JPH0547263B2 - - Google Patents
Info
- Publication number
- JPH0547263B2 JPH0547263B2 JP61299948A JP29994886A JPH0547263B2 JP H0547263 B2 JPH0547263 B2 JP H0547263B2 JP 61299948 A JP61299948 A JP 61299948A JP 29994886 A JP29994886 A JP 29994886A JP H0547263 B2 JPH0547263 B2 JP H0547263B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- rhodium
- zirconia
- supported
- oxide
- 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 84
- 239000003054 catalyst Substances 0.000 claims description 83
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 34
- 239000010948 rhodium Substances 0.000 claims description 34
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 29
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 26
- 229910052703 rhodium Inorganic materials 0.000 claims description 25
- 239000000843 powder Substances 0.000 claims description 24
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 14
- 229910052763 palladium Inorganic materials 0.000 claims description 13
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 12
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical group [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 12
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 11
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 10
- 229910052697 platinum Inorganic materials 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 239000011164 primary particle Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 description 14
- 239000002002 slurry Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 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 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910000510 noble metal Inorganic materials 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 7
- -1 platinum group metals Chemical class 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
- 229910052878 cordierite Inorganic materials 0.000 description 6
- 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 6
- 238000001035 drying Methods 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000010970 precious metal Substances 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
- 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
- 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
- 230000032683 aging Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000000243 solution Substances 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
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 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
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 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
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 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
- 239000006185 dispersion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-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
- 229910052863 mullite Inorganic materials 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000011160 research 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
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 150000003754 zirconium Chemical class 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61299948A JPS63156545A (ja) | 1986-12-18 | 1986-12-18 | 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 |
| DE3751403T DE3751403T2 (de) | 1986-12-18 | 1987-12-18 | Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung. |
| 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 |
| 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 |
|---|---|---|---|
| JP61299948A JPS63156545A (ja) | 1986-12-18 | 1986-12-18 | 排気ガス浄化用触媒 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63156545A JPS63156545A (ja) | 1988-06-29 |
| JPH0547263B2 true JPH0547263B2 (ko) | 1993-07-16 |
Family
ID=17878888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61299948A Granted JPS63156545A (ja) | 1986-12-18 | 1986-12-18 | 排気ガス浄化用触媒 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156545A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005103410A (ja) * | 2003-09-30 | 2005-04-21 | Tokyo Roki Co Ltd | 排気ガス浄化用触媒 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848970B2 (ja) * | 1990-12-21 | 1999-01-20 | 日本碍子株式会社 | ハニカムヒーター及び触媒コンバーター |
| JP3688871B2 (ja) | 1997-11-20 | 2005-08-31 | ダイハツ工業株式会社 | 排気ガス浄化用触媒 |
| JPH11267503A (ja) * | 1998-03-20 | 1999-10-05 | Toyota Motor Corp | 排ガス浄化用触媒 |
| US6576200B1 (en) | 1998-08-28 | 2003-06-10 | Daihatsu Motor Co., Ltd. | Catalytic converter for automotive pollution control, and oxygen-storing complex oxide used therefor |
| JP2000167402A (ja) | 1998-12-09 | 2000-06-20 | Daihatsu Motor Co Ltd | 排気ガス浄化用触媒 |
| JP4382180B2 (ja) * | 1998-11-06 | 2009-12-09 | 株式会社キャタラー | 排ガス浄化用触媒 |
| US6464946B1 (en) | 1999-05-07 | 2002-10-15 | Daihatsu Motor Co., Ltd. | Catalytic converter for cleaning exhaust gas |
| US6261989B1 (en) | 1999-05-19 | 2001-07-17 | Daihatsu Motor Co., Ltd. | Catalytic converter for cleaning exhaust gas |
| 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 |
| JP2007105632A (ja) * | 2005-10-13 | 2007-04-26 | Nissan Motor Co Ltd | 排ガス浄化触媒 |
| JP4674264B2 (ja) * | 2009-07-31 | 2011-04-20 | 株式会社キャタラー | 排ガス浄化用触媒 |
| JP5827477B2 (ja) * | 2011-03-10 | 2015-12-02 | 株式会社エフ・シー・シー | 触媒の製造方法 |
| EP3188833A4 (en) * | 2014-09-05 | 2018-05-16 | BASF Corporation | Titania-doped zirconia as platinum group metal support in catalysts for treatment of combustion engine exhausts streams |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62282641A (ja) * | 1986-06-02 | 1987-12-08 | Nissan Motor Co Ltd | 排ガス浄化用触媒の製造方法 |
-
1986
- 1986-12-18 JP JP61299948A patent/JPS63156545A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62282641A (ja) * | 1986-06-02 | 1987-12-08 | Nissan Motor Co Ltd | 排ガス浄化用触媒の製造方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005103410A (ja) * | 2003-09-30 | 2005-04-21 | Tokyo Roki Co Ltd | 排気ガス浄化用触媒 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63156545A (ja) | 1988-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |