びに、その触媒を使用した排気ガス浄化方法 |
| CN104353457B (zh) | 2008-09-02 | 2017-05-24 | 日产自动车株式会社 | 废气净化用催化剂及其制造方法 |
| EP2177256A1 (en) * | 2008-10-15 | 2010-04-21 | Linde AG | Catalyst containing platinum and palladium for the selective reduction of NOx with hydrogen (H2-SCR) |
| US7981390B2 (en) * | 2008-12-23 | 2011-07-19 | Basf Corporation | Small engine palladium catalyst article and method of making |
| US9440192B2 (en) * | 2009-01-16 | 2016-09-13 | Basf Corporation | Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems |
| US8568675B2 (en) * | 2009-02-20 | 2013-10-29 | Basf Corporation | Palladium-supported catalyst composites |
| US8940242B2 (en) * | 2009-04-17 | 2015-01-27 | Basf Corporation | Multi-zoned catalyst compositions |
| JP5492448B2 (ja) * | 2009-04-28 | 2014-05-14 | 株式会社キャタラー | 排ガス浄化用触媒 |
| EP2427637B1 (en) * | 2009-05-04 | 2017-03-08 | BASF Corporation | Improved lean hc conversion of twc for lean burn gasoline engines |
| US8246923B2 (en) * | 2009-05-18 | 2012-08-21 | Umicore Ag & Co. Kg | High Pd content diesel oxidation catalysts with improved hydrothermal durability |
| KR20100129465A (ko) * | 2009-06-01 | 2010-12-09 | 희성촉매 주식회사 | 3중층 코팅구조의 삼원 촉매 |
| EP2457657A4 (en) * | 2009-07-24 | 2017-03-08 | Cataler Corporation | Exhaust gas purification catalyst |
| US8557203B2 (en) * | 2009-11-03 | 2013-10-15 | Umicore Ag & Co. Kg | Architectural diesel oxidation catalyst for enhanced NO2 generator |
| US8833064B2 (en) * | 2009-11-06 | 2014-09-16 | Basf Corporation | Small engine layered catalyst article and method of making |
| US8828343B2 (en) * | 2010-03-05 | 2014-09-09 | Basf Corporation | Carbon monoxide conversion catalyst |
| JP5458973B2 (ja) * | 2010-03-09 | 2014-04-02 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP5515939B2 (ja) * | 2010-03-26 | 2014-06-11 | マツダ株式会社 | 排気ガス浄化用触媒 |
| PL2579983T3 (pl) * | 2010-06-10 | 2018-08-31 | Basf Se | Katalizator do magazynowania NOx o zmniejszonym obciążeniu Rh |
| EP2579985A4 (en) * | 2010-06-10 | 2015-01-21 | Basf Se | NOX MEMORY CATALYST WITH IMPROVED HYDROCARBON FLUORATIVE ACTIVITY |
| US8784759B2 (en) | 2010-06-10 | 2014-07-22 | Basf Se | NOx storage catalyst with reduced Rh loading |
| US8734743B2 (en) | 2010-06-10 | 2014-05-27 | Basf Se | NOx storage catalyst with improved hydrocarbon conversion activity |
| JP5376261B2 (ja) * | 2011-03-10 | 2013-12-25 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP5789126B2 (ja) | 2011-05-25 | 2015-10-07 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ | 排ガス酸化触媒 |
| JP5578369B2 (ja) * | 2011-06-24 | 2014-08-27 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| US9012353B2 (en) * | 2011-08-10 | 2015-04-21 | Clean Diesel Technologies, Inc. | Palladium solid solution catayst and methods of making |
| WO2013182303A1 (en) * | 2012-06-06 | 2013-12-12 | Umicore Ag & Co. Kg | Three-way-catalyst system |
| CN104334272B (zh) * | 2012-06-06 | 2018-07-06 | 优美科股份公司及两合公司 | 用于汽油颗粒过滤器上游的启动催化剂 |
| JP5817782B2 (ja) * | 2012-06-13 | 2015-11-18 | 株式会社豊田中央研究所 | 水素製造触媒、それを用いた水素製造方法及び水素製造装置 |
| DE102013210270A1 (de) * | 2013-06-03 | 2014-12-04 | Umicore Ag & Co. Kg | Dreiwegkatalysator |
| WO2015005342A1 (ja) * | 2013-07-08 | 2015-01-15 | ユミコア日本触媒株式会社 | 窒素酸化物除去用触媒 |
| US9833771B2 (en) | 2013-11-28 | 2017-12-05 | Cataler Corporation | Exhaust gas purifying catalyst |
| JP6487851B2 (ja) * | 2013-12-13 | 2019-03-20 | 株式会社キャタラー | 排ガス浄化用触媒 |
| CN105517706B (zh) * | 2013-12-13 | 2018-08-28 | 株式会社科特拉 | 排气净化用催化剂 |
| EP2905076B1 (de) | 2014-02-06 | 2018-08-29 | Heraeus Deutschland GmbH & Co. KG | Verfahren zur herstellung eines katalysators mit hochgetemperter pd-schicht |
| US9764286B2 (en) | 2014-12-03 | 2017-09-19 | Ford Global Technologies, Llc | Zoned catalyst system for reducing N2O emissions |
| US9707545B2 (en) * | 2015-02-05 | 2017-07-18 | Johnson Matthey Public Limited Company | Three-way catalyst |
| BR112017016475B1 (pt) * | 2015-02-06 | 2022-04-12 | Johnson Matthey Public Limited Company | Catalisador de três vias, sistema de exaustão, e, método para tratar um gás de exaustão. |
| WO2016154429A1 (en) * | 2015-03-24 | 2016-09-29 | Tecogen Inc. | Poison-resistant catalyst and systems containing same |
| US20160346765A1 (en) * | 2015-06-01 | 2016-12-01 | Clean Diesel Technologies, Inc. | Combination of Pseudobrookite Oxide and Low Loading of PGM as High Sulfur-Resistant Catalyst for Diesel Oxidation Applications |
| JP6372513B2 (ja) * | 2016-04-13 | 2018-08-15 | トヨタ自動車株式会社 | 触媒コンバーター |
| US10533472B2 (en) | 2016-05-12 | 2020-01-14 | Cdti Advanced Materials, Inc. | Application of synergized-PGM with ultra-low PGM loadings as close-coupled three-way catalysts for internal combustion engines |
| CN113574255A (zh) * | 2019-03-18 | 2021-10-29 | 巴斯夫公司 | 层状三金属催化制品和制造所述催化制品的方法 |
| EP3978115A4 (en) * | 2019-05-31 | 2023-07-12 | Mitsui Mining & Smelting Co., Ltd. | EMISSION CONTROL CATALYST AND EMISSION CONTROL SYSTEM WITH THE EMISSION CONTROL CATALYST |
| BR112021025402A2 (pt) * | 2019-06-27 | 2022-02-01 | Basf Corp | Artigo catalítico em camadas, processo para a preparação de um artigo catalítico em camadas, sistema de exaustão para motores de combustão interna, métodos para tratar uma corrente de exaustão gasosa e para reduzir níveis de hidrocarbonetos e uso do artigo catalítico |
| JP7235417B2 (ja) * | 2020-08-28 | 2023-03-08 | トヨタ自動車株式会社 | 排ガス浄化装置 |
| US11788450B2 (en) * | 2020-10-30 | 2023-10-17 | Johnson Matthey Public Limited Company | TWC catalysts for gasoline engine exhaust gas treatments |
Family Cites Families (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4134860A (en) | 1977-04-29 | 1979-01-16 | Engelhard Minerals & Chemicals Corporation | Catalyst manufacture |
| US4130109A (en) * | 1977-11-25 | 1978-12-19 | Brueck Chris M | Solar energy concentrator |
| US4868148A (en) | 1987-08-24 | 1989-09-19 | Allied-Signal Inc. | Layered automotive catalytic composite |
| US4923842A (en) * | 1988-10-11 | 1990-05-08 | Allied-Signal Inc. | Lanthanum containing catalyst for treating automotive exhaust |
| US5057483A (en) | 1990-02-22 | 1991-10-15 | Engelhard Corporation | Catalyst composition containing segregated platinum and rhodium components |
| RU2153631C2 (ru) | 1990-11-26 | 2000-07-27 | Каталитика, Инк. | Способ неполного сгорания топлива (варианты) и каталитическая система, содержащая палладиевые катализаторы неполного сгорания (варианты) |
| US5376610A (en) * | 1992-04-15 | 1994-12-27 | Nissan Motor Co., Ltd. | Catalyst for exhaust gas purification and method for exhaust gas purification |
| JP3285614B2 (ja) * | 1992-07-30 | 2002-05-27 | 日本碍子株式会社 | 排ガス浄化用触媒及びその製造方法 |
| ATE178809T1 (de) | 1993-06-25 | 1999-04-15 | Engelhard Corp | Zusammengesetzten schichtkatalysator |
| ATE191658T1 (de) | 1994-06-17 | 2000-04-15 | Engelhard Corp | Zusammengesetzter katalysator mit schichtstruktur |
| US6497851B1 (en) * | 1994-12-06 | 2002-12-24 | Englehard Corporation | Engine exhaust treatment apparatus and method of use |
| US6087298A (en) | 1996-05-14 | 2000-07-11 | Engelhard Corporation | Exhaust gas treatment system |
| US5948723A (en) | 1996-09-04 | 1999-09-07 | Engelhard Corporation | Layered catalyst composite |
| US6248688B1 (en) | 1996-09-27 | 2001-06-19 | Engelhard Corporation | Catalyst composition containing oxygen storage components |
| US5898014A (en) | 1996-09-27 | 1999-04-27 | Engelhard Corporation | Catalyst composition containing oxygen storage components |
| DE69728341T2 (de) * | 1996-10-07 | 2004-12-30 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Verbundoxid, Verbundoxidträger und Katalysator |
| US6921738B2 (en) * | 1996-12-06 | 2005-07-26 | Engelhard Corporation | Catalytic metal plate |
| US6107240A (en) * | 1997-03-26 | 2000-08-22 | Engelhard Corporation | Catalyst composition containing an intimately mixed oxide of cerium and praseodymium |
| US5888464A (en) | 1997-04-08 | 1999-03-30 | Engelhard Corporation | Catalyst composition containing an intimately combined cerium-zirconium oxide |
| JPH115020A (ja) * | 1997-06-16 | 1999-01-12 | Ngk Insulators Ltd | 排ガス浄化システム |
| DE19726322A1 (de) | 1997-06-20 | 1998-12-24 | Degussa | Abgasreinigungskatalysator für Verbrennungsmotoren mit zwei katalytisch aktiven Schichten auf einem Tragkörper |
| US6348430B1 (en) | 1997-06-20 | 2002-02-19 | Degussa Ag | Exhaust gas treatment catalyst for internal combustion engines with two catalytically active layers on a carrier structure |
| BR9909986A (pt) | 1998-04-28 | 2000-12-26 | Engelhard Corp | Catalisadores monolìticos e processo afim para a fabricação |
| JP2000102728A (ja) | 1998-09-29 | 2000-04-11 | Mazda Motor Corp | 排気ガス浄化用触媒 |
| AU4237300A (en) * | 1999-04-19 | 2000-11-02 | Engelhard Corporation | Catalyst composition comprising ceria and a platinum group metal |
| US6294140B1 (en) * | 1999-04-23 | 2001-09-25 | Degussa Ag | Layered noble metal-containing exhaust gas catalyst and its preparation |
| ATE258821T1 (de) * | 2000-08-16 | 2004-02-15 | Umicore Ag & Co Kg | Abgasreinigungskatalysator für motornahen einsatz und verfahren zu seiner herstellung |
| JP4573993B2 (ja) * | 2000-11-09 | 2010-11-04 | 日産自動車株式会社 | 排気ガス浄化用触媒及びその製造方法 |
| US6777370B2 (en) * | 2001-04-13 | 2004-08-17 | Engelhard Corporation | SOx tolerant NOx trap catalysts and methods of making and using the same |
| FI20010973A (fi) * | 2001-05-09 | 2002-11-10 | Valtion Teknillinen | Katalysaattori ja menetelmä typpioksidien katalyyttiseksi pelkistämiseksi |
| WO2003011438A1 (fr) * | 2001-07-30 | 2003-02-13 | Valtion Teknillinen Tutkimuskeskus | Procede de reduction catalytique d'oxydes d'azote et catalyseur utilise dans ce procede |
| US7502144B2 (en) * | 2001-09-20 | 2009-03-10 | Naltec, Inc. | Method of preparing bit map |
| US7276212B2 (en) | 2001-10-01 | 2007-10-02 | Engelhard Corporation | Exhaust articles for internal combustion engines |
| US6764665B2 (en) * | 2001-10-26 | 2004-07-20 | Engelhard Corporation | Layered catalyst composite |
| JP4019357B2 (ja) * | 2002-05-02 | 2007-12-12 | 日産自動車株式会社 | 排気ガス浄化用触媒粉末の製造方法及び排気ガス浄化触媒の製造方法 |
| US7022646B2 (en) * | 2003-01-31 | 2006-04-04 | Engelhard Corporation | Layered catalyst composite |
| JP2005021880A (ja) * | 2003-06-13 | 2005-01-27 | Nissan Motor Co Ltd | 排ガス浄化用触媒及び排ガス浄化用触媒システム |
| JP4329432B2 (ja) * | 2003-07-15 | 2009-09-09 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| US7374729B2 (en) * | 2004-03-30 | 2008-05-20 | Basf Catalysts Llc | Exhaust gas treatment catalyst |
| FR2990690B1 (fr) | 2012-05-15 | 2016-01-01 | Eurokera | Vitroceramiques de quartz-beta, transparentes, essentiellement incolores et non diffusantes; articles en lesdites vitroceramiques; verres precurseurs |
-
2004
- 2004-06-22 US US10/874,051 patent/US7795172B2/en active Active
-
2005
- 2005-06-14 KR KR1020077001341A patent/KR101202162B1/ko active IP Right Grant
- 2005-06-14 DE DE112005001392.8T patent/DE112005001392B4/de active Active
- 2005-06-14 JP JP2007518112A patent/JP2008503345A/ja active Pending
- 2005-06-14 WO PCT/US2005/020925 patent/WO2006009684A1/en active Application Filing
-
2006
- 2006-12-06 ZA ZA200610234A patent/ZA200610234B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006009684A1 (en) | 2006-01-26 |
| KR101202162B1 (ko) | 2012-11-15 |
| US20050282701A1 (en) | 2005-12-22 |
| JP2008503345A (ja) | 2008-02-07 |
| US7795172B2 (en) | 2010-09-14 |
| DE112005001392B4 (de) | 2022-06-23 |
| KR20070039053A (ko) | 2007-04-11 |
| DE112005001392T5 (de) | 2007-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7795172B2 (en) | Layered exhaust treatment catalyst | |
| EP1438122B1 (en) | Exhaust articles for internal combustion engines | |
| US5948723A (en) | Layered catalyst composite | |
| KR101460808B1 (ko) | 디젤 배기물 처리 시스템 촉매 모니터링 | |
| US7501098B2 (en) | Exhaust gas treatment catalyst | |
| KR100484688B1 (ko) | 엔진배기가스처리장치및사용방법 | |
| AU2012240909B2 (en) | Oxidation Catalyst for Exhaust Gas Purification | |
| WO1998009726A1 (en) | Catalyst composition and method for its manufacturing | |
| KR102630312B1 (ko) | 인 저항성 삼방향 촉매 | |
| KR20220025715A (ko) | 적층 촉매 물품 및 당해 촉매 물품의 제조 방법 | |
| KR20220002926A (ko) | 금속 산화물 나노입자 기반 촉매 및 이의 제조 및 사용 방법 | |
| CN113905816A (zh) | 催化制品和制造催化制品的方法 | |
| EP4079399A1 (en) | Platinum-containing three-way catalyst for close-coupled engine application |