JPH0573461B2 - - Google Patents

Info

Publication number

JPH0573461B2

JPH0573461B2 JP61105863A JP10586386A JPH0573461B2 JP H0573461 B2 JPH0573461 B2 JP H0573461B2 JP 61105863 A JP61105863 A JP 61105863A JP 10586386 A JP10586386 A JP 10586386A JP H0573461 B2 JPH0573461 B2 JP H0573461B2

Authority

JP

Japan

Prior art keywords

alumina

catalyst

carrier

slurry

exhaust gas

Prior art date

1986-05-09

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 - Lifetime

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• 239000003054 catalyst Substances 0.000 claims description 72
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 69
• 238000011144 upstream manufacturing Methods 0.000 claims description 16
• 239000011247 coating layer Substances 0.000 claims description 15
• 238000000746 purification Methods 0.000 claims description 7
• 239000000463 material Substances 0.000 claims description 5
• 239000002002 slurry Substances 0.000 description 29
• BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 24
• 239000007789 gas Substances 0.000 description 21
• 239000011248 coating agent Substances 0.000 description 13
• 238000000576 coating method Methods 0.000 description 13
• 229910052751 metal Inorganic materials 0.000 description 12
• 239000002184 metal Substances 0.000 description 12
• 229910052697 platinum Inorganic materials 0.000 description 12
• 238000002441 X-ray diffraction Methods 0.000 description 11
• 229910052703 rhodium Inorganic materials 0.000 description 10
• 239000010948 rhodium Substances 0.000 description 10
• MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 10
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
• 230000000052 comparative effect Effects 0.000 description 7
• KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
• 239000007864 aqueous solution Substances 0.000 description 5
• UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
• 229910002091 carbon monoxide Inorganic materials 0.000 description 4
• 229910052878 cordierite Inorganic materials 0.000 description 4
• JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 4
• 229930195733 hydrocarbon Natural products 0.000 description 4
• 150000002430 hydrocarbons Chemical class 0.000 description 4
• 239000000843 powder Substances 0.000 description 4
• 230000003197 catalytic effect Effects 0.000 description 3
• 238000002156 mixing Methods 0.000 description 3
• 239000000203 mixture Substances 0.000 description 3
• MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
• 229910052763 palladium Inorganic materials 0.000 description 3
• 238000003756 stirring Methods 0.000 description 3
• 238000012360 testing method Methods 0.000 description 3
• 239000000969 carrier Substances 0.000 description 2
• 150000001875 compounds Chemical class 0.000 description 2
• 239000013078 crystal Substances 0.000 description 2
• 238000006073 displacement reaction Methods 0.000 description 2
• 238000001035 drying Methods 0.000 description 2
• 229910000510 noble metal Inorganic materials 0.000 description 2
• SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 2
• 238000005245 sintering Methods 0.000 description 2
• 230000009466 transformation Effects 0.000 description 2
• XNDZQQSKSQTQQD-UHFFFAOYSA-N 3-methylcyclohex-2-en-1-ol Chemical compound CC1=CC(O)CCC1 XNDZQQSKSQTQQD-UHFFFAOYSA-N 0.000 description 1
• 238000004458 analytical method Methods 0.000 description 1
• 238000007664 blowing Methods 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000011156 evaluation Methods 0.000 description 1
• 238000010304 firing Methods 0.000 description 1
• 239000000446 fuel Substances 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000012212 insulator Substances 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 229910052863 mullite Inorganic materials 0.000 description 1
• PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
• 238000011160 research Methods 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 238000005303 weighing Methods 0.000 description 1