JPH0472577B2 - - Google Patents

Info

Publication number

JPH0472577B2

JPH0472577B2 JP59201341A JP20134184A JPH0472577B2 JP H0472577 B2 JPH0472577 B2 JP H0472577B2 JP 59201341 A JP59201341 A JP 59201341A JP 20134184 A JP20134184 A JP 20134184A JP H0472577 B2 JPH0472577 B2 JP H0472577B2

Authority

JP

Japan

Prior art keywords

catalyst

aqueous solution

carrier

alumina

supported

Prior art date

1984-09-26

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 143
• BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 48
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 35
• 239000007789 gas Substances 0.000 claims description 31
• KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 26
• 229910052751 metal Inorganic materials 0.000 claims description 24
• 239000002184 metal Substances 0.000 claims description 24
• 229910052697 platinum Inorganic materials 0.000 claims description 24
• 229910052703 rhodium Inorganic materials 0.000 claims description 21
• 239000010948 rhodium Substances 0.000 claims description 21
• MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 21
• GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 19
• 229910052684 Cerium Inorganic materials 0.000 claims description 17
• MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 15
• PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
• 238000000746 purification Methods 0.000 claims description 14
• 239000000463 material Substances 0.000 claims description 13
• 229910052763 palladium Inorganic materials 0.000 claims description 13
• VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 8
• QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 7
• 229910052759 nickel Inorganic materials 0.000 claims description 7
• 229910052726 zirconium Inorganic materials 0.000 claims description 7
• UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
• 229910002091 carbon monoxide Inorganic materials 0.000 claims description 6
• 229910052727 yttrium Inorganic materials 0.000 claims description 6
• 229910052779 Neodymium Inorganic materials 0.000 claims description 5
• 229910052777 Praseodymium Inorganic materials 0.000 claims description 5
• 229910017052 cobalt Inorganic materials 0.000 claims description 5
• 239000010941 cobalt Substances 0.000 claims description 5
• GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-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
• 239000011248 coating agent Substances 0.000 claims description 4
• 238000000576 coating method Methods 0.000 claims description 4
• 229930195733 hydrocarbon Natural products 0.000 claims description 4
• 150000002430 hydrocarbons Chemical class 0.000 claims description 4
• 239000007864 aqueous solution Substances 0.000 description 51
• 230000000052 comparative effect Effects 0.000 description 28
• 230000006866 deterioration Effects 0.000 description 24
• 238000000034 method Methods 0.000 description 22
• 239000000243 solution Substances 0.000 description 22
• 150000002739 metals Chemical class 0.000 description 16
• 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 14
• NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 description 13
• 239000000654 additive Substances 0.000 description 13
• 239000010410 layer Substances 0.000 description 13
• SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 9
• 229910052878 cordierite Inorganic materials 0.000 description 5
• 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 5
• 230000000694 effects Effects 0.000 description 5
• 239000002002 slurry Substances 0.000 description 5
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
• 230000003197 catalytic effect Effects 0.000 description 4
• 238000010304 firing Methods 0.000 description 4
• PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 4
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
• 239000011247 coating layer Substances 0.000 description 3
• 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 3
• 238000005470 impregnation Methods 0.000 description 3
• 150000002484 inorganic compounds Chemical class 0.000 description 3
• 229910010272 inorganic material Inorganic materials 0.000 description 3
• 229910052863 mullite Inorganic materials 0.000 description 3
• KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 3
• UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 3
• 230000000996 additive effect Effects 0.000 description 2
• 238000007664 blowing Methods 0.000 description 2
• UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 2
• 229910001981 cobalt nitrate Inorganic materials 0.000 description 2
• 238000011156 evaluation Methods 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
• 229910052746 lanthanum Inorganic materials 0.000 description 2
• FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
• CFYGEIAZMVFFDE-UHFFFAOYSA-N neodymium(3+);trinitrate Chemical compound [Nd+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O CFYGEIAZMVFFDE-UHFFFAOYSA-N 0.000 description 2
• YWECOPREQNXXBZ-UHFFFAOYSA-N praseodymium(3+);trinitrate Chemical compound [Pr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YWECOPREQNXXBZ-UHFFFAOYSA-N 0.000 description 2
• 239000000126 substance Substances 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
• QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
• BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
• 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
• 150000001805 chlorine compounds Chemical class 0.000 description 1
• 238000002485 combustion reaction Methods 0.000 description 1
• 238000007598 dipping method Methods 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 description 1
• 229910001960 metal nitrate Inorganic materials 0.000 description 1
• 239000011259 mixed solution Substances 0.000 description 1
• 229910000510 noble metal Inorganic materials 0.000 description 1
• 239000002245 particle Substances 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 230000001737 promoting effect Effects 0.000 description 1
• 238000005245 sintering Methods 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 238000011144 upstream manufacturing Methods 0.000 description 1