JP2015006663A - 汚染に耐性を有する自動車排気ガス処理触媒、および自動車の排気ガスを処理する方法 - Google Patents
汚染に耐性を有する自動車排気ガス処理触媒、および自動車の排気ガスを処理する方法 Download PDFInfo
- Publication number
- JP2015006663A JP2015006663A JP2014121985A JP2014121985A JP2015006663A JP 2015006663 A JP2015006663 A JP 2015006663A JP 2014121985 A JP2014121985 A JP 2014121985A JP 2014121985 A JP2014121985 A JP 2014121985A JP 2015006663 A JP2015006663 A JP 2015006663A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- catalyst
- exhaust gas
- washcoat
- automobile exhaust
- 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 242
- 238000011109 contamination Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 12
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 70
- 239000000126 substance Substances 0.000 claims abstract description 48
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 43
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 41
- 239000010953 base metal Substances 0.000 claims abstract description 40
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims description 67
- 239000000758 substrate Substances 0.000 claims description 64
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 49
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 43
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 43
- 239000010970 precious metal Substances 0.000 claims description 35
- 238000003860 storage Methods 0.000 claims description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 32
- 229910052760 oxygen Inorganic materials 0.000 claims description 32
- 239000001301 oxygen Substances 0.000 claims description 32
- 150000001875 compounds Chemical class 0.000 claims description 28
- 238000011049 filling Methods 0.000 claims description 23
- 239000003921 oil Substances 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 21
- 239000000446 fuel Substances 0.000 claims description 14
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical group [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 9
- 229910052684 Cerium Inorganic materials 0.000 claims description 8
- 229910052779 Neodymium Inorganic materials 0.000 claims description 8
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 8
- 239000013056 hazardous product Substances 0.000 claims description 8
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 6
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 6
- 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 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims description 5
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 5
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 5
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052772 Samarium Inorganic materials 0.000 claims description 3
- 231100000419 toxicity Toxicity 0.000 claims description 3
- 230000001988 toxicity Effects 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052773 Promethium Inorganic materials 0.000 claims description 2
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 claims description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims 1
- 229910000314 transition metal oxide Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 18
- 230000002411 adverse Effects 0.000 abstract description 7
- 238000001556 precipitation Methods 0.000 abstract description 7
- 239000000356 contaminant Substances 0.000 abstract description 6
- 230000002829 reductive effect Effects 0.000 abstract description 5
- 239000002272 engine oil additive Substances 0.000 abstract description 4
- 239000002816 fuel additive Substances 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract description 4
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 248
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 79
- 229910052698 phosphorus Inorganic materials 0.000 description 53
- 239000011574 phosphorus Substances 0.000 description 41
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 40
- 239000000203 mixture Substances 0.000 description 33
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 30
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 30
- 229910052751 metal Inorganic materials 0.000 description 26
- 239000002184 metal Substances 0.000 description 26
- 239000011701 zinc Substances 0.000 description 26
- 239000012736 aqueous medium Substances 0.000 description 24
- 239000010948 rhodium Substances 0.000 description 23
- 239000011575 calcium Substances 0.000 description 21
- 229910052725 zinc Inorganic materials 0.000 description 21
- 239000011230 binding agent Substances 0.000 description 20
- 239000002131 composite material Substances 0.000 description 20
- 229910052703 rhodium Inorganic materials 0.000 description 20
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 20
- 229910052791 calcium Inorganic materials 0.000 description 18
- 230000003197 catalytic effect Effects 0.000 description 18
- 239000000463 material Substances 0.000 description 18
- 239000000243 solution Substances 0.000 description 18
- 239000000383 hazardous chemical Substances 0.000 description 17
- 239000007787 solid Substances 0.000 description 17
- 238000000576 coating method Methods 0.000 description 15
- 229910052763 palladium Inorganic materials 0.000 description 15
- 239000008199 coating composition Substances 0.000 description 14
- 238000009472 formulation Methods 0.000 description 13
- 230000004323 axial length Effects 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 12
- 239000011572 manganese Substances 0.000 description 12
- 239000002609 medium Substances 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 11
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 11
- 229930195733 hydrocarbon Natural products 0.000 description 11
- 150000002430 hydrocarbons Chemical class 0.000 description 11
- 239000003440 toxic substance Substances 0.000 description 11
- 229910052748 manganese Inorganic materials 0.000 description 10
- 239000010705 motor oil Substances 0.000 description 10
- 229910052697 platinum Inorganic materials 0.000 description 10
- -1 platinum group metals Chemical class 0.000 description 10
- 229910052717 sulfur Inorganic materials 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 231100000167 toxic agent Toxicity 0.000 description 9
- 239000004215 Carbon black (E152) Substances 0.000 description 8
- 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 8
- 229910000480 nickel oxide Inorganic materials 0.000 description 8
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 229910052788 barium Inorganic materials 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 7
- 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 7
- 229910052712 strontium Inorganic materials 0.000 description 7
- 239000011593 sulfur Substances 0.000 description 7
- ANHQLUBMNSSPBV-UHFFFAOYSA-N 4h-pyrido[3,2-b][1,4]oxazin-3-one Chemical group C1=CN=C2NC(=O)COC2=C1 ANHQLUBMNSSPBV-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 6
- 150000002910 rare earth metals Chemical class 0.000 description 6
- 230000002588 toxic effect Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- 150000003752 zinc compounds Chemical class 0.000 description 5
- 241000003832 Lantana Species 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 229910000420 cerium oxide Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 150000002696 manganese Chemical class 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 4
- 231100000614 poison Toxicity 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- MORLYCDUFHDZKO-UHFFFAOYSA-N 3-[hydroxy(phenyl)phosphoryl]propanoic acid Chemical compound OC(=O)CCP(O)(=O)C1=CC=CC=C1 MORLYCDUFHDZKO-UHFFFAOYSA-N 0.000 description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000007866 anti-wear additive Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 3
- 239000011133 lead Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
- 150000003018 phosphorus compounds Chemical class 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 241000894007 species Species 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 229910052878 cordierite Inorganic materials 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 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 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052762 osmium Inorganic materials 0.000 description 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- MRMOZBOQVYRSEM-UHFFFAOYSA-N tetraethyllead Chemical compound CC[Pb](CC)(CC)CC MRMOZBOQVYRSEM-UHFFFAOYSA-N 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 2
- MBBWTVUFIXOUBE-UHFFFAOYSA-L zinc;dicarbamodithioate Chemical compound [Zn+2].NC([S-])=S.NC([S-])=S MBBWTVUFIXOUBE-UHFFFAOYSA-L 0.000 description 2
- 239000005069 Extreme pressure additive Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 241000404883 Pisa Species 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 150000001785 cerium compounds Chemical class 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003254 gasoline additive Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 150000003017 phosphorus Chemical class 0.000 description 1
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 150000003438 strontium compounds Chemical class 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 150000003755 zirconium compounds Chemical class 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
- B01D53/9445—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
- 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
- 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
-
- 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
- B01J23/58—Platinum group metals with alkali- or alkaline earth 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
- 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
- B01J33/00—Protection of catalysts, e.g. by coating
-
- 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
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
-
- 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
-
- 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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
【解決手段】1種又はそれ以上の貴金属成分を含有する2つのウォッシュコート層16,18上に被覆され、多孔質耐火性酸化物と1種又はそれ以上の卑金属酸化物とを有する上塗層20を持つ触媒2で、上塗層20にリン及びこれ以外の汚染物質が沈殿することにより、下にある貴金属含有ウォッシュコート16,18の汚染や、不都合な相互作用が軽減され、実施形態として、触媒部材2の上流端19を上塗層20により被覆し、上流部分に有害物質捕獲領域21を作る自動車排ガス処理触媒2。
【選択図】図2
Description
この実施例では、本発明の一実施形態に基づく、排気ガス処理に有用な2層被覆調合の例を示す。この2層調合は、基材担持体上に被覆された3元コンバージョン触媒被覆である。この担持体は、円筒状のコージライトのモノリシック・ハニカムであり、直径は、3.66インチ、長さ5.81インチ、セル密度は600cpsi(平方インチ当りのセル数)、セル壁厚さは約3.5ミルである。全体体積は1リットルまたは61立方インチである。〜40%の固形分を有する水溶性の媒体形態の第1層を、基材の表面に塗付した。第1層の水溶性媒体は、硝酸パラジウム溶液として、プラネタリミキサーで1157gの10%バリア安定化γアルミナ、109gのストロンチア、109gのランタニア、101gのネオジミアおよび33.6gのジルコニア結合剤中に含浸させた14.1gのパラジウムを含有した。被覆された担持体は、次に530℃で2時間焼成され、約108gの乾燥ウォッシュコートが得られた。
この実施例では、本発明の一実施形態に基づく、排気ガス処理に有用な、汚染に対して耐性を有する3層被覆調合の例を示す。この3層調合は、実施例1の第1触媒層と第2触媒層とを用い、加えて第3層を実施例1の第2層上に被覆した。〜20%の固形分を有する水溶性の媒体形態の第3層を、第2層の表面の全軸上長さに渡って塗付した。第3層の水溶性媒体は、634gのバリアドープされたγアルミナを、約10重量%のバリア、111gのストロンチア、50gのアルミナ結合剤、および25gのジルコニア結合剤と共に有する。被覆された担持体は、次に430℃で2時間焼成され、約40gの乾燥ウォッシュコートが得られた。
この実施形態は、実施例1の第1層と同じ第1層を有する2層被覆調合の一例を示す。〜32%の固形分を有する水溶性媒体形態の第2層を、第1層の表面に塗付した。第2層の水溶性媒体は、硝酸ロジウム溶液として、プラネタリミキサーにより、30%のセリアを有する637gのセリア/ジルコニア合成物、プラス5%のセリアを有する212gのセリア/ジルコニア合成物、45gのアルミナ結合剤、および、27.5gのジルコニア結合剤中に含浸させた3.85gのロジウムを含有した。結果として生じた担持体は、次に430℃で2時間焼成され、約70gの乾燥ウォッシュコートが得られた。
この実施例では、本発明の一実施形態に基づく、排気ガス処理に有用で、汚染に耐性を有する3層被覆調合の例を示す。この調合は、実施例3で仕上げられた二重触媒層を用い、第3層を実施例3の第2層上に追加して被覆した。第3層は、実施例2で記載した第3層と同一である。全長にわたって被覆した後に、触媒を各々同じ長さ、約2.9インチの長さに切断した。この3重層の触媒の1つの部分は、前方領域として用い、第3実施例からの2.9インチの他の部分触媒は後方領域として用いた。同じ効果を得る類似の方法として、第2層上の入口部分の軸上長さの約50%のみの長さで第3層を被覆する方法がある。前方領域中または触媒全体として、第3層のウォッシュコートの増加は約20gである。
この実施例では、本発明の一実施形態に基づく、排気ガス処理に有用な2層被覆調合の例を示す。この2層調合は、基材担持体上に被覆された3元コンバージョン触媒被覆である。この担持体は、円筒状のコージライトのモノリシック・ハニカムであり、直径は、3.66インチ(9.14cm)、長さ5.81インチ(14.75cm)、セル密度は600cpsi(平方インチ当りのセル数)、セル壁厚さは約3.5ミルである。全体体積は1リットルまたは61立方インチである。〜40%の固形分を有する水溶性の媒体形態の第1層を、基材の表面に塗付した。第1層の水溶性媒体は、硝酸パラジウム溶液として、プラネタリミキサーで1157gの10%バリア安定化γアルミナ、109gのストロンチア、109gのランタニア、101gのネオジミアおよび33.6gのジルコニア結合剤中に含浸させた14.1gのパラジウムを含有した。被覆された担持体は、次に530℃で2時間焼成され、約108gの乾燥ウォッシュコートが得られた。
この実施例では、本発明の一実施形態に基づく、排気ガス処理に有用で、汚染に耐性を有する3層被覆調合の例を示す。この調合は、実施例4で仕上げられた二重触媒層を用い、第3層を実施例4の第2層上に追加して被覆した。第3層は、実施例2で記載した第3層と同一である。全長にわたって被覆した後に、触媒を各々同じ長さ、約2.9インチの長さに切断した。この3重層の触媒の1つの部分は、前方領域として用い、第4実施例からの2.9インチの他の部分触媒は後方領域として用いた。同じ効果を得る類似の方法として、第2層上の入口部分の軸上長さの約50%のみの長さで第3層を被覆する方法がある。前方領域中または触媒全体として、第3層のウォッシュコートの増加は約20gである。
Claims (20)
- (a)1種またはそれ以上の貴金属成分を含有する少なくとも1つのウォッシュコート層で被覆された基材と、
(b)多孔質耐火性酸化物と、1種またはそれ以上の卑金属酸化物とを含む上塗層であって、オイルおよび/または燃料に由来する添加剤の毒性に対して、前記貴金属成分の耐性を高めるために、前記貴金属成分を含有する少なくとも1つのウォッシュコート層上に被覆され、前記卑金属酸化物が、酸化ランタンである場合、前記酸化ランタンは0.2g/in3以下の量で存在する、上塗層と、
を有する自動車排気ガス処理触媒。 - 前記上塗層は、さらに1種またはそれ以上の貴金属を有し、前記貴金属の充填は、20g/ft3未満である、請求項1に記載の自動車排気ガス処理触媒。
- 前記上塗層には貴金属を含んでいない、請求項1に記載の自動車排気ガス処理触媒。
- 前記卑金属酸化物は、アルカリ金属酸化物、アルカリ土類金属酸化物、遷移金属酸化物および希土類金属酸化物からなる群から選択される、請求項1に記載の自動車排気ガス処理触媒。
- 前記基材はハニカムモノリスである、請求項1に記載の自動車排気ガス処理触媒。
- 前記多孔質耐火性酸化物はアルミナである、請求項1に記載の自動車排気ガス処理触媒。
- 前記ウォッシュコート層の少なくとも1つは、さらに酸素貯蔵成分を有する、請求項1に記載の自動車排気ガス処理触媒。
- 互いに接している少なくとも2つの貴金属含有ウォッシュコート層を有し、前記互いに接しているウォッシュコート層は前記上塗層で被覆されている、請求項1に記載の自動車排気ガス処理触媒。
- 前記上塗層は、前記触媒の上流端から始まって前記触媒の上流部分上に被覆され、これにより有害物質捕獲領域が形成され、前記有害物質捕獲領域は、前記上流端から前記触媒の長さの10〜60%の範囲の長さを含む、請求項1に記載の自動車排気ガス処理触媒。
- 前記上塗層は、前記触媒の上流端から始まって前記触媒の上流部分上に被覆され、これにより有害物質捕獲領域が形成され、前記有害物質捕獲領域は、前記上流端から前記触媒の長さの1〜5インチの範囲の長さを含む、請求項1に記載の自動車排気ガス処理触媒。
- 前記上塗層は、貴金属を含有する一対のウォッシュコート層の間に設けられ、前記一対のウォッシュコート層は、下部ウォッシュコート層と、上部ウォッシュコート層とを有し、前記上塗層は、前記下部ウォッシュコート層上に被覆されている、請求項1に記載の自動車排気ガス処理触媒。
- 前記上部ウォッシュコート層は、前記基材の下流部分の上に被覆され、これにより前記上部ウォッシュコート層により被覆されていない上流の有害物質捕獲領域が形成される、請求項10に記載の自動車排気ガス処理触媒。
- 前記上塗層の厚さは、10ミクロン〜120ミクロンである、請求項1に記載の自動車排気ガス処理触媒。
- 前記多孔質耐火性酸化物は、粒子内および/または粒子間に孔を有し、前記孔の半径は、約10〜約500オングストロームの範囲である、請求項1に記載の自動車排気ガス処理触媒。
- (a)1種またはそれ以上の貴金属成分を含有する少なくとも1つのウォッシュコート層で被覆された基材と、
(b)多孔質耐火性酸化物と、1種またはそれ以上の卑金属酸化物と、酸素貯蔵成分と、任意に1種またはそれ以上の貴金属とを有する上塗層であって、オイルおよび/または燃料に由来する添加剤の汚染に対して、前記貴金属成分の耐性を強化するために、前記貴金属成分を含有する少なくとも1つのウォッシュコート層の上に被覆される、上塗層と、
を有する自動車排気ガス処理触媒。 - 前記上塗層は、さらに、イットリウム、ニオブ、ランタン、プラセオジム、ネオジム、プロメチウム、サマリウム、ジスプロジウムおよびイッテルビウムを含有する化合物からなる群から選択されるさらなる成分を有する、請求項15に記載の自動車排気ガス処理システム。
- 排気ガス流を自動車排気ガス処理触媒に接触させる工程を有する自動車排気ガス処理方法であって、前記触媒は、オイルおよび/または燃料由来の添加剤の汚染に対する耐性が強化され、前記触媒は、前記排気ガスと最初に接触する上流端と、下流端とを備えた基材を有し、前記触媒は、
(a)前記基材上に被覆された1種またはそれ以上の貴金属成分を含有する少なくとも1つのウォッシュコート層と、
(b)多孔質耐火性酸化物と、1種またはそれ以上の卑金属酸化物と、任意に少量の1種以上の貴金属を有する上塗層であって、これが前記ウォッシュコート層のうちの少なくとも1つの上に被覆され、前記卑金属酸化物が、酸化ランタンである場合、前記酸化ランタンは0.2g/in3以下の量で存在する、上塗層と、
を有し
(c)前記排気ガスを、前記触媒部材の上方で、前記上流端から前記下流端に通過させる工程を有する、自動車排気ガス処理方法。 - 前記基材は、ハニカムモノリスである、請求項17に記載の方法。
- 前記基材は、2つ以上の前記ウォッシュコート層を有し、前記ウォッシュコート層の少なくとも1つの層は、さらに、セリア、セリウムおよびジルコニウムの混合酸化物、ならびに、セリウム、ジルコニウム、プラセオジム、ネオジムおよび/またはランタンまたはイットリウムなどの安定剤の混合酸化物からなる群から選択された酸素貯蔵成分を有する、請求項17に記載の方法。
- 前記多孔質耐火性酸化物はアルミナである、請求項17に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/504,247 | 2006-08-14 | ||
US11/504,247 US7749472B2 (en) | 2006-08-14 | 2006-08-14 | Phosgard, a new way to improve poison resistance in three-way catalyst applications |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009524773A Division JP5795839B2 (ja) | 2006-08-14 | 2007-08-14 | 汚染に耐性を有する自動車排気ガス処理触媒、および自動車の排気ガスを処理する方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015006663A true JP2015006663A (ja) | 2015-01-15 |
JP5894223B2 JP5894223B2 (ja) | 2016-03-23 |
Family
ID=38738866
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009524773A Active JP5795839B2 (ja) | 2006-08-14 | 2007-08-14 | 汚染に耐性を有する自動車排気ガス処理触媒、および自動車の排気ガスを処理する方法 |
JP2014121985A Active JP5894223B2 (ja) | 2006-08-14 | 2014-06-13 | 汚染に耐性を有する自動車排気ガス処理触媒、および自動車の排気ガスを処理する方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009524773A Active JP5795839B2 (ja) | 2006-08-14 | 2007-08-14 | 汚染に耐性を有する自動車排気ガス処理触媒、および自動車の排気ガスを処理する方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7749472B2 (ja) |
EP (1) | EP2051799B1 (ja) |
JP (2) | JP5795839B2 (ja) |
KR (2) | KR20150099618A (ja) |
CN (1) | CN101421019B (ja) |
BR (1) | BRPI0716666B1 (ja) |
RU (1) | RU2008134183A (ja) |
WO (1) | WO2008022160A1 (ja) |
ZA (1) | ZA200805188B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7541059B2 (ja) | 2019-06-26 | 2024-08-27 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 圧縮点火内燃機関用の複合ゾーン化酸化触媒 |
Families Citing this family (87)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101479023A (zh) * | 2006-06-29 | 2009-07-08 | 乌米科雷股份两合公司 | 三元催化剂 |
JP2008023501A (ja) * | 2006-07-25 | 2008-02-07 | Toyota Motor Corp | 排ガス浄化用触媒 |
KR100756025B1 (ko) * | 2006-08-28 | 2007-09-07 | 희성엥겔하드주식회사 | 내연기관 배기가스 정화용 삼중층 촉매시스템 |
US8496899B2 (en) * | 2007-01-26 | 2013-07-30 | Cataler Corporation | Exhaust gas purifying catalyst |
JP2008188542A (ja) * | 2007-02-06 | 2008-08-21 | Mitsubishi Heavy Ind Ltd | 排ガス処理用触媒、その製造方法および排ガス処理方法 |
JP4793316B2 (ja) * | 2007-04-20 | 2011-10-12 | トヨタ自動車株式会社 | 硫黄吸蔵触媒 |
JP4849035B2 (ja) * | 2007-08-08 | 2011-12-28 | マツダ株式会社 | 触媒付パティキュレートフィルタ |
JP4849034B2 (ja) * | 2007-08-08 | 2011-12-28 | マツダ株式会社 | 触媒付パティキュレートフィルタ |
DE502007002874D1 (de) * | 2007-09-28 | 2010-04-01 | Umicore Ag & Co Kg | Entfernung von Partikeln aus dem Abgas von mit überwiegend stöchiometrischem Luft/Kraftstoff-Gemisch betriebenen Verbrennungsmotoren |
US8114354B2 (en) * | 2007-12-18 | 2012-02-14 | Basf Corporation | Catalyzed soot filter manufacture and systems |
US20090175773A1 (en) * | 2008-01-08 | 2009-07-09 | Chen Shau-Lin F | Multilayered Catalyst Compositions |
US8038954B2 (en) * | 2008-02-14 | 2011-10-18 | Basf Corporation | CSF with low platinum/palladium ratios |
EP2112339A1 (de) * | 2008-04-24 | 2009-10-28 | Umicore AG & Co. KG | Verfahren und Vorrichtung zur Reinigung von Abgasen eines Verbrennungsmotors |
US8716165B2 (en) * | 2008-04-30 | 2014-05-06 | Corning Incorporated | Catalysts on substrates and methods for providing the same |
US8475752B2 (en) * | 2008-06-27 | 2013-07-02 | Basf Corporation | NOx adsorber catalyst with superior low temperature performance |
JP4751916B2 (ja) * | 2008-06-30 | 2011-08-17 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
EP2368630A4 (en) * | 2008-12-19 | 2013-07-31 | Cataler Corp | CATALYST FOR THE PURIFICATION OF EXHAUST GASES |
US8568675B2 (en) * | 2009-02-20 | 2013-10-29 | Basf Corporation | Palladium-supported catalyst composites |
US8920759B2 (en) * | 2009-03-02 | 2014-12-30 | GM Global Technology Operations LLC | Method and apparatus for reducing NOx emissions from a lean burning hydrocarbon fueled power source |
BRPI1014604A2 (pt) * | 2009-05-04 | 2016-04-05 | Basf Corp | composição de catalisador, e, método para tratar uma corrente de gás de descarga |
US8246923B2 (en) * | 2009-05-18 | 2012-08-21 | Umicore Ag & Co. Kg | High Pd content diesel oxidation catalysts with improved hydrothermal durability |
US8207084B2 (en) * | 2009-06-23 | 2012-06-26 | Ford Global Technologies, Llc | Urea-resistant catalytic units and methods of using the same |
FR2950384A1 (fr) * | 2009-09-22 | 2011-03-25 | Peugeot Citroen Automobiles Sa | Ligne d'echappement d'un moteur a combustion |
US8557203B2 (en) * | 2009-11-03 | 2013-10-15 | Umicore Ag & Co. Kg | Architectural diesel oxidation catalyst for enhanced NO2 generator |
US8784759B2 (en) * | 2010-06-10 | 2014-07-22 | Basf Se | NOx storage catalyst with reduced Rh loading |
US8557204B2 (en) | 2010-11-22 | 2013-10-15 | Umicore Ag & Co. Kg | Three-way catalyst having an upstream single-layer catalyst |
US8304366B2 (en) | 2010-11-24 | 2012-11-06 | Ford Global Technologies, Llc | System for remediating emissions and method of use |
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 |
JP5576420B2 (ja) * | 2012-03-21 | 2014-08-20 | トヨタ自動車株式会社 | 排ガス浄化触媒 |
US8835346B2 (en) | 2012-07-27 | 2014-09-16 | Basf Corporation | Catalyst materials |
US8545780B1 (en) * | 2012-07-27 | 2013-10-01 | Basf Corporation | Catalyst materials |
JP5787180B2 (ja) * | 2012-08-07 | 2015-09-30 | トヨタ自動車株式会社 | 排ガスセンサ |
JP5773220B2 (ja) * | 2012-08-07 | 2015-09-02 | トヨタ自動車株式会社 | 排ガスセンサ |
US9266092B2 (en) * | 2013-01-24 | 2016-02-23 | Basf Corporation | Automotive catalyst composites having a two-metal layer |
JP6106458B2 (ja) * | 2013-02-26 | 2017-03-29 | 本田技研工業株式会社 | 排気ガス用触媒装置 |
BR112015021077A2 (pt) * | 2013-03-14 | 2017-07-18 | Basf Corp | artigo catalítico com washcoat segregado e métodos para fabricação do mesmo. |
US9511355B2 (en) | 2013-11-26 | 2016-12-06 | Clean Diesel Technologies, Inc. (Cdti) | System and methods for using synergized PGM as a three-way catalyst |
US9216383B2 (en) | 2013-03-15 | 2015-12-22 | Clean Diesel Technologies, Inc. | System and method for two and three way ZPGM catalyst |
US9227177B2 (en) | 2013-03-15 | 2016-01-05 | Clean Diesel Technologies, Inc. | Coating process of Zero-PGM catalysts and methods thereof |
US9511350B2 (en) | 2013-05-10 | 2016-12-06 | Clean Diesel Technologies, Inc. (Cdti) | ZPGM Diesel Oxidation Catalysts and methods of making and using same |
US9259716B2 (en) | 2013-03-15 | 2016-02-16 | Clean Diesel Technologies, Inc. | Oxidation catalyst systems compositions and methods thereof |
US9216408B2 (en) * | 2013-04-04 | 2015-12-22 | Clean Diesel Technologies, Inc. | System and method for two and three way mixed metal oxide ZPGM catalyst |
US20140274662A1 (en) | 2013-03-15 | 2014-09-18 | Cdti | Systems and Methods for Variations of ZPGM Oxidation Catalysts Compositions |
DE102013210270A1 (de) * | 2013-06-03 | 2014-12-04 | Umicore Ag & Co. Kg | Dreiwegkatalysator |
US9545626B2 (en) | 2013-07-12 | 2017-01-17 | Clean Diesel Technologies, Inc. | Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrate |
JP6201588B2 (ja) * | 2013-09-30 | 2017-09-27 | マツダ株式会社 | 排気ガス浄化用触媒 |
JP6167818B2 (ja) * | 2013-09-30 | 2017-07-26 | マツダ株式会社 | 排気ガス浄化用触媒 |
US8853121B1 (en) | 2013-10-16 | 2014-10-07 | Clean Diesel Technology Inc. | Thermally stable compositions of OSM free of rare earth metals |
US9511358B2 (en) | 2013-11-26 | 2016-12-06 | Clean Diesel Technologies, Inc. | Spinel compositions and applications thereof |
CN105813735A (zh) * | 2013-12-13 | 2016-07-27 | 株式会社科特拉 | 排气净化用催化剂 |
US9744529B2 (en) | 2014-03-21 | 2017-08-29 | Basf Corporation | Integrated LNT-TWC catalyst |
US9662636B2 (en) | 2014-04-17 | 2017-05-30 | Basf Corporation | Zoned catalyst composites |
US9475004B2 (en) * | 2014-06-06 | 2016-10-25 | Clean Diesel Technologies, Inc. | Rhodium-iron catalysts |
DE102015113013A1 (de) * | 2014-08-14 | 2016-02-18 | Johnson Matthey Public Limited Company | A diagnostic system for exhaust system components |
FR3026024B1 (fr) * | 2014-09-24 | 2018-06-15 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Module catalytique presentant une efficacite amelioree au vieillissement |
MX2018007395A (es) * | 2015-12-16 | 2018-08-15 | Basf Corp | Sistema catalizador para motores de inyeccion directa de gasolina de mezcla pobre. |
MX2018009531A (es) * | 2016-02-03 | 2019-05-20 | Basf Corp | Composicion catalizadora multicapa para motores de combustion interna. |
WO2017164166A1 (ja) * | 2016-03-22 | 2017-09-28 | ヤマハ発動機株式会社 | 鞍乗型車両 |
BR112018069353A2 (pt) * | 2016-03-22 | 2019-01-22 | Yamaha Motor Co Ltd | veículo do tipo para montar |
US9919294B2 (en) * | 2016-04-27 | 2018-03-20 | Ford Global Technologies, Llc | Phosphorus tolerant catalyst washcoat structure |
JP6869976B2 (ja) * | 2016-05-25 | 2021-05-12 | エヌ・イーケムキャット株式会社 | ガソリンエンジン排気ガスの浄化用三元触媒 |
CA3027822A1 (en) | 2016-06-17 | 2017-12-21 | Basf Corporation | Palladium diesel oxidation catalyst |
EP3488927B1 (en) * | 2016-07-20 | 2020-03-04 | Umicore Shokubai Japan Co., Ltd. | Catalyst for purifying exhaust gas from internal combustion engine, and exhaust gas purification method using said catalyst |
JP6616003B2 (ja) | 2016-07-20 | 2019-12-04 | ユミコア日本触媒株式会社 | 内燃機関の排気ガスの浄化用触媒および該触媒を用いた排気ガスの浄化方法 |
BR112019001881B1 (pt) * | 2016-08-05 | 2022-05-17 | Johnson Matthey Public Limited Company | Catalisador de oxidação para tratar um gás de escape produzido por um motor a diesel, sistema de escape para tratar um gás de escape produzido por um motor a diesel, e, veículo |
US10598061B2 (en) * | 2017-03-22 | 2020-03-24 | Ford Global Technologies, Llc | Methods and systems for a diesel oxidation catalyst |
JP6753811B2 (ja) * | 2017-04-19 | 2020-09-09 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
US11131225B2 (en) | 2017-08-28 | 2021-09-28 | Basf Corporation | Phosphorus resistant three-way catalyst |
JP6954796B2 (ja) * | 2017-10-06 | 2021-10-27 | トヨタ自動車株式会社 | 自動車用排ガス浄化用触媒 |
BR112020006209A2 (pt) * | 2017-10-12 | 2020-10-06 | Johnson Matthey Public Limited Company | artigo catalisador, sistema de tratamento de emissão para tratar um fluxo de um gás de escape de combustão, método de tratamento de um gás de escape de um motor de combustão interna, e, composição |
JP6544881B1 (ja) * | 2017-12-28 | 2019-07-17 | ユミコア日本触媒株式会社 | リン化合物含有排ガス浄化用触媒 |
US11517881B2 (en) * | 2018-03-28 | 2022-12-06 | Mitsui Mining & Smelting Co., Ltd. | Exhaust gas purification catalyst |
US11458460B2 (en) * | 2018-03-28 | 2022-10-04 | Mitsui Mining & Smelting Co., Ltd. | Exhaust gas purification catalyst |
US10953366B2 (en) * | 2018-04-20 | 2021-03-23 | GM Global Technology Operations LLC | Nitrogen oxides and hydrocarbon storage catalyst and methods of using the same |
US10695749B2 (en) * | 2018-08-07 | 2020-06-30 | GM Global Technology Operations LLC | Sinter-resistant catalyst systems |
US20220001370A1 (en) * | 2018-12-19 | 2022-01-06 | Basf Corporation | Layered catalysts composition and catalytic article and methods of manufacturing and using the same |
JP2022514770A (ja) * | 2018-12-19 | 2022-02-15 | ビーエーエスエフ コーポレーション | 層状触媒組成物および触媒物品ならびにそれらを製造および使用する方法 |
KR102478927B1 (ko) * | 2019-06-26 | 2022-12-20 | 존슨 맛쎄이 퍼블릭 리미티드 컴파니 | 압축 점화 내연기관을 위한 복합 구역화 산화 촉매 |
WO2021074652A1 (en) | 2019-10-16 | 2021-04-22 | Johnson Matthey Public Limited Company | Composite, zone-coated, dual-use ammonia (amox) and nitric oxide oxidation catalyst |
GB202004769D0 (en) * | 2019-10-16 | 2020-05-13 | Johnson Matthey Plc | Composite, zoned oxidation catalyst for a compression ignition internal combustion engine |
GB2623658A (en) * | 2019-10-16 | 2024-04-24 | Johnson Matthey Plc | Composite, zoned oxidation catalyst for a compression ignition internal combustion engine |
EP3888774A1 (en) * | 2020-03-31 | 2021-10-06 | Johnson Matthey Public Limited Company | Composite, zone-coated oxidation and exotherm generation catalyst |
CN110801833B (zh) * | 2019-10-24 | 2022-11-11 | 浙江达峰汽车技术有限公司 | 一种汽车尾气净化催化剂定域化涂层及其制备方法 |
CN113262782A (zh) * | 2021-05-27 | 2021-08-17 | 安徽艾可蓝环保股份有限公司 | 一种Pd/Rh低贵金属三区催化剂 |
WO2024150640A1 (ja) * | 2023-01-13 | 2024-07-18 | 三井金属鉱業株式会社 | 排ガス浄化用触媒 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61274746A (ja) * | 1985-05-31 | 1986-12-04 | Nissan Motor Co Ltd | 一体型排ガス浄化用触媒 |
JPS63252550A (ja) * | 1987-04-07 | 1988-10-19 | Mazda Motor Corp | 排気ガス浄化用触媒 |
JPH04180840A (ja) * | 1990-03-30 | 1992-06-29 | Tokyo Roki Kk | 排気ガス浄化用触媒の製造法 |
JPH1057820A (ja) * | 1996-08-13 | 1998-03-03 | Toyota Motor Corp | ディーゼルエンジンの排気浄化触媒 |
WO2002062468A1 (fr) * | 2001-02-02 | 2002-08-15 | Hitachi, Ltd. | Catalyseur de traitement des gaz d'émission et moteur à combustion interne pourvu d'un tel catalyseur |
JP2003170047A (ja) * | 2001-09-27 | 2003-06-17 | Tokyo Roki Co Ltd | 排気ガス浄化用触媒、及びその触媒の製造方法 |
JP2005081250A (ja) * | 2003-09-09 | 2005-03-31 | Babcock Hitachi Kk | 排ガス浄化装置 |
WO2006009684A1 (en) * | 2004-06-22 | 2006-01-26 | Engelhard Corporation | Layered exhaust treatment catalyst |
Family Cites Families (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3480660A (en) * | 1966-02-07 | 1969-11-25 | Phillips Petroleum Co | Catalyst for fluidized bed operation |
DE2359451C3 (de) * | 1972-12-15 | 1976-01-08 | Universal Oil Products Co., Des Plaines, Ill. (V.St.A.) | Katalysatorträger und dessen Verwendung |
US4134733A (en) | 1975-07-09 | 1979-01-16 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Apparatus for treatment of exhaust gases |
JPS52122290A (en) * | 1976-04-07 | 1977-10-14 | Tdk Corp | Catalyst for treating exhaust gas |
JPS55151109A (en) | 1979-05-15 | 1980-11-25 | Mazda Motor Corp | Apparatus for protecting catalyst used for purifying exhaust gas |
JPS5644411A (en) | 1979-09-18 | 1981-04-23 | Mazda Motor Corp | Device for protecting catalyst for purifying exhaust gas of engine |
US4674447A (en) | 1980-05-27 | 1987-06-23 | Davis Robert E | Prevention of fouling in internal combustion engines and their exhaust systems and improved gasoline compositions |
JPS5952530A (ja) | 1982-09-20 | 1984-03-27 | Matsushita Electric Ind Co Ltd | 触媒 |
JPS6031828A (ja) | 1983-08-03 | 1985-02-18 | Toyota Motor Corp | 排ガス浄化用触媒とその製造方法 |
JPS60110334A (ja) | 1983-11-21 | 1985-06-15 | Nissan Motor Co Ltd | 排ガス浄化用触媒の製造方法 |
US4675308A (en) * | 1984-06-14 | 1987-06-23 | Engelhard Corporation | Three-way catalyst for lean operating engines |
US4678770A (en) * | 1985-01-31 | 1987-07-07 | Engelhard Corporation | Three-way catalyst for lean exhaust systems |
US4708946A (en) | 1985-05-23 | 1987-11-24 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalyst for purifying exhaust gas |
US4727052A (en) | 1986-06-27 | 1988-02-23 | Engelhard Corporation | Catalyst compositions and methods of making the same |
US4714694A (en) | 1986-06-30 | 1987-12-22 | Engelhard Corporation | Aluminum-stabilized ceria catalyst compositions, and methods of making the same |
JPS6377544A (ja) | 1986-09-19 | 1988-04-07 | Nissan Motor Co Ltd | 排気ガス浄化用触媒 |
JPS63205141A (ja) | 1987-02-23 | 1988-08-24 | Nissan Motor Co Ltd | 排ガス浄化用触媒 |
US5202300A (en) | 1988-02-18 | 1993-04-13 | Engelhard Corporation | Catalyst for purification of exhaust gas |
US4923842A (en) | 1988-10-11 | 1990-05-08 | Allied-Signal Inc. | Lanthanum containing catalyst for treating automotive exhaust |
DE69127713T2 (de) | 1990-01-12 | 1998-01-29 | Ngk Spark Plug Co | Behandlung von Abgasen, die Silikon- und/oder Phosphorverbindungen enthalten |
US5254519A (en) * | 1990-02-22 | 1993-10-19 | Engelhard Corporation | Catalyst composition containing platinum and rhodium components |
US5057483A (en) * | 1990-02-22 | 1991-10-15 | Engelhard Corporation | Catalyst composition containing segregated platinum and rhodium components |
US5427601A (en) * | 1990-11-29 | 1995-06-27 | Ngk Insulators, Ltd. | Sintered metal bodies and manufacturing method therefor |
US5407880A (en) * | 1992-11-09 | 1995-04-18 | Nissan Motor Co., Ltd. | Catalysts for adsorption of hydrocarbons |
JP3281087B2 (ja) * | 1993-02-10 | 2002-05-13 | 日本碍子株式会社 | 排ガス浄化用触媒 |
US6667018B2 (en) * | 1994-07-05 | 2003-12-23 | Ngk Insulators, Ltd. | Catalyst-adsorbent for purification of exhaust gases and method for purification of exhaust gases |
US5696065A (en) | 1994-07-05 | 1997-12-09 | Asahi Denka Kogyo K. K. | Engine oil composition |
US6497851B1 (en) * | 1994-12-06 | 2002-12-24 | Englehard Corporation | Engine exhaust treatment apparatus and method of use |
JP3799651B2 (ja) * | 1995-04-28 | 2006-07-19 | マツダ株式会社 | 排気ガス浄化用触媒 |
GB9511412D0 (en) | 1995-06-06 | 1995-08-02 | Johnson Matthey Plc | Improvements in emission control |
US5753581A (en) * | 1995-12-18 | 1998-05-19 | General Motor Corporation | Method of associating precious metals with specific oxides in mixed oxide systems for use as catalysts |
US5981427A (en) * | 1996-09-04 | 1999-11-09 | Engelhard Corporation | Catalyst composition |
US5948723A (en) * | 1996-09-04 | 1999-09-07 | Engelhard Corporation | Layered catalyst composite |
US6921738B2 (en) * | 1996-12-06 | 2005-07-26 | Engelhard Corporation | Catalytic metal plate |
JP4290240B2 (ja) * | 1998-05-27 | 2009-07-01 | ジョンソン・マッセイ・ジャパン・インコーポレイテッド | 排気ガス浄化用触媒および排気ガス浄化方法 |
JP2000176298A (ja) * | 1998-12-11 | 2000-06-27 | Mazda Motor Corp | 排気ガス浄化用触媒及びその製造方法 |
US6294140B1 (en) * | 1999-04-23 | 2001-09-25 | Degussa Ag | Layered noble metal-containing exhaust gas catalyst and its preparation |
DE60042991D1 (de) * | 1999-07-09 | 2009-11-05 | Nissan Motor | Abgasreinigungskatalysator und Verfahren zu seiner Herstellung |
JP3724696B2 (ja) * | 1999-10-15 | 2005-12-07 | トヨタ自動車株式会社 | 排ガス浄化用触媒及びその製造方法 |
JP3664019B2 (ja) * | 1999-12-27 | 2005-06-22 | 日産自動車株式会社 | 触媒コンバータ |
US6727097B2 (en) | 2000-06-15 | 2004-04-27 | Engelhard Corporation | Method and apparatus for accelerated catalyst poisoning and deactivation |
US6492297B1 (en) * | 2000-09-15 | 2002-12-10 | Engelhard Corporation | Catalyst composition for purifying exhaust gas |
EP1199096A1 (en) * | 2000-10-21 | 2002-04-24 | Degussa AG | Catalyst for destruction of CO, VOC, and halogenated organic emissions |
US6777370B2 (en) * | 2001-04-13 | 2004-08-17 | Engelhard Corporation | SOx tolerant NOx trap catalysts and methods of making and using the same |
JP4645786B2 (ja) * | 2001-06-08 | 2011-03-09 | 三菱自動車工業株式会社 | 排ガス浄化用触媒 |
JP3845274B2 (ja) * | 2001-06-26 | 2006-11-15 | ダイハツ工業株式会社 | 排ガス浄化用触媒 |
JP4228278B2 (ja) * | 2002-03-19 | 2009-02-25 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
US6810660B2 (en) | 2002-04-08 | 2004-11-02 | Ford Global Technologies, Llc | System for minimizing the impact of poisoning of automotive exhaust aftertreatment systems |
US20040001781A1 (en) | 2002-06-27 | 2004-01-01 | Engelhard Corporation | Multi-zone catalytic converter |
US7329629B2 (en) * | 2002-10-24 | 2008-02-12 | Ford Global Technologies, Llc | Catalyst system for lean burn engines |
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 |
JP4217576B2 (ja) * | 2003-09-30 | 2009-02-04 | 東京濾器株式会社 | 排気ガス浄化用触媒 |
US7238640B2 (en) * | 2003-12-30 | 2007-07-03 | Ford Global Technologies, Llc | Minimization of purge NOx release from NOx traps by optimizing the oxygen storage capacity |
US20050164879A1 (en) * | 2004-01-28 | 2005-07-28 | Engelhard Corporation | Layered SOx tolerant NOx trap catalysts and methods of making and using the same |
US7374729B2 (en) * | 2004-03-30 | 2008-05-20 | Basf Catalysts Llc | Exhaust gas treatment catalyst |
JP4696546B2 (ja) * | 2004-12-10 | 2011-06-08 | マツダ株式会社 | 排気ガス浄化用触媒 |
US7638459B2 (en) * | 2005-05-25 | 2009-12-29 | Uop Llc | Layered composition and processes for preparing and using the composition |
US7678347B2 (en) * | 2005-07-15 | 2010-03-16 | Basf Catalysts Llc | High phosphorous poisoning resistant catalysts for treating automobile exhaust |
US7576031B2 (en) * | 2006-06-09 | 2009-08-18 | Basf Catalysts Llc | Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function |
US7534738B2 (en) * | 2006-11-27 | 2009-05-19 | Nanostellar, Inc. | Engine exhaust catalysts containing palladium-gold |
-
2006
- 2006-08-14 US US11/504,247 patent/US7749472B2/en active Active
-
2007
- 2007-08-14 WO PCT/US2007/075942 patent/WO2008022160A1/en active Application Filing
- 2007-08-14 JP JP2009524773A patent/JP5795839B2/ja active Active
- 2007-08-14 RU RU2008134183/04A patent/RU2008134183A/ru not_active Application Discontinuation
- 2007-08-14 EP EP07814089.4A patent/EP2051799B1/en active Active
- 2007-08-14 BR BRPI0716666A patent/BRPI0716666B1/pt active IP Right Grant
- 2007-08-14 KR KR1020157021953A patent/KR20150099618A/ko active Application Filing
- 2007-08-14 KR KR1020097005273A patent/KR101569940B1/ko active IP Right Grant
- 2007-08-14 CN CN200780005558.7A patent/CN101421019B/zh active Active
-
2008
- 2008-06-13 ZA ZA200805188A patent/ZA200805188B/xx unknown
-
2014
- 2014-06-13 JP JP2014121985A patent/JP5894223B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61274746A (ja) * | 1985-05-31 | 1986-12-04 | Nissan Motor Co Ltd | 一体型排ガス浄化用触媒 |
JPS63252550A (ja) * | 1987-04-07 | 1988-10-19 | Mazda Motor Corp | 排気ガス浄化用触媒 |
JPH04180840A (ja) * | 1990-03-30 | 1992-06-29 | Tokyo Roki Kk | 排気ガス浄化用触媒の製造法 |
JPH1057820A (ja) * | 1996-08-13 | 1998-03-03 | Toyota Motor Corp | ディーゼルエンジンの排気浄化触媒 |
WO2002062468A1 (fr) * | 2001-02-02 | 2002-08-15 | Hitachi, Ltd. | Catalyseur de traitement des gaz d'émission et moteur à combustion interne pourvu d'un tel catalyseur |
JP2003170047A (ja) * | 2001-09-27 | 2003-06-17 | Tokyo Roki Co Ltd | 排気ガス浄化用触媒、及びその触媒の製造方法 |
JP2005081250A (ja) * | 2003-09-09 | 2005-03-31 | Babcock Hitachi Kk | 排ガス浄化装置 |
WO2006009684A1 (en) * | 2004-06-22 | 2006-01-26 | Engelhard Corporation | Layered exhaust treatment catalyst |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7541059B2 (ja) | 2019-06-26 | 2024-08-27 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 圧縮点火内燃機関用の複合ゾーン化酸化触媒 |
Also Published As
Publication number | Publication date |
---|---|
CN101421019A (zh) | 2009-04-29 |
WO2008022160A1 (en) | 2008-02-21 |
CN101421019B (zh) | 2014-11-05 |
JP5894223B2 (ja) | 2016-03-23 |
JP5795839B2 (ja) | 2015-10-14 |
KR20150099618A (ko) | 2015-08-31 |
WO2008022160B1 (en) | 2008-04-17 |
US7749472B2 (en) | 2010-07-06 |
KR101569940B1 (ko) | 2015-11-17 |
BRPI0716666B1 (pt) | 2017-02-14 |
KR20090052359A (ko) | 2009-05-25 |
JP2010500922A (ja) | 2010-01-14 |
ZA200805188B (en) | 2009-10-28 |
RU2008134183A (ru) | 2010-05-10 |
BRPI0716666A2 (pt) | 2013-11-26 |
US20080038172A1 (en) | 2008-02-14 |
EP2051799A1 (en) | 2009-04-29 |
EP2051799B1 (en) | 2016-01-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5894223B2 (ja) | 汚染に耐性を有する自動車排気ガス処理触媒、および自動車の排気ガスを処理する方法 | |
JP5619091B2 (ja) | 自動車排ガス処理用高リン被毒耐性触媒 | |
KR102107978B1 (ko) | 가솔린 차량용 오염물 감소 시스템 | |
KR102068969B1 (ko) | 가솔린 미립자 필터의 업스트림에 사용하기 위한 시동 촉매 | |
EP2501464B1 (en) | Zoned catalyzed soot filter | |
KR102117221B1 (ko) | 3원 촉매 시스템 | |
CN113260454A (zh) | 层状三元转化(twc)催化剂和制造所述催化剂的方法 | |
KR20180111903A (ko) | 망간을 함유하는 다층 질소 산화물 저장 촉매 | |
JP2006346605A (ja) | 排ガス浄化フィルタ及び内燃機関用排ガス浄化装置 | |
US20070123418A1 (en) | Catalyst composition containing gallium for purifying exhaust gases of internal combustion engine | |
US20220379293A1 (en) | Diesel oxidation catalyst |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150513 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150519 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20150807 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150904 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160126 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160225 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5894223 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |