JPH0512021B2 - - Google Patents

Info

Publication number

JPH0512021B2

JPH0512021B2 JP58121038A JP12103883A JPH0512021B2 JP H0512021 B2 JPH0512021 B2 JP H0512021B2 JP 58121038 A JP58121038 A JP 58121038A JP 12103883 A JP12103883 A JP 12103883A JP H0512021 B2 JPH0512021 B2 JP H0512021B2

Authority

JP

Japan

Prior art keywords

catalyst

carrier layer

combustion

carrier

gas

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 - Lifetime

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• 239000003054 catalyst Substances 0.000 claims description 51
• KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 34
• BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 29
• 238000002485 combustion reaction Methods 0.000 claims description 21
• 229910052763 palladium Inorganic materials 0.000 claims description 16
• 229910052697 platinum Inorganic materials 0.000 claims description 16
• 239000002245 particle Substances 0.000 claims description 6
• 239000011248 coating agent Substances 0.000 claims description 4
• 238000000576 coating method Methods 0.000 claims description 4
• VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 30
• 239000007789 gas Substances 0.000 description 21
• PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 13
• 239000002002 slurry Substances 0.000 description 11
• 230000000694 effects Effects 0.000 description 9
• 239000000203 mixture Substances 0.000 description 9
• 238000006243 chemical reaction Methods 0.000 description 7
• 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 6
• 229910000510 noble metal Inorganic materials 0.000 description 6
• 238000000034 method Methods 0.000 description 5
• MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
• 239000000446 fuel Substances 0.000 description 4
• 239000000843 powder Substances 0.000 description 4
• 150000003839 salts Chemical class 0.000 description 4
• 239000002253 acid Substances 0.000 description 3
• 238000010586 diagram Methods 0.000 description 3
• 239000000463 material Substances 0.000 description 3
• MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
• PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 3
• 101150003085 Pdcl gene Proteins 0.000 description 2
• GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
• 238000007084 catalytic combustion reaction Methods 0.000 description 2
• 239000000919 ceramic Substances 0.000 description 2
• 238000009841 combustion method Methods 0.000 description 2
• 229910052878 cordierite Inorganic materials 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
• 238000001035 drying Methods 0.000 description 2
• 238000003912 environmental pollution Methods 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• 229910001252 Pd alloy Inorganic materials 0.000 description 1
• 229910001260 Pt alloy Inorganic materials 0.000 description 1
• 229910045601 alloy Inorganic materials 0.000 description 1
• 239000000956 alloy Substances 0.000 description 1
• 238000005275 alloying Methods 0.000 description 1
• 239000000969 carrier Substances 0.000 description 1
• 230000003197 catalytic effect Effects 0.000 description 1
• 239000000567 combustion gas Substances 0.000 description 1
• 230000008094 contradictory effect 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
• 238000007598 dipping method Methods 0.000 description 1
• 238000011049 filling Methods 0.000 description 1
• 238000010304 firing Methods 0.000 description 1
• 239000002737 fuel gas Substances 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 229910052751 metal Inorganic materials 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 239000002923 metal particle Substances 0.000 description 1
• 229910052863 mullite Inorganic materials 0.000 description 1
• 239000003345 natural gas Substances 0.000 description 1
• 230000001590 oxidative effect Effects 0.000 description 1
• 239000008188 pellet Substances 0.000 description 1
• 239000003208 petroleum Substances 0.000 description 1
• CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
• 239000010970 precious metal Substances 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 229910052761 rare earth metal Inorganic materials 0.000 description 1
• 229910052596 spinel Inorganic materials 0.000 description 1
• 239000011029 spinel Substances 0.000 description 1
• QFJIELFEXWAVLU-UHFFFAOYSA-H tetrachloroplatinum(2+) dichloride Chemical compound Cl[Pt](Cl)(Cl)(Cl)(Cl)Cl QFJIELFEXWAVLU-UHFFFAOYSA-H 0.000 description 1