JPH0578378B2 - - Google Patents
Info
- Publication number
- JPH0578378B2 JPH0578378B2 JP62009109A JP910987A JPH0578378B2 JP H0578378 B2 JPH0578378 B2 JP H0578378B2 JP 62009109 A JP62009109 A JP 62009109A JP 910987 A JP910987 A JP 910987A JP H0578378 B2 JPH0578378 B2 JP H0578378B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- zirconia
- average particle
- particle size
- weight
- 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.)
- Expired - Lifetime
Links
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 114
- 239000003054 catalyst Substances 0.000 claims description 66
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 37
- 239000002245 particle Substances 0.000 claims description 36
- 239000010948 rhodium Substances 0.000 claims description 28
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 23
- 229910052697 platinum Inorganic materials 0.000 claims description 15
- 238000000746 purification Methods 0.000 claims description 12
- 229910052763 palladium Inorganic materials 0.000 claims description 10
- 229910052703 rhodium Inorganic materials 0.000 claims description 10
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 8
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 claims description 4
- 239000011164 primary particle Substances 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 17
- 229910000510 noble metal Inorganic materials 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- 239000011247 coating layer Substances 0.000 description 12
- 239000000843 powder Substances 0.000 description 11
- 238000011068 loading method Methods 0.000 description 10
- 239000010970 precious metal Substances 0.000 description 10
- 238000004453 electron probe microanalysis Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 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
- 229910052751 metal Inorganic materials 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000006255 coating slurry Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 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 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 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 2
- 238000001035 drying Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001238 wet grinding Methods 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- IXSUHTFXKKBBJP-UHFFFAOYSA-L azanide;platinum(2+);dinitrite Chemical compound [NH2-].[NH2-].[Pt+2].[O-]N=O.[O-]N=O IXSUHTFXKKBBJP-UHFFFAOYSA-L 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium 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
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013078 crystal Substances 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
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide 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
- 239000002923 metal particle Substances 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- YWFDDXXMOPZFFM-UHFFFAOYSA-H rhodium(3+);trisulfate Chemical compound [Rh+3].[Rh+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O YWFDDXXMOPZFFM-UHFFFAOYSA-H 0.000 description 1
- SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 150000003754 zirconium Chemical class 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62009109A JPS63178847A (ja) | 1987-01-20 | 1987-01-20 | 排気ガス浄化用触媒 |
| US07/134,363 US4904633A (en) | 1986-12-18 | 1987-12-17 | Catalyst for purifying exhaust gas and method for production thereof |
| KR1019870014488A KR930000917B1 (ko) | 1986-12-18 | 1987-12-18 | 배기가스 정화용 촉매 및 그의 제조방법 |
| EP87311178A EP0272136B1 (en) | 1986-12-18 | 1987-12-18 | Catalyst for purifying exhaust gas and method for its production |
| EP19930201246 EP0558159A3 (en) | 1986-12-18 | 1987-12-18 | Catalyst for purifying exhaust gas and method for production thereof |
| DE3751403T DE3751403T2 (de) | 1986-12-18 | 1987-12-18 | Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung. |
| AU10648/88A AU604083B2 (en) | 1987-01-20 | 1988-01-19 | Catalyst for purifying exhaust gas and method for production thereof |
| CN88100589A CN1013245B (zh) | 1987-01-20 | 1988-01-20 | 净化废气的催化剂及其生产方法 |
| CN91102032A CN1055302A (zh) | 1987-01-20 | 1988-01-20 | 净化废气的催化剂及其生产方法 |
| KR1019920016764A KR930000918B1 (ko) | 1986-12-18 | 1992-09-15 | 배기가스 정화용 촉매 및 그의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62009109A JPS63178847A (ja) | 1987-01-20 | 1987-01-20 | 排気ガス浄化用触媒 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63178847A JPS63178847A (ja) | 1988-07-22 |
| JPH0578378B2 true JPH0578378B2 (ko) | 1993-10-28 |
Family
ID=11711459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62009109A Granted JPS63178847A (ja) | 1986-12-18 | 1987-01-20 | 排気ガス浄化用触媒 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63178847A (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63185450A (ja) * | 1986-09-05 | 1988-08-01 | Nippon Shokubai Kagaku Kogyo Co Ltd | 排気ガス浄化用触媒 |
| JP2533516B2 (ja) * | 1987-02-13 | 1996-09-11 | マツダ株式会社 | 排気ガス浄化用触媒およびその製造法 |
| JP2680597B2 (ja) * | 1988-03-14 | 1997-11-19 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP3281087B2 (ja) * | 1993-02-10 | 2002-05-13 | 日本碍子株式会社 | 排ガス浄化用触媒 |
| JP3988202B2 (ja) * | 1997-04-11 | 2007-10-10 | 日産自動車株式会社 | 排気ガス浄化用触媒 |
| JP4389159B2 (ja) * | 2004-03-03 | 2009-12-24 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP2009226341A (ja) * | 2008-03-24 | 2009-10-08 | Toyota Central R&D Labs Inc | 自動車排ガス浄化用触媒及びその製造方法 |
| CN102798652B (zh) * | 2012-08-26 | 2014-07-30 | 无锡隆盛科技股份有限公司 | 氮氧化物传感器用铂铑电极浆料及其制备方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63185450A (ja) * | 1986-09-05 | 1988-08-01 | Nippon Shokubai Kagaku Kogyo Co Ltd | 排気ガス浄化用触媒 |
-
1987
- 1987-01-20 JP JP62009109A patent/JPS63178847A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63185450A (ja) * | 1986-09-05 | 1988-08-01 | Nippon Shokubai Kagaku Kogyo Co Ltd | 排気ガス浄化用触媒 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63178847A (ja) | 1988-07-22 |
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