JPH025854Y2 - - Google Patents

Info

Publication number

JPH025854Y2

JPH025854Y2 JP10486383U JP10486383U JPH025854Y2 JP H025854 Y2 JPH025854 Y2 JP H025854Y2 JP 10486383 U JP10486383 U JP 10486383U JP 10486383 U JP10486383 U JP 10486383U JP H025854 Y2 JPH025854 Y2 JP H025854Y2

Authority

JP

Japan

Prior art keywords

monolithic

exhaust gas

catalyst

catalytic converter

ceria

Prior art date

1983-07-05

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.)

Expired

Links

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• 239000003054 catalyst Substances 0.000 claims description 50
• 230000003197 catalytic effect Effects 0.000 claims description 21
• CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 18
• 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 18
• 230000000694 effects Effects 0.000 claims description 18
• 239000000126 substance Substances 0.000 claims description 15
• 238000000746 purification Methods 0.000 claims description 11
• 239000000446 fuel Substances 0.000 description 16
• 239000007789 gas Substances 0.000 description 14
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
• HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 4
• 238000011144 upstream manufacturing Methods 0.000 description 4
• 239000007864 aqueous solution Substances 0.000 description 3
• MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
• CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
• 238000006073 displacement reaction Methods 0.000 description 2
• 230000001590 oxidative effect Effects 0.000 description 2
• 239000001301 oxygen Substances 0.000 description 2
• 229910052760 oxygen Inorganic materials 0.000 description 2
• BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
• 230000001603 reducing effect Effects 0.000 description 2
• 239000002002 slurry Substances 0.000 description 2
• 239000000243 solution Substances 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
• UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
• FCUFAHVIZMPWGD-UHFFFAOYSA-N [O-][N+](=O)[Pt](N)(N)[N+]([O-])=O Chemical compound [O-][N+](=O)[Pt](N)(N)[N+]([O-])=O FCUFAHVIZMPWGD-UHFFFAOYSA-N 0.000 description 1
• 229910002092 carbon dioxide Inorganic materials 0.000 description 1
• 239000001569 carbon dioxide Substances 0.000 description 1
• 229910002091 carbon monoxide Inorganic materials 0.000 description 1
• 239000000919 ceramic Substances 0.000 description 1
• 239000011247 coating layer Substances 0.000 description 1
• 238000002485 combustion reaction Methods 0.000 description 1
• 229910052878 cordierite Inorganic materials 0.000 description 1
• 230000002542 deteriorative effect Effects 0.000 description 1
• 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 1
• 238000011156 evaluation Methods 0.000 description 1
• 238000010304 firing Methods 0.000 description 1
• 229930195733 hydrocarbon Natural products 0.000 description 1
• 150000002430 hydrocarbons Chemical class 0.000 description 1
• 238000005470 impregnation Methods 0.000 description 1
• 238000002347 injection Methods 0.000 description 1
• 239000007924 injection Substances 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000010410 layer Substances 0.000 description 1
• 229910052757 nitrogen Inorganic materials 0.000 description 1
• 230000003647 oxidation Effects 0.000 description 1
• 238000007254 oxidation reaction Methods 0.000 description 1
• 229910052697 platinum Inorganic materials 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 239000010970 precious metal Substances 0.000 description 1
• 230000001105 regulatory effect Effects 0.000 description 1
• 238000009877 rendering Methods 0.000 description 1
• 229910052703 rhodium Inorganic materials 0.000 description 1
• 239000010948 rhodium Substances 0.000 description 1
• MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
• SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1
• 239000000725 suspension Substances 0.000 description 1
• -1 warm-up performance Substances 0.000 description 1