KR20160132091A - 3원 촉매 및 scr 촉매를 갖는, 가솔린 연소 엔진용 촉매 시스템 - Google Patents
3원 촉매 및 scr 촉매를 갖는, 가솔린 연소 엔진용 촉매 시스템 Download PDFInfo
- Publication number
- KR20160132091A KR20160132091A KR1020167028207A KR20167028207A KR20160132091A KR 20160132091 A KR20160132091 A KR 20160132091A KR 1020167028207 A KR1020167028207 A KR 1020167028207A KR 20167028207 A KR20167028207 A KR 20167028207A KR 20160132091 A KR20160132091 A KR 20160132091A
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- oxygen
- engine
- exhaust gas
- scr
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 174
- 238000002485 combustion reaction Methods 0.000 title claims description 18
- 239000007789 gas Substances 0.000 claims abstract description 61
- 238000003860 storage Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 29
- 238000000576 coating method Methods 0.000 claims description 24
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 19
- 230000003197 catalytic effect Effects 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910052763 palladium Inorganic materials 0.000 claims description 9
- 239000010948 rhodium Substances 0.000 claims description 7
- 229910052703 rhodium Inorganic materials 0.000 claims description 6
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 41
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 20
- 229910021529 ammonia Inorganic materials 0.000 abstract description 20
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 20
- 239000000203 mixture Substances 0.000 abstract description 19
- 239000000446 fuel Substances 0.000 abstract description 17
- 230000009467 reduction Effects 0.000 abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 22
- 229910052760 oxygen Inorganic materials 0.000 description 22
- 238000012360 testing method Methods 0.000 description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 21
- 239000001301 oxygen Substances 0.000 description 21
- 239000011248 coating agent Substances 0.000 description 14
- 229930195733 hydrocarbon Natural products 0.000 description 12
- 150000002430 hydrocarbons Chemical class 0.000 description 11
- 239000001272 nitrous oxide Substances 0.000 description 10
- 239000011232 storage material Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 9
- 239000010457 zeolite Substances 0.000 description 9
- 230000032683 aging Effects 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 8
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000011149 active material Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 229910052684 Cerium Inorganic materials 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 4
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 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 4
- 229910000420 cerium oxide Inorganic materials 0.000 description 4
- 229910001657 ferrierite group Inorganic materials 0.000 description 4
- 229910000510 noble metal Inorganic materials 0.000 description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- 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
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910044991 metal oxide Chemical class 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- QWDUNBOWGVRUCG-UHFFFAOYSA-N n-(4-chloro-2-nitrophenyl)acetamide Chemical compound CC(=O)NC1=CC=C(Cl)C=C1[N+]([O-])=O QWDUNBOWGVRUCG-UHFFFAOYSA-N 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 description 3
- 229910003447 praseodymium oxide Inorganic materials 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052680 mordenite Inorganic materials 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 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
- 241000269350 Anura Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical class O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- GHTGICGKYCGOSY-UHFFFAOYSA-K aluminum silicon(4+) phosphate Chemical class [Al+3].P(=O)([O-])([O-])[O-].[Si+4] GHTGICGKYCGOSY-UHFFFAOYSA-K 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910052676 chabazite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 229910003455 mixed metal oxide Chemical class 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 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
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000002468 redox effect Effects 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 150000003682 vanadium compounds Chemical class 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
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
- B01D53/92—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
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- 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
- B01D53/9431—Processes characterised by a specific device
-
- 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]
-
- 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
- B01J23/44—Palladium
-
- 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
- B01J23/464—Rhodium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/101—Three-way catalysts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
-
- 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
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
-
- 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
- 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
- B01D2255/904—Multiple catalysts
-
- 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
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/911—NH3-storage component incorporated in the catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/402—Dinitrogen oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/014—Stoichiometric gasoline engines
-
- 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
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
Description
도 2: 엔진 시험 벤치(engine test bench) 및 차량 시험을 위해 사용된 시험 디자인.
도 3: 조사된 시스템 1 내지 4에 대해 엔진 시험 벤치 상에서 FTP-75 시험 동안 배출된 기체 오염물질 탄화수소 THC(흑색), 일산화탄소 CO(암회색) 및 질소 산화물 NOx(밝은 회색)(mg/km(mg/mile) 단위)를 보여준다.
도 4: 조사된 시스템 1 내지 4에 대해 엔진 시험 벤치 상에서 FTP-75 시험 동안 배출된 2차 배출물 암모니아 NH3(흑색) 및 아산화질소 N2O(회색)(mg/km(mg/mile) 단위)를 보여준다.
도 5: 조사된 시스템 1 내지 3에 대해 1.4L 차량에 대한 FTP-75 시험 동안 배출된 기체 오염물질 탄화수소 THC(흑색), 일산화탄소 CO(암회색) 및 질소 산화물 NOx(밝은 회색)(mg/km(mg/mile) 단위)를 보여준다.
도 6: 조사된 시스템 1 내지 3에 대해 1.4L 차량에 대한 FTP-75 시험 동안 배출된 2차 배출물 암모니아 NH3(흑색) 및 아산화질소 N2O(회색)(mg/km(mg/mile) 단위)를 보여준다.
도 7: 세라믹 모놀리스의 유입구의 2.54cm(1인치) 하류에서 측정된, 엔진 시험 벤치 상에서 FTP-75 시험 동안 언더플로어 촉매 UFC 내부의 온도를 보여준다.
도 8: 세라믹 모놀리스의 유입구의 2.54cm(1인치) 하류에서 측정된, 1.4L 차량에 대한 FTP-75 시험 동안 언더플로어 촉매 UFC 내부의 온도를 보여준다.
도 9: 본 발명에 따르지 않는 2 촉매 배열과 비교하여 본 발명에 따르는 시스템의 누적 배출을 보여준다.
Claims (8)
- i) 엔진에 인접하게 배열된 3원 촉매,
ii) NH3-저장 용량을 갖는, 차량의 언더플로어에 배열된 SCR 촉매, 및
iii) SCR 촉매의 하류에 배열된 추가의 3원 촉매
의 순서를 갖는, 주로, 평균적으로, 화학양론적으로 구동되는 가솔린 연소 엔진을 갖춘 차량으로부터 유해한 배기 가스를 감소시키는 촉매 시스템으로서,
상기 SCR 촉매의 하류에 배열된 상기 추가의 3원 촉매가 상기 엔진에 인접한 3원 촉매보다 더 적은 촉매 용적 1리터당 mg의 산소-저장 용량을 갖는 것을 특징으로 하는, 촉매 시스템. - 제1항에 있어서, 상기 하류 측에 배열된 3원 촉매가 하나가 다른 하나의 상부에 배치되는 2개의 상이한 촉매적 코팅물을 갖는 것을 특징으로 하는, 촉매 시스템.
- 제2항에 있어서, 상기 기저 층이 산소-저장 물질을 포함하지 않는 것을 특징으로 하는, 촉매 시스템.
- 제3항에 있어서, 상기 기저 층이 촉매적 활성 금속으로서 팔라듐만을 갖는 것을 특징으로 하는, 촉매 시스템.
- 제4항에 있어서, 상부 층이 유일한 촉매적 활성 금속으로서의 팔라듐 및 로듐, 및 산소-저장 물질을 갖는 것을 특징으로 하는, 촉매 시스템.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 uf-SCR 촉매가 산소-저장 물질을 포함하지 않는 것을 특징으로 하는, 촉매 시스템.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 엔진에 인접한 3원 촉매와 상기 uf-SCR 촉매 사이의 거리가, 운전 조작 동안 상기 uf-SCR 촉매에 대해 300℃ 내지 400℃의 온도가 추구되도록 선택되는 것을 특징으로 하는, 촉매 시스템.
- 주로, 평균적으로, 화학양론적으로 구동되는 가솔린 연소 엔진을 갖춘 차량으로부터 유해 배기 가스를 감소시키는 방법으로서, 상기 배기 가스가 운전 조작 동안 제1항 내지 제8항에 따르는 시스템 상에서 유도되는 것을 특징으로 하는, 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014204682.3A DE102014204682A1 (de) | 2014-03-13 | 2014-03-13 | Katalysatorsystem zur Reduzierung von Schadgasen aus Benzinverbrennungsmotoren |
DE102014204682.3 | 2014-03-13 | ||
PCT/EP2015/055061 WO2015135983A1 (de) | 2014-03-13 | 2015-03-11 | Katalysatorsystem für benzinverbrennungsmotoren mit dreiwegekatalysatoren und scr-katalysator |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20160132091A true KR20160132091A (ko) | 2016-11-16 |
KR102404833B1 KR102404833B1 (ko) | 2022-06-07 |
Family
ID=52649031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020167028207A Active KR102404833B1 (ko) | 2014-03-13 | 2015-03-11 | 3원 촉매 및 scr 촉매를 갖는, 가솔린 연소 엔진용 촉매 시스템 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10022672B2 (ko) |
EP (1) | EP3116630B1 (ko) |
JP (2) | JP6842921B2 (ko) |
KR (1) | KR102404833B1 (ko) |
CN (1) | CN106102870B (ko) |
DE (1) | DE102014204682A1 (ko) |
WO (1) | WO2015135983A1 (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017082563A1 (ko) * | 2015-11-10 | 2017-05-18 | 희성촉매 주식회사 | 화학양론적 작동 가솔린 엔진용 배기정화촉매 |
JP6378222B2 (ja) * | 2016-02-12 | 2018-08-22 | トヨタ自動車株式会社 | 排ガス浄化触媒装置、排ガス浄化システム、及び排ガス浄化触媒装置の劣化検出方法 |
DE102016112657A1 (de) | 2016-07-11 | 2018-01-11 | Volkswagen Ag | Verfahren und Vorrichtung zur Abgasnachbehandlung eines Verbrennungsmotors |
DE102017113366A1 (de) * | 2017-06-19 | 2018-12-20 | Volkswagen Aktiengesellschaft | Abgasnachbehandlungssystem sowie Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors |
DE102017116405A1 (de) * | 2017-07-20 | 2017-10-26 | FEV Europe GmbH | Verfahren zum Bestimmen der Beladung eines Partikelfilters mit Asche |
DE102017130886A1 (de) * | 2017-12-21 | 2019-06-27 | Volkswagen Aktiengesellschaft | Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors |
EP3639907B1 (en) * | 2018-10-18 | 2025-03-26 | Umicore AG & Co. KG | Exhaust gas purification system for a gasoline engine |
KR102563441B1 (ko) * | 2018-11-12 | 2023-08-03 | 현대자동차 주식회사 | 배출 가스 정화 장치 |
US11187127B2 (en) | 2019-06-28 | 2021-11-30 | Deere & Company | Exhaust gas treatment system and method with four-way catalyzed filter element |
DE102019211991B4 (de) * | 2019-08-09 | 2024-08-08 | Vitesco Technologies GmbH | Otto-Motor mit im Abgasstrang angeordnetem SCR-Katalysator zur Ammoniak-Konvertierung |
JP7265449B2 (ja) * | 2019-08-21 | 2023-04-26 | 日本碍子株式会社 | 触媒劣化診断方法 |
US11300064B2 (en) | 2020-07-01 | 2022-04-12 | Ford Global Technologies, Llc | Methods and systems for an aftertreatment system |
DE102020215507A1 (de) | 2020-12-09 | 2022-06-09 | Robert Bosch Gesellschaft mit beschränkter Haftung | Abgasnachbehandlungsanordnung und Verfahren zur Nachbehandlung eines Abgases einer Brennkraftmaschine |
DE102021203096A1 (de) * | 2021-03-29 | 2022-09-29 | Volkswagen Aktiengesellschaft | Abgasnachbehandlungssystem |
DE102021118802A1 (de) * | 2021-07-21 | 2023-01-26 | Umicore Ag & Co. Kg | Abgasreinigungssystem zur Reinigung von Abgasen von Benzinmotoren |
DE102021118801A1 (de) * | 2021-07-21 | 2023-01-26 | Umicore Ag & Co. Kg | Abgasreinigungssystem zur Reinigung von Abgasen von Benzinmotoren |
JP2023054381A (ja) | 2021-10-04 | 2023-04-14 | 株式会社キャタラー | ガソリンエンジン用排ガス浄化システムおよび排ガス浄化用触媒体 |
DE102022103558A1 (de) | 2022-02-15 | 2023-08-17 | Audi Aktiengesellschaft | Vorrichtung und Verfahren zur Lambdaregelung von Ottomotoren und Kraftfahrzeug |
WO2023198572A1 (de) * | 2022-04-11 | 2023-10-19 | Umicore Ag & Co. Kg | Abgassystem für überwiegend stöchiometrisch betriebene verbrennungsmotoren aufweisend einen katalysator zur verminderung der ammoniakemissionen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001336467A (ja) * | 2000-05-24 | 2001-12-07 | Mitsubishi Motors Corp | 筒内噴射型内燃機関 |
US20120128558A1 (en) * | 2010-11-22 | 2012-05-24 | Nunan John G | Three-Way Catalyst Having an Upstream Multi-Layer Catalyst |
US20140039781A1 (en) * | 2012-08-02 | 2014-02-06 | Ford Global Technologies, Llc | Nox control during engine idle-stop operations |
Family Cites Families (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0314057B1 (de) | 1987-10-30 | 1992-06-03 | Degussa Aktiengesellschaft | Rhodium-freier Dreiwegkatalysator |
ES2042687T3 (es) | 1987-10-30 | 1993-12-16 | Degussa | Catalizador trivalente exento de platino. |
US4861743A (en) | 1987-11-25 | 1989-08-29 | Uop | Process for the production of molecular sieves |
DE4128823C2 (de) | 1991-08-30 | 2000-06-29 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Bestimmen des Speichervermögens eines Katalysators |
JP2812023B2 (ja) * | 1991-11-12 | 1998-10-15 | トヨタ自動車株式会社 | 触媒劣化度検出装置 |
DE4226394C2 (de) | 1992-08-10 | 1999-01-21 | Degussa | Verfahren zur katalytischen Autoabgasreinigung mit verbessertem Kaltstartverhalten |
CA2144627A1 (en) | 1992-09-28 | 1994-04-14 | Jack Curtis Ii Summers | Palladium-containing three-way automotive catalysts having unique support |
DE4239875C2 (de) | 1992-11-27 | 1999-02-11 | Degussa | Abgasreinigungssystem zur Verminderung der Kohlenwasserstoff-Emissionen während des Kaltstarts von Verbrennungskraftmaschinen |
US5842339A (en) * | 1997-02-26 | 1998-12-01 | Motorola Inc. | Method for monitoring the performance of a catalytic converter |
DE19714536A1 (de) | 1997-04-09 | 1998-10-15 | Degussa | Autoabgaskatalysator |
US7127883B1 (en) | 1997-11-10 | 2006-10-31 | Mitsubishi Jidosha Kogoyo Kabushiki Kaisha | Exhaust gas purifying apparatus of internal combustion engine |
DE19941051C2 (de) | 1999-08-28 | 2003-10-23 | Bosch Gmbh Robert | Sensorelement zur Bestimmung der Sauerstoffkonzentration in Gasgemischen und Verfahren zur Herstellung desselben |
US6387338B1 (en) | 2000-03-15 | 2002-05-14 | Delphi Technologies, Inc. | Preparation of multi-component Ce, Zr, Mox high oxygen-ion-conduct/oxygen-storage-capacity materials |
DE10025034A1 (de) | 2000-05-20 | 2001-11-22 | Dmc2 Degussa Metals Catalysts | Verfahren zum Betreiben einer Abgasreinigungsvorrichtung an einem Otto-Motor |
ATE258821T1 (de) | 2000-08-16 | 2004-02-15 | Umicore Ag & Co Kg | Abgasreinigungskatalysator für motornahen einsatz und verfahren zu seiner herstellung |
JP3835140B2 (ja) * | 2000-08-30 | 2006-10-18 | 日産自動車株式会社 | エンジンの空燃比制御装置 |
US6468941B1 (en) | 2000-10-17 | 2002-10-22 | Delphi Technologies, Inc. | Niobium containing zirconium-cerium based soild solutions |
DE10103772C2 (de) | 2001-01-27 | 2003-05-08 | Omg Ag & Co Kg | Verfahren zum Betreiben eines Dreiweg-Katalysators, welcher eine Sauerstoff speichernde Komponente enthält |
US7041622B2 (en) | 2002-02-06 | 2006-05-09 | Delphi Technologies, Inc. | Catalyst, an exhaust emission control device and a method of using the same |
DE10216724C1 (de) | 2002-04-16 | 2003-10-09 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Breitband-Lamdasonde |
DE10308287B4 (de) | 2003-02-26 | 2006-11-30 | Umicore Ag & Co. Kg | Verfahren zur Abgasreinigung |
WO2005092482A1 (ja) * | 2004-03-05 | 2005-10-06 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 排ガス浄化装置 |
WO2005113126A1 (en) | 2004-04-28 | 2005-12-01 | Geo2 Technologies, Inc. | Nonwoven composites and related products and methods |
US7213395B2 (en) | 2004-07-14 | 2007-05-08 | Eaton Corporation | Hybrid catalyst system for exhaust emissions reduction |
JP5210306B2 (ja) | 2006-06-29 | 2013-06-12 | ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト | 三元触媒 |
EP1911506B1 (de) | 2006-10-06 | 2009-08-19 | Umicore AG & Co. KG | Stickoxidspeicherkatalysator mit abgesenkter Entschwefelungstemperatur |
DE502007003465D1 (de) | 2007-02-23 | 2010-05-27 | Umicore Ag & Co Kg | Katalytisch aktiviertes Dieselpartikelfilter mit Ammoniak-Sperrwirkung |
WO2008106519A1 (en) | 2007-02-27 | 2008-09-04 | Basf Catalysts Llc | Copper cha zeolite catalysts |
US7998423B2 (en) | 2007-02-27 | 2011-08-16 | Basf Corporation | SCR on low thermal mass filter substrates |
DE502007005188D1 (de) | 2007-03-19 | 2010-11-11 | Umicore Ag & Co Kg | Doppelschichtiger Dreiweg-Katalysator |
ATE477849T1 (de) | 2007-03-19 | 2010-09-15 | Umicore Ag & Co Kg | Palladium-rhodium einfachschicht katalysator |
DE102007046158B4 (de) | 2007-09-27 | 2014-02-13 | Umicore Ag & Co. Kg | Verwendung eines katalytisch aktiven Partikelfilters zur Entfernung von Partikeln aus dem Abgas von mit überwiegend stöchiometrischem Luft/Kraftstoff-Gemisch betriebenen Verbrennungsmotoren |
ATE457813T1 (de) | 2007-09-28 | 2010-03-15 | Umicore Ag & Co Kg | Entfernung von partikeln aus dem abgas von mit überwiegend stöchiometrischem luft/kraftstoff- gemisch betriebenen verbrennungsmotoren |
JP2009167973A (ja) * | 2008-01-18 | 2009-07-30 | Mazda Motor Corp | 排気ガス浄化触媒装置及び排気ガス浄化方法 |
US8776498B2 (en) | 2008-04-16 | 2014-07-15 | Ford Global Technologies, Llc | Air-injection system to improve effectiveness of selective catalytic reduction catalyst for gasoline engines |
US8393140B2 (en) * | 2008-05-02 | 2013-03-12 | GM Global Technology Operations LLC | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines |
US9180408B2 (en) * | 2008-05-02 | 2015-11-10 | GM Global Technology Operations LLC | Fuel efficient ammonia generation strategy for lean-burn engines utilizing passive NH3-SCR for the control of NOx |
DE102008002734A1 (de) | 2008-06-27 | 2009-12-31 | Robert Bosch Gmbh | Lambdasonde |
JP5386121B2 (ja) | 2008-07-25 | 2014-01-15 | エヌ・イーケムキャット株式会社 | 排気ガス浄化触媒装置、並びに排気ガス浄化方法 |
US8291695B2 (en) | 2008-12-05 | 2012-10-23 | GM Global Technology Operations LLC | Method and apparatus for controlling exhaust emissions in a spark-ignition direct-injection engine |
US20120247088A1 (en) | 2009-02-23 | 2012-10-04 | Douglas Munroe Beall | Exhaust gas after-treatment system |
GB0903262D0 (en) | 2009-02-26 | 2009-04-08 | Johnson Matthey Plc | Filter |
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 |
US20100287915A1 (en) | 2009-05-13 | 2010-11-18 | Southwest Research Institute | Integrated PM Filter and SCR Catalyst for Lean Burn Engine |
US8522536B2 (en) | 2009-05-21 | 2013-09-03 | Southwest Research Institute | Exhaust aftertreatment systems for gasoline and alternative-fueled engines, with reduction of HC, CO, NOx, and PM |
JP5375554B2 (ja) * | 2009-11-24 | 2013-12-25 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
DE102010014468B4 (de) * | 2010-04-09 | 2013-10-31 | Umicore Ag & Co. Kg | Verfahren zur Verminderung von Lachgas bei der Abgasnachbehandlung von Magermotoren |
US8815189B2 (en) | 2010-04-19 | 2014-08-26 | Basf Corporation | Gasoline engine emissions treatment systems having particulate filters |
DE102010055147A1 (de) | 2010-12-18 | 2012-06-21 | Volkswagen Ag | Vier-Wege-Katalysator, seine Verwendung sowie Fahrzeug mit einem solchen |
US8661788B2 (en) | 2010-12-29 | 2014-03-04 | GM Global Technology Operations LLC | Exhaust aftertreatment systems that include an ammonia-SCR catalyst promoted with an oxygen storage material |
CN108671908A (zh) | 2011-06-21 | 2018-10-19 | 优美科股份公司及两合公司 | 用于在载体氧化物上沉积金属的方法 |
US8789356B2 (en) | 2011-07-28 | 2014-07-29 | Johnson Matthey Public Limited Company | Zoned catalytic filters for treatment of exhaust gas |
US20130047583A1 (en) | 2011-08-31 | 2013-02-28 | Caterpillar Inc. | Aftertreatment system |
KR101338068B1 (ko) | 2011-11-28 | 2013-12-06 | 현대자동차주식회사 | Sdpf 및 그 제조방법 |
DE102011121971A1 (de) | 2011-12-21 | 2013-07-11 | Süd-Chemie AG | Verfahren zur Modifikation der Porengröße von Zeolithen |
EP2650042B2 (en) | 2012-04-13 | 2020-09-02 | Umicore AG & Co. KG | Pollutant abatement system for gasoline vehicles |
-
2014
- 2014-03-13 DE DE102014204682.3A patent/DE102014204682A1/de not_active Withdrawn
-
2015
- 2015-03-11 CN CN201580013578.3A patent/CN106102870B/zh active Active
- 2015-03-11 WO PCT/EP2015/055061 patent/WO2015135983A1/de active Application Filing
- 2015-03-11 EP EP15709181.0A patent/EP3116630B1/de active Active
- 2015-03-11 US US15/124,481 patent/US10022672B2/en active Active
- 2015-03-11 JP JP2016557051A patent/JP6842921B2/ja active Active
- 2015-03-11 KR KR1020167028207A patent/KR102404833B1/ko active Active
-
2019
- 2019-11-07 JP JP2019202431A patent/JP2020034001A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001336467A (ja) * | 2000-05-24 | 2001-12-07 | Mitsubishi Motors Corp | 筒内噴射型内燃機関 |
US20120128558A1 (en) * | 2010-11-22 | 2012-05-24 | Nunan John G | Three-Way Catalyst Having an Upstream Multi-Layer Catalyst |
US20140039781A1 (en) * | 2012-08-02 | 2014-02-06 | Ford Global Technologies, Llc | Nox control during engine idle-stop operations |
Also Published As
Publication number | Publication date |
---|---|
JP2020034001A (ja) | 2020-03-05 |
US20170014766A1 (en) | 2017-01-19 |
EP3116630B1 (de) | 2018-06-06 |
JP6842921B2 (ja) | 2021-03-17 |
JP2017515030A (ja) | 2017-06-08 |
EP3116630A1 (de) | 2017-01-18 |
DE102014204682A1 (de) | 2015-10-01 |
CN106102870A (zh) | 2016-11-09 |
US10022672B2 (en) | 2018-07-17 |
CN106102870B (zh) | 2020-02-07 |
KR102404833B1 (ko) | 2022-06-07 |
WO2015135983A1 (de) | 2015-09-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102404833B1 (ko) | 3원 촉매 및 scr 촉매를 갖는, 가솔린 연소 엔진용 촉매 시스템 | |
KR102292153B1 (ko) | 3원 촉매 변환기 | |
US8475753B2 (en) | Exhaust-gas aftertreatment system with catalytically active wall-flow filter with storage function upstream of catalytic converter with identical storage function | |
KR101797919B1 (ko) | 희박 연소 엔진용 배기 가스 후처리에서 질소 산화물 고갈 방법 및 배기 가스 시스템 | |
KR101572824B1 (ko) | 배기 가스 내의 NOx를 처리하기 위한 방법 및 그를 위한 시스템 | |
RU2548997C2 (ru) | Выхлопная система двигателя внутреннего сгорания с принудительным воспламенением топлива транспортного средства | |
KR20130138203A (ko) | 디젤 엔진의 배기 가스로부터 질소 산화물을 제거하기 위한 촉매 컨버터 | |
US20120247088A1 (en) | Exhaust gas after-treatment system | |
KR20090115736A (ko) | 암모니아 포집 효과를 갖는 촉매 활성 디젤 미립자 필터 | |
US10047653B2 (en) | Regeneration method for exhaust-gas aftertreatment systems | |
US20170226917A1 (en) | System and method for cleaning exhaust gas while avoiding nitrous oxide | |
US12188392B2 (en) | Exhaust gas system for purifying exhaust gases of gasoline engine | |
US20240369009A1 (en) | Exhaust gas purification system for purifying exhaust gases of gasoline engines | |
CN105050691B (zh) | 具有改善的NOx转化率的SCR催化转化器 | |
US20240001299A1 (en) | Exhaust gas purification system for stoichiometric-combustion engines | |
CN118632737A (zh) | 用于主要以化学计量方式运行的内燃机、包含用于减少氨排放的催化剂的废气系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0105 | International application |
Patent event date: 20161011 Patent event code: PA01051R01D Comment text: International Patent Application |
|
PG1501 | Laying open of application | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20200227 Comment text: Request for Examination of Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20210918 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20220323 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20220530 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20220531 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration |